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Cumulative Success Rate of Short and Ultrashort Implants Supporting Single Crowns in the Posterior Maxilla: A 3-Year Retrospective Study

Identifieur interne : 007115 ( Ncbi/Merge ); précédent : 007114; suivant : 007116

Cumulative Success Rate of Short and Ultrashort Implants Supporting Single Crowns in the Posterior Maxilla: A 3-Year Retrospective Study

Auteurs : Giorgio Lombardo [Italie] ; Jacopo Pighi [Italie] ; Mauro Marincola [Colombie] ; Giovanni Corrocher [Italie] ; Miguel Simancas-Pallares [Colombie] ; Pier Francesco Nocini [Italie]

Source :

RBID : PMC:5511658

Abstract

Aim

To determine cumulative success rate (CSR) of short and ultrashort implants in the posterior maxilla restored with single crowns.

Patients and Methods

We performed a retrospective study in 65 patients with 139 implants. 46 were ultrashort and 93 short. Implants were placed with a staged approach and restored with single crowns. Success rate, clinical and radiographic outcomes, and crown-to-implant ratio (CIR) were assessed after three years. Statistical analysis was performed by descriptive and inferential statistics. A log-binomial regression model where the main outcome was implant success was achieved. Coefficients and 95% confidence intervals were reported. Analyses were performed with Stata 13.2 for Windows.

Results

61.54% of patients were female and mean overall age was 51.9 ± 11.08 years old. Overall CSR was 97.1% (95% CI: 92.4–98.9): 97.9 and 95.1% for short and ultrashort, respectively (P value: 0.33). Four implants failed. Covariates were not associated with CSR (P value > 0.05). Regression model showed coefficients correlated with implant success for ultrashort implants (0.87) and most of covariates but none were statistically significant (P values > 0.05).

Conclusions

Our results suggest that short and ultrashort implants may be successfully placed and restored with single crowns in the resorbed maxillary molar region.


Url:
DOI: 10.1155/2017/8434281
PubMed: 28751913
PubMed Central: 5511658

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PMC:5511658

Le document en format XML

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<title>Aim</title>
<p> To determine cumulative success rate (CSR) of short and ultrashort implants in the posterior maxilla restored with single crowns.</p>
</sec>
<sec>
<title> Patients and Methods</title>
<p> We performed a retrospective study in 65 patients with 139 implants. 46 were ultrashort and 93 short. Implants were placed with a staged approach and restored with single crowns. Success rate, clinical and radiographic outcomes, and crown-to-implant ratio (CIR) were assessed after three years. Statistical analysis was performed by descriptive and inferential statistics. A log-binomial regression model where the main outcome was implant success was achieved. Coefficients and 95% confidence intervals were reported. Analyses were performed with Stata 13.2 for Windows.</p>
</sec>
<sec>
<title> Results</title>
<p> 61.54% of patients were female and mean overall age was 51.9 ± 11.08 years old. Overall CSR was 97.1% (95% CI: 92.4–98.9): 97.9 and 95.1% for short and ultrashort, respectively (
<italic>P</italic>
value: 0.33). Four implants failed. Covariates were not associated with CSR (
<italic>P</italic>
value > 0.05). Regression model showed coefficients correlated with implant success for ultrashort implants (0.87) and most of covariates but none were statistically significant (
<italic>P</italic>
values > 0.05).</p>
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<sec>
<title> Conclusions</title>
<p> Our results suggest that short and ultrashort implants may be successfully placed and restored with single crowns in the resorbed maxillary molar region.</p>
</sec>
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</TEI>
<pmc article-type="research-article">
<pmc-dir>properties open_access</pmc-dir>
<front>
<journal-meta>
<journal-id journal-id-type="nlm-ta">Int J Dent</journal-id>
<journal-id journal-id-type="iso-abbrev">Int J Dent</journal-id>
<journal-id journal-id-type="publisher-id">IJD</journal-id>
<journal-title-group>
<journal-title>International Journal of Dentistry</journal-title>
</journal-title-group>
<issn pub-type="ppub">1687-8728</issn>
<issn pub-type="epub">1687-8736</issn>
<publisher>
<publisher-name>Hindawi</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="pmid">28751913</article-id>
<article-id pub-id-type="pmc">5511658</article-id>
<article-id pub-id-type="doi">10.1155/2017/8434281</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Clinical Study</subject>
</subj-group>
</article-categories>
<title-group>
<article-title>Cumulative Success Rate of Short and Ultrashort Implants Supporting Single Crowns in the Posterior Maxilla: A 3-Year Retrospective Study</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Lombardo</surname>
<given-names>Giorgio</given-names>
</name>
<xref ref-type="aff" rid="I1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Pighi</surname>
<given-names>Jacopo</given-names>
</name>
<xref ref-type="aff" rid="I1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Marincola</surname>
<given-names>Mauro</given-names>
</name>
<xref ref-type="aff" rid="I2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0002-2068-0053</contrib-id>
<name>
<surname>Corrocher</surname>
<given-names>Giovanni</given-names>
</name>
<xref ref-type="aff" rid="I1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0003-2292-416X</contrib-id>
<name>
<surname>Simancas-Pallares</surname>
<given-names>Miguel</given-names>
</name>
<xref ref-type="aff" rid="I2">
<sup>2</sup>
</xref>
<xref ref-type="aff" rid="I3">
<sup>3</sup>
</xref>
<xref ref-type="corresp" rid="cor1">
<sup>*</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Nocini</surname>
<given-names>Pier Francesco</given-names>
</name>
<xref ref-type="aff" rid="I1">
<sup>1</sup>
</xref>
</contrib>
</contrib-group>
<aff id="I1">
<sup>1</sup>
School of Dentistry, Department of Surgery, Dentistry, Paediatrics and Gynaecology (DIPSCOMI), University of Verona, Verona, Italy</aff>
<aff id="I2">
<sup>2</sup>
Dental Implant Unit, University of Cartagena, Cartagena, Colombia</aff>
<aff id="I3">
<sup>3</sup>
Research Department, Faculty of Dentistry, University of Cartagena, Cartagena, Colombia</aff>
<author-notes>
<corresp id="cor1">*Miguel Simancas-Pallares:
<email>msimancasp@unicartagena.edu.co</email>
</corresp>
<fn fn-type="other">
<p>Academic Editor: Luigi Canullo</p>
</fn>
</author-notes>
<pub-date pub-type="ppub">
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>2</day>
<month>7</month>
<year>2017</year>
</pub-date>
<volume>2017</volume>
<elocation-id>8434281</elocation-id>
<history>
<date date-type="received">
<day>17</day>
<month>4</month>
<year>2017</year>
</date>
<date date-type="accepted">
<day>23</day>
<month>5</month>
<year>2017</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright © 2017 Giorgio Lombardo et al.</copyright-statement>
<copyright-year>2017</copyright-year>
<license xlink:href="https://creativecommons.org/licenses/by/4.0/">
<license-p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
</license>
</permissions>
<abstract>
<sec>
<title>Aim</title>
<p> To determine cumulative success rate (CSR) of short and ultrashort implants in the posterior maxilla restored with single crowns.</p>
</sec>
<sec>
<title> Patients and Methods</title>
<p> We performed a retrospective study in 65 patients with 139 implants. 46 were ultrashort and 93 short. Implants were placed with a staged approach and restored with single crowns. Success rate, clinical and radiographic outcomes, and crown-to-implant ratio (CIR) were assessed after three years. Statistical analysis was performed by descriptive and inferential statistics. A log-binomial regression model where the main outcome was implant success was achieved. Coefficients and 95% confidence intervals were reported. Analyses were performed with Stata 13.2 for Windows.</p>
</sec>
<sec>
<title> Results</title>
<p> 61.54% of patients were female and mean overall age was 51.9 ± 11.08 years old. Overall CSR was 97.1% (95% CI: 92.4–98.9): 97.9 and 95.1% for short and ultrashort, respectively (
<italic>P</italic>
value: 0.33). Four implants failed. Covariates were not associated with CSR (
<italic>P</italic>
value > 0.05). Regression model showed coefficients correlated with implant success for ultrashort implants (0.87) and most of covariates but none were statistically significant (
<italic>P</italic>
values > 0.05).</p>
</sec>
<sec>
<title> Conclusions</title>
<p> Our results suggest that short and ultrashort implants may be successfully placed and restored with single crowns in the resorbed maxillary molar region.</p>
</sec>
</abstract>
<funding-group>
<award-group>
<funding-source>University of Verona</funding-source>
</award-group>
</funding-group>
</article-meta>
</front>
<floats-group>
<fig id="fig1" orientation="portrait" position="float">
<label>Figure 1</label>
<caption>
<p>Schematic drawing of the Bicon dental implant system and its macrogeometric features. 1 represents the short root-plateau form implant body; 2 represents the abutment; 3 represents the 1.5° internal connection (locking-taper); 4 indicates the convergent crest module (sloping shoulder); and 5 represents the implant
<italic> plateaus</italic>
.</p>
</caption>
<graphic xlink:href="IJD2017-8434281.001"></graphic>
</fig>
<fig id="fig2" orientation="portrait" position="float">
<label>Figure 2</label>
<caption>
<p>(a) Immediate postoperative radiography of premolar implants placed at the upper posterior maxilla (premolars); internal sinus lift cases were not included in this study. (b) Immediate X-ray obtained at crown insertion. (c) X-ray obtained at three-year follow-up showing the implant-restoration success.</p>
</caption>
<graphic xlink:href="IJD2017-8434281.002"></graphic>
</fig>
<table-wrap id="tab1" orientation="portrait" position="float">
<label>Table 1</label>
<caption>
<p>Overall placed implants according to studied covariates. Also distribution of placed implants according to implant length is presented in this table.</p>
</caption>
<table frame="hsides" rules="groups">
<thead>
<tr>
<th rowspan="2" align="left" colspan="1">Variable</th>
<th colspan="2" align="center" rowspan="1">Overall</th>
<th colspan="2" align="center" rowspan="1">Short</th>
<th colspan="2" align="center" rowspan="1">Ultrashort</th>
<th rowspan="2" align="center" colspan="1">
<italic>P</italic>
value</th>
</tr>
<tr>
<th align="center" rowspan="1" colspan="1">
<italic>n</italic>
</th>
<th align="center" rowspan="1" colspan="1">%</th>
<th align="center" rowspan="1" colspan="1">
<italic>n</italic>
</th>
<th align="center" rowspan="1" colspan="1">%</th>
<th align="center" rowspan="1" colspan="1">
<italic>n</italic>
</th>
<th align="center" rowspan="1" colspan="1">%</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Sex</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Female</td>
<td align="center" rowspan="1" colspan="1">40</td>
<td align="center" rowspan="1" colspan="1">61.54</td>
<td align="center" rowspan="1" colspan="1">26</td>
<td align="center" rowspan="1" colspan="1">65.00</td>
<td align="center" rowspan="1" colspan="1">14</td>
<td align="center" rowspan="1" colspan="1">56.00</td>
<td rowspan="2" align="center" colspan="1">0.46</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Male</td>
<td align="center" rowspan="1" colspan="1">25</td>
<td align="center" rowspan="1" colspan="1">38.46</td>
<td align="center" rowspan="1" colspan="1">14</td>
<td align="center" rowspan="1" colspan="1">35.00</td>
<td align="center" rowspan="1" colspan="1">11</td>
<td align="center" rowspan="1" colspan="1">44.00</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Age</italic>
</td>
<td colspan="2" align="center" rowspan="1">51.90 ± 11.08</td>
<td colspan="2" align="center" rowspan="1">51.07 ± 10.38</td>
<td colspan="2" align="center" rowspan="1">53.24 ± 12.22</td>
<td align="center" rowspan="1" colspan="1">0.44</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Smoking history</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Yes</td>
<td align="center" rowspan="1" colspan="1">16</td>
<td align="center" rowspan="1" colspan="1">24.62</td>
<td align="center" rowspan="1" colspan="1">7</td>
<td align="center" rowspan="1" colspan="1">17.50</td>
<td align="center" rowspan="1" colspan="1">9</td>
<td align="center" rowspan="1" colspan="1">36.00</td>
<td rowspan="2" align="center" colspan="1">0.09</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">No</td>
<td align="center" rowspan="1" colspan="1">49</td>
<td align="center" rowspan="1" colspan="1">75.38</td>
<td align="center" rowspan="1" colspan="1">33</td>
<td align="center" rowspan="1" colspan="1">82.50</td>
<td align="center" rowspan="1" colspan="1">16</td>
<td align="center" rowspan="1" colspan="1">64.00</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>ASA status</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">I</td>
<td align="center" rowspan="1" colspan="1">31</td>
<td align="center" rowspan="1" colspan="1">47.69</td>
<td align="center" rowspan="1" colspan="1">21</td>
<td align="center" rowspan="1" colspan="1">52.50</td>
<td align="center" rowspan="1" colspan="1">10</td>
<td align="center" rowspan="1" colspan="1">40.00</td>
<td rowspan="2" align="center" colspan="1">0.32</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">II</td>
<td align="center" rowspan="1" colspan="1">34</td>
<td align="center" rowspan="1" colspan="1">52.31</td>
<td align="center" rowspan="1" colspan="1">19</td>
<td align="center" rowspan="1" colspan="1">47.50</td>
<td align="center" rowspan="1" colspan="1">15</td>
<td align="center" rowspan="1" colspan="1">60.00</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>NSAIDs consumption</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Yes</td>
<td align="center" rowspan="1" colspan="1">5</td>
<td align="center" rowspan="1" colspan="1">7.69</td>
<td align="center" rowspan="1" colspan="1">2</td>
<td align="center" rowspan="1" colspan="1">5.00</td>
<td align="center" rowspan="1" colspan="1">3</td>
<td align="center" rowspan="1" colspan="1">12.00</td>
<td rowspan="2" align="center" colspan="1">0.36</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">No</td>
<td align="center" rowspan="1" colspan="1">60</td>
<td align="center" rowspan="1" colspan="1">92.31</td>
<td align="center" rowspan="1" colspan="1">38</td>
<td align="center" rowspan="1" colspan="1">95.00</td>
<td align="center" rowspan="1" colspan="1">22</td>
<td align="center" rowspan="1" colspan="1">88.00</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>History of periodontal disease</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Yes</td>
<td align="center" rowspan="1" colspan="1">38</td>
<td align="center" rowspan="1" colspan="1">58.46</td>
<td align="center" rowspan="1" colspan="1">19</td>
<td align="center" rowspan="1" colspan="1">47.50</td>
<td align="center" rowspan="1" colspan="1">19</td>
<td align="center" rowspan="1" colspan="1">76.00</td>
<td rowspan="2" align="center" colspan="1">0.02
<sup>
<italic></italic>
</sup>
</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">No</td>
<td align="center" rowspan="1" colspan="1">27</td>
<td align="center" rowspan="1" colspan="1">41.54</td>
<td align="center" rowspan="1" colspan="1">21</td>
<td align="center" rowspan="1" colspan="1">52.50</td>
<td align="center" rowspan="1" colspan="1">6</td>
<td align="center" rowspan="1" colspan="1">24.00</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Implanted tooth type</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Premolar</td>
<td align="center" rowspan="1" colspan="1">67</td>
<td align="center" rowspan="1" colspan="1">(48.20)</td>
<td align="center" rowspan="1" colspan="1">56</td>
<td align="center" rowspan="1" colspan="1">(57.14)</td>
<td align="center" rowspan="1" colspan="1">11</td>
<td align="center" rowspan="1" colspan="1">(26.83)</td>
<td rowspan="2" align="center" colspan="1">0.00
<sup>
<italic></italic>
</sup>
</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Molar</td>
<td align="center" rowspan="1" colspan="1">72</td>
<td align="center" rowspan="1" colspan="1">(51.80)</td>
<td align="center" rowspan="1" colspan="1">42</td>
<td align="center" rowspan="1" colspan="1">(42.86)</td>
<td align="center" rowspan="1" colspan="1">30</td>
<td align="center" rowspan="1" colspan="1">(73.17)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Implant surface</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Integra-CP</td>
<td align="center" rowspan="1" colspan="1">117</td>
<td align="center" rowspan="1" colspan="1">87.31</td>
<td align="center" rowspan="1" colspan="1">80</td>
<td align="center" rowspan="1" colspan="1">84.21</td>
<td align="center" rowspan="1" colspan="1">37</td>
<td align="center" rowspan="1" colspan="1">94.87</td>
<td rowspan="3" align="center" colspan="1">0.29</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">HA-coated</td>
<td align="center" rowspan="1" colspan="1">12</td>
<td align="center" rowspan="1" colspan="1">8.96</td>
<td align="center" rowspan="1" colspan="1">10</td>
<td align="center" rowspan="1" colspan="1">10.53</td>
<td align="center" rowspan="1" colspan="1">2</td>
<td align="center" rowspan="1" colspan="1">8.96</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Integra-Ti</td>
<td align="center" rowspan="1" colspan="1">5</td>
<td align="center" rowspan="1" colspan="1">3.73</td>
<td align="center" rowspan="1" colspan="1">5</td>
<td align="center" rowspan="1" colspan="1">5.26</td>
<td align="center" rowspan="1" colspan="1">0</td>
<td align="center" rowspan="1" colspan="1">3.73</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Restorative material</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Ceromer</td>
<td align="center" rowspan="1" colspan="1">33</td>
<td align="center" rowspan="1" colspan="1">(23.74)</td>
<td align="center" rowspan="1" colspan="1">18</td>
<td align="center" rowspan="1" colspan="1">(18.37)</td>
<td align="center" rowspan="1" colspan="1">15</td>
<td align="center" rowspan="1" colspan="1">(36.59)</td>
<td rowspan="2" align="center" colspan="1">0.02
<sup>
<italic></italic>
</sup>
</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Porcelain</td>
<td align="center" rowspan="1" colspan="1">106</td>
<td align="center" rowspan="1" colspan="1">(76.26)</td>
<td align="center" rowspan="1" colspan="1">80</td>
<td align="center" rowspan="1" colspan="1">(81.63)</td>
<td align="center" rowspan="1" colspan="1">26</td>
<td align="center" rowspan="1" colspan="1">(63.41)</td>
</tr>
</tbody>
</table>
<table-wrap-foot>
<fn>
<p>
<sup>
<italic></italic>
</sup>
Statistically significant differences between groups. Age is presented as mean ± standard deviation.</p>
</fn>
</table-wrap-foot>
</table-wrap>
<table-wrap id="tab2" orientation="portrait" position="float">
<label>Table 2</label>
<caption>
<p>Bivariate analysis of the success rate according to study included covariates.</p>
</caption>
<table frame="hsides" rules="groups">
<thead>
<tr>
<th rowspan="3" align="left" colspan="1">Variable</th>
<th colspan="2" align="center" rowspan="1">Overall</th>
<th rowspan="3" align="center" colspan="1">
<italic>P</italic>
value</th>
</tr>
<tr>
<th align="center" rowspan="1" colspan="1">Success</th>
<th align="center" rowspan="1" colspan="1">Failure</th>
</tr>
<tr>
<th align="center" rowspan="1" colspan="1">
<italic>n</italic>
(%)</th>
<th align="center" rowspan="1" colspan="1">
<italic>n</italic>
(%)</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Implant length</italic>
</td>
<td align="center" rowspan="1" colspan="1">
<bold></bold>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Short</td>
<td align="center" rowspan="1" colspan="1">96 (97.96)</td>
<td align="center" rowspan="1" colspan="1">2 (2.04)</td>
<td rowspan="2" align="center" colspan="1">0.33</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Ultrashort</td>
<td align="center" rowspan="1" colspan="1">39 (95.12)</td>
<td align="center" rowspan="1" colspan="1">2 (4.88)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Implanted tooth type</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Premolar</td>
<td align="center" rowspan="1" colspan="1">65 (97.01)</td>
<td align="center" rowspan="1" colspan="1">2 (2.99)</td>
<td rowspan="2" align="center" colspan="1">1.00</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Molar</td>
<td align="center" rowspan="1" colspan="1">70 (97.22)</td>
<td align="center" rowspan="1" colspan="1">2 (2.78)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Implant surface</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Integra-CP</td>
<td align="center" rowspan="1" colspan="1">113 (96.58)</td>
<td align="center" rowspan="1" colspan="1">4 (3.42)</td>
<td rowspan="3" align="center" colspan="1">1.00</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Hydroxyapatite (HA) coating</td>
<td align="center" rowspan="1" colspan="1">12 (100)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Integra-Ti</td>
<td align="center" rowspan="1" colspan="1">5 (100)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Restorative material</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Ceromer</td>
<td align="center" rowspan="1" colspan="1">31 (93.94)</td>
<td align="center" rowspan="1" colspan="1">2 (6.06)</td>
<td rowspan="2" align="center" colspan="1">0.23</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Ceramic</td>
<td align="center" rowspan="1" colspan="1">104 (98.11)</td>
<td align="center" rowspan="1" colspan="1">2 (1.89)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Crown-to-implant ratio</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1"><2 Units</td>
<td align="center" rowspan="1" colspan="1">71 (98.61)</td>
<td align="center" rowspan="1" colspan="1">1 (1.39)</td>
<td rowspan="2" align="center" colspan="1">0.60</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">>2 Units</td>
<td align="center" rowspan="1" colspan="1">63 (96.92)</td>
<td align="center" rowspan="1" colspan="1">2 (3.08)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Periodontal status before implantation</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Periodontally compromised</td>
<td align="center" rowspan="1" colspan="1">36 (94.74)</td>
<td align="center" rowspan="1" colspan="1">2 (5.26)</td>
<td rowspan="2" align="center" colspan="1">1.00</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Nonperiodontally compromised</td>
<td align="center" rowspan="1" colspan="1">25 (92.59)</td>
<td align="center" rowspan="1" colspan="1">2 (7.41)</td>
</tr>
</tbody>
</table>
</table-wrap>
<table-wrap id="tab3" orientation="portrait" position="float">
<label>Table 3</label>
<caption>
<p>Descriptive analysis of the success rate according to study groups.</p>
</caption>
<table frame="hsides" rules="groups">
<thead>
<tr>
<th rowspan="3" align="left" colspan="1">Variable</th>
<th colspan="2" align="center" rowspan="1">Short</th>
<th colspan="2" align="center" rowspan="1">Ultrashort</th>
</tr>
<tr>
<th align="center" rowspan="1" colspan="1">Success</th>
<th align="center" rowspan="1" colspan="1">Failure</th>
<th align="center" rowspan="1" colspan="1">Success</th>
<th align="center" rowspan="1" colspan="1">Failure</th>
</tr>
<tr>
<th align="center" rowspan="1" colspan="1">
<italic>n</italic>
(%)</th>
<th align="center" rowspan="1" colspan="1">
<italic>n</italic>
(%)</th>
<th align="center" rowspan="1" colspan="1">
<italic>n</italic>
(%)</th>
<th align="center" rowspan="1" colspan="1">
<italic>n</italic>
(%)</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Implanted tooth type</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Premolar</td>
<td align="center" rowspan="1" colspan="1">55 (57.29)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
<td align="center" rowspan="1" colspan="1">10 (25.64)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Molar</td>
<td align="center" rowspan="1" colspan="1">41 (42.70)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
<td align="center" rowspan="1" colspan="1">29 (74.35)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Implant surface</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Integra-CP</td>
<td align="center" rowspan="1" colspan="1">78 (83.87)</td>
<td align="center" rowspan="1" colspan="1">2 (100)</td>
<td align="center" rowspan="1" colspan="1">35 (94.59)</td>
<td align="center" rowspan="1" colspan="1">2 (100)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">HA-coated</td>
<td align="center" rowspan="1" colspan="1">10 (10.75)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
<td align="center" rowspan="1" colspan="1">2 (5.40)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Integra-Ti</td>
<td align="center" rowspan="1" colspan="1">5 (5.37)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Restorative material</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Ceromer</td>
<td align="center" rowspan="1" colspan="1">18 (18.75)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
<td align="center" rowspan="1" colspan="1">13 (33.33)</td>
<td align="center" rowspan="1" colspan="1">2 (100)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Ceramic</td>
<td align="center" rowspan="1" colspan="1">78 (81.25)</td>
<td align="center" rowspan="1" colspan="1">2 (100)</td>
<td align="center" rowspan="1" colspan="1">26 (66.66)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Crown-to-implant ratio</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1"><2 Units</td>
<td align="center" rowspan="1" colspan="1">66 (69.47)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
<td align="center" rowspan="1" colspan="1">5 (12.82)</td>
<td align="center" rowspan="1" colspan="1">0 (0.00)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">>2 Units</td>
<td align="center" rowspan="1" colspan="1">29 (30.52)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
<td align="center" rowspan="1" colspan="1">34 (87.17)</td>
<td align="center" rowspan="1" colspan="1">1 (100)</td>
</tr>
<tr>
<td colspan="2" align="left" rowspan="1">
<italic>Periodontal status before implantation</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Periodontally compromised</td>
<td align="center" rowspan="1" colspan="1">20 (52.63)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
<td align="center" rowspan="1" colspan="1">5 (21.73)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Nonperiodontally compromised</td>
<td align="center" rowspan="1" colspan="1">18 (47.36)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
<td align="center" rowspan="1" colspan="1">18 (78.26)</td>
<td align="center" rowspan="1" colspan="1">1 (50.00)</td>
</tr>
</tbody>
</table>
</table-wrap>
<table-wrap id="tab4" orientation="portrait" position="float">
<label>Table 4</label>
<caption>
<p>Standardized coefficients derived from log-binomial regression and 95% confidence intervals for factors associated with success rate.</p>
</caption>
<table frame="hsides" rules="groups">
<thead>
<tr>
<th rowspan="2" align="left" colspan="1">Variable</th>
<th colspan="2" align="center" rowspan="1">Estimates</th>
<th rowspan="2" align="center" colspan="1">
<italic>P</italic>
value</th>
</tr>
<tr>
<th align="center" rowspan="1" colspan="1">Coefficients</th>
<th align="center" rowspan="1" colspan="1">95% CI</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Implant length</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Ultrashort</td>
<td align="center" rowspan="1" colspan="1">0.87</td>
<td align="center" rowspan="1" colspan="1">1.05–2.79</td>
<td align="center" rowspan="1" colspan="1">0.37</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Sex</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Male</td>
<td align="center" rowspan="1" colspan="1">0.47</td>
<td align="center" rowspan="1" colspan="1">−1.42–2.36</td>
<td align="center" rowspan="1" colspan="1">0.62</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>ASA status</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">I</td>
<td align="center" rowspan="1" colspan="1">0.09</td>
<td align="center" rowspan="1" colspan="1">−1.80–1.99</td>
<td align="center" rowspan="1" colspan="1">0.92</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>NSAIDs consumption</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Yes</td>
<td align="center" rowspan="1" colspan="1">1.38</td>
<td align="center" rowspan="1" colspan="1">−0.68–3.45</td>
<td align="center" rowspan="1" colspan="1">0.19</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Implant surface</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Integra-CP</td>
<td align="center" rowspan="1" colspan="1">14.85</td>
<td align="center" rowspan="1" colspan="1">−4318.28–4348.00</td>
<td rowspan="3" align="center" colspan="1">0.99</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">HA-coated</td>
<td align="center" rowspan="1" colspan="1">−14.19</td>
<td align="center" rowspan="1" colspan="1">−3787.47–3759.08</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Integra-Ti</td>
<td align="center" rowspan="1" colspan="1">−13.88</td>
<td align="center" rowspan="1" colspan="1">−5171.07–5143.29</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Restorative material</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">IACs (ceromer)</td>
<td align="center" rowspan="1" colspan="1">1.16</td>
<td align="center" rowspan="1" colspan="1">−0.75–3.08</td>
<td align="center" rowspan="1" colspan="1">0.23</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Crown-to-implant ratio</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">>2 units</td>
<td align="center" rowspan="1" colspan="1">0.79</td>
<td align="center" rowspan="1" colspan="1">−1.58–3.17</td>
<td align="center" rowspan="1" colspan="1">0.51</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">
<italic>Periodontal status before implantation</italic>
</td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
<td align="center" rowspan="1" colspan="1"></td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Periodontally compromised</td>
<td align="center" rowspan="1" colspan="1">−0.34</td>
<td align="center" rowspan="1" colspan="1">−2.23–1.55</td>
<td align="center" rowspan="1" colspan="1">0.72</td>
</tr>
</tbody>
</table>
</table-wrap>
</floats-group>
</pmc>
<affiliations>
<list>
<country>
<li>Colombie</li>
<li>Italie</li>
</country>
</list>
<tree>
<country name="Italie">
<noRegion>
<name sortKey="Lombardo, Giorgio" sort="Lombardo, Giorgio" uniqKey="Lombardo G" first="Giorgio" last="Lombardo">Giorgio Lombardo</name>
</noRegion>
<name sortKey="Corrocher, Giovanni" sort="Corrocher, Giovanni" uniqKey="Corrocher G" first="Giovanni" last="Corrocher">Giovanni Corrocher</name>
<name sortKey="Nocini, Pier Francesco" sort="Nocini, Pier Francesco" uniqKey="Nocini P" first="Pier Francesco" last="Nocini">Pier Francesco Nocini</name>
<name sortKey="Pighi, Jacopo" sort="Pighi, Jacopo" uniqKey="Pighi J" first="Jacopo" last="Pighi">Jacopo Pighi</name>
</country>
<country name="Colombie">
<noRegion>
<name sortKey="Marincola, Mauro" sort="Marincola, Mauro" uniqKey="Marincola M" first="Mauro" last="Marincola">Mauro Marincola</name>
</noRegion>
<name sortKey="Simancas Pallares, Miguel" sort="Simancas Pallares, Miguel" uniqKey="Simancas Pallares M" first="Miguel" last="Simancas-Pallares">Miguel Simancas-Pallares</name>
<name sortKey="Simancas Pallares, Miguel" sort="Simancas Pallares, Miguel" uniqKey="Simancas Pallares M" first="Miguel" last="Simancas-Pallares">Miguel Simancas-Pallares</name>
</country>
</tree>
</affiliations>
</record>

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