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Tilted Implants for Full-Arch Rehabilitations in Completely Edentulous Maxilla: A Retrospective Study

Identifieur interne : 004258 ( Ncbi/Merge ); précédent : 004257; suivant : 004259

Tilted Implants for Full-Arch Rehabilitations in Completely Edentulous Maxilla: A Retrospective Study

Auteurs : Nicol Cavalli ; Bruno Barbaro ; Davide Spasari ; Francesco Azzola ; Alberto Ciatti ; Luca Francetti

Source :

RBID : PMC:3486129

Abstract

Purpose. The aims of this study were to assess the treatment outcome of immediately loaded full-arch fixed bridges anchored to both tilted and axially placed implants in the edentulous maxilla and to evaluate the incidence of biological and prosthetic complications. Materials and Methods. Thirty-four patients (18 women and 16 men) were included in the study. Each patient received a maxillary full-arch fixed bridge supported by two axial implants and two distal tilted implants. A total of 136 implants were inserted. Loading was applied within 48 hours of surgery and definitive restorations were placed 4 to 6 months later. Patients were scheduled for followup at 6, 12, 18, and 24 months and annually up to 5 years. At each followup plaque level and bleeding scores were assessed and every complication was recorded. Results. The overall follow-up range was 12 to 73 months (mean 38.8 months). No implant failures were recorded to date, leading to a cumulative implant survival rate of 100%. Biological complications were recorded such as alveolar mucositis (11.8% patients), peri-implantitis (5.9% patients), and temporomandibular joint pain (5.9% patients). The most common prosthetic complications were the fracture or detachment of one or multiple acrylic teeth in both the temporary (20.6% patients) and definitive (17.7% patients) prosthesis and the minor acrylic fractures in the temporary (14.7% patients) and definitive (2.9% patients) prosthesis. Hygienic complications occurred in 38.2% patients. No patients' dissatisfactions were recorded. Conclusions. The high cumulative implant survival rate indicates that this technique could be considered a viable treatment option. An effective recall program is important to early intercept and correct prosthetic and biologic complications in order to avoid implant and prosthetic failures.


Url:
DOI: 10.1155/2012/180379
PubMed: 23133453
PubMed Central: 3486129

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PMC:3486129

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<title xml:lang="en">Tilted Implants for Full-Arch Rehabilitations in Completely Edentulous Maxilla: A Retrospective Study</title>
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<name sortKey="Spasari, Davide" sort="Spasari, Davide" uniqKey="Spasari D" first="Davide" last="Spasari">Davide Spasari</name>
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<italic>Purpose</italic>
. The aims of this study were to assess the treatment outcome of immediately loaded full-arch fixed bridges anchored to both tilted and axially placed implants in the edentulous maxilla and to evaluate the incidence of biological and prosthetic complications.
<italic>Materials and Methods</italic>
. Thirty-four patients (18 women and 16 men) were included in the study. Each patient received a maxillary full-arch fixed bridge supported by two axial implants and two distal tilted implants. A total of 136 implants were inserted. Loading was applied within 48 hours of surgery and definitive restorations were placed 4 to 6 months later. Patients were scheduled for followup at 6, 12, 18, and 24 months and annually up to 5 years. At each followup plaque level and bleeding scores were assessed and every complication was recorded.
<italic>Results</italic>
. The overall follow-up range was 12 to 73 months (mean 38.8 months). No implant failures were recorded to date, leading to a cumulative implant survival rate of 100%. Biological complications were recorded such as alveolar mucositis (11.8% patients), peri-implantitis (5.9% patients), and temporomandibular joint pain (5.9% patients). The most common prosthetic complications were the fracture or detachment of one or multiple acrylic teeth in both the temporary (20.6% patients) and definitive (17.7% patients) prosthesis and the minor acrylic fractures in the temporary (14.7% patients) and definitive (2.9% patients) prosthesis. Hygienic complications occurred in 38.2% patients. No patients' dissatisfactions were recorded.
<italic>Conclusions</italic>
. The high cumulative implant survival rate indicates that this technique could be considered a viable treatment option. An effective recall program is important to early intercept and correct prosthetic and biologic complications in order to avoid implant and prosthetic failures.</p>
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<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>
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<journal-title>International Journal of Dentistry</journal-title>
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<issn pub-type="ppub">1687-8728</issn>
<issn pub-type="epub">1687-8736</issn>
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<publisher-name>Hindawi Publishing Corporation</publisher-name>
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<article-id pub-id-type="pmid">23133453</article-id>
<article-id pub-id-type="pmc">3486129</article-id>
<article-id pub-id-type="doi">10.1155/2012/180379</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Clinical Study</subject>
</subj-group>
</article-categories>
<title-group>
<article-title>Tilted Implants for Full-Arch Rehabilitations in Completely Edentulous Maxilla: A Retrospective Study</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Cavalli</surname>
<given-names>Nicolò</given-names>
</name>
<xref ref-type="corresp" rid="cor1">*</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Barbaro</surname>
<given-names>Bruno</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Spasari</surname>
<given-names>Davide</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Azzola</surname>
<given-names>Francesco</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Ciatti</surname>
<given-names>Alberto</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Francetti</surname>
<given-names>Luca</given-names>
</name>
</contrib>
</contrib-group>
<aff id="I1">Department of Biomedical, Surgical and Dental Sciences, Oral Implantology Research Center, Università degli Studi di Milano, IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy</aff>
<author-notes>
<corresp id="cor1">*Nicolò Cavalli:
<email>cavalli.nicolo@gmail.com</email>
</corresp>
<fn fn-type="other">
<p>Academic Editor: Silvio Taschieri</p>
</fn>
</author-notes>
<pub-date pub-type="ppub">
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>23</day>
<month>10</month>
<year>2012</year>
</pub-date>
<volume>2012</volume>
<elocation-id>180379</elocation-id>
<history>
<date date-type="received">
<day>26</day>
<month>6</month>
<year>2012</year>
</date>
<date date-type="rev-recd">
<day>5</day>
<month>9</month>
<year>2012</year>
</date>
<date date-type="accepted">
<day>26</day>
<month>9</month>
<year>2012</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright © 2012 Nicolò Cavalli et al.</copyright-statement>
<copyright-year>2012</copyright-year>
<license xlink:href="https://creativecommons.org/licenses/by/3.0/">
<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>
<p>
<italic>Purpose</italic>
. The aims of this study were to assess the treatment outcome of immediately loaded full-arch fixed bridges anchored to both tilted and axially placed implants in the edentulous maxilla and to evaluate the incidence of biological and prosthetic complications.
<italic>Materials and Methods</italic>
. Thirty-four patients (18 women and 16 men) were included in the study. Each patient received a maxillary full-arch fixed bridge supported by two axial implants and two distal tilted implants. A total of 136 implants were inserted. Loading was applied within 48 hours of surgery and definitive restorations were placed 4 to 6 months later. Patients were scheduled for followup at 6, 12, 18, and 24 months and annually up to 5 years. At each followup plaque level and bleeding scores were assessed and every complication was recorded.
<italic>Results</italic>
. The overall follow-up range was 12 to 73 months (mean 38.8 months). No implant failures were recorded to date, leading to a cumulative implant survival rate of 100%. Biological complications were recorded such as alveolar mucositis (11.8% patients), peri-implantitis (5.9% patients), and temporomandibular joint pain (5.9% patients). The most common prosthetic complications were the fracture or detachment of one or multiple acrylic teeth in both the temporary (20.6% patients) and definitive (17.7% patients) prosthesis and the minor acrylic fractures in the temporary (14.7% patients) and definitive (2.9% patients) prosthesis. Hygienic complications occurred in 38.2% patients. No patients' dissatisfactions were recorded.
<italic>Conclusions</italic>
. The high cumulative implant survival rate indicates that this technique could be considered a viable treatment option. An effective recall program is important to early intercept and correct prosthetic and biologic complications in order to avoid implant and prosthetic failures.</p>
</abstract>
</article-meta>
</front>
<floats-group>
<fig id="fig1" orientation="portrait" position="float">
<label>Figure 1</label>
<caption>
<p>Pretreatment orthopantomography.</p>
</caption>
<graphic xlink:href="IJD2012-180379.001"></graphic>
</fig>
<fig id="fig2" orientation="portrait" position="float">
<label>Figure 2</label>
<caption>
<p>One year posttreatment orthopantomography.</p>
</caption>
<graphic xlink:href="IJD2012-180379.002"></graphic>
</fig>
<fig id="fig3" orientation="portrait" position="float">
<label>Figure 3</label>
<caption>
<p>Frontal view of the definitive prosthesis.</p>
</caption>
<graphic xlink:href="IJD2012-180379.003"></graphic>
</fig>
<fig id="fig4" orientation="portrait" position="float">
<label>Figure 4</label>
<caption>
<p>Lateral view of the definitive prosthesis.</p>
</caption>
<graphic xlink:href="IJD2012-180379.004"></graphic>
</fig>
<fig id="fig5" orientation="portrait" position="float">
<label>Figure 5</label>
<caption>
<p>Occlusal view of the definitive prosthesis.</p>
</caption>
<graphic xlink:href="IJD2012-180379.005"></graphic>
</fig>
<fig id="fig6" orientation="portrait" position="float">
<label>Figure 6</label>
<caption>
<p>Graphical representation of the patient-related complication incidence.</p>
</caption>
<graphic xlink:href="IJD2012-180379.006"></graphic>
</fig>
<table-wrap id="tab1" orientation="portrait" position="float">
<label>Table 1</label>
<caption>
<p>Cumulative survival rate.</p>
</caption>
<table frame="hsides" rules="groups">
<thead>
<tr>
<th align="left" rowspan="1" colspan="1">Interval</th>
<th align="center" rowspan="1" colspan="1">Number of implants</th>
<th align="center" rowspan="1" colspan="1">Failed</th>
<th align="center" rowspan="1" colspan="1">CSR%</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left" rowspan="1" colspan="1">0–6 mo</td>
<td align="center" rowspan="1" colspan="1">136</td>
<td align="center" rowspan="1" colspan="1">0</td>
<td align="center" rowspan="1" colspan="1">100</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">6–12 mo</td>
<td align="center" rowspan="1" colspan="1">136</td>
<td align="center" rowspan="1" colspan="1">0</td>
<td align="center" rowspan="1" colspan="1">100</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">12–18 mo</td>
<td align="center" rowspan="1" colspan="1">132</td>
<td align="center" rowspan="1" colspan="1">0</td>
<td align="center" rowspan="1" colspan="1">100</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">18–24 mo</td>
<td align="center" rowspan="1" colspan="1">108</td>
<td align="center" rowspan="1" colspan="1">0</td>
<td align="center" rowspan="1" colspan="1">100</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">24–36 mo</td>
<td align="center" rowspan="1" colspan="1">108</td>
<td align="center" rowspan="1" colspan="1">0</td>
<td align="center" rowspan="1" colspan="1">100</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">36–48 mo</td>
<td align="center" rowspan="1" colspan="1">80</td>
<td align="center" rowspan="1" colspan="1">0</td>
<td align="center" rowspan="1" colspan="1">100</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">48–60 mo</td>
<td align="center" rowspan="1" colspan="1">36</td>
<td align="center" rowspan="1" colspan="1">0</td>
<td align="center" rowspan="1" colspan="1">100</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">60–72 mo</td>
<td align="center" rowspan="1" colspan="1">16</td>
<td align="center" rowspan="1" colspan="1">0</td>
<td align="center" rowspan="1" colspan="1">100</td>
</tr>
</tbody>
</table>
</table-wrap>
<table-wrap id="tab2" orientation="portrait" position="float">
<label>Table 2</label>
<caption>
<p>Complication incidence over time.</p>
</caption>
<table frame="hsides" rules="groups">
<tbody>
<tr>
<td align="left" rowspan="1" colspan="1">Hygienic problems</td>
<td align="center" rowspan="1" colspan="1">38,24%</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Al. mucositis</td>
<td align="center" rowspan="1" colspan="1">11,76%</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Peri-implantitis</td>
<td align="center" rowspan="1" colspan="1">5,88%</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">TMJ pain</td>
<td align="center" rowspan="1" colspan="1">5,88%</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Detachment/fracture of tooth/teeth in temporary prosthesis</td>
<td align="center" rowspan="1" colspan="1">20,59%</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Detachment/fracture of tooth/teeth in definitive prosthesis</td>
<td align="center" rowspan="1" colspan="1">17,65%</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Acrylic fracture in temporary prosthesis</td>
<td align="center" rowspan="1" colspan="1">14,71%</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Acrylic fracture in definitive prosthesis</td>
<td align="center" rowspan="1" colspan="1">2,94%</td>
</tr>
<tr>
<td align="left" rowspan="1" colspan="1">Screw loosening</td>
<td align="center" rowspan="1" colspan="1">2,94%</td>
</tr>
</tbody>
</table>
</table-wrap>
</floats-group>
</pmc>
<affiliations>
<list></list>
<tree>
<noCountry>
<name sortKey="Azzola, Francesco" sort="Azzola, Francesco" uniqKey="Azzola F" first="Francesco" last="Azzola">Francesco Azzola</name>
<name sortKey="Barbaro, Bruno" sort="Barbaro, Bruno" uniqKey="Barbaro B" first="Bruno" last="Barbaro">Bruno Barbaro</name>
<name sortKey="Cavalli, Nicol" sort="Cavalli, Nicol" uniqKey="Cavalli N" first="Nicol" last="Cavalli">Nicol Cavalli</name>
<name sortKey="Ciatti, Alberto" sort="Ciatti, Alberto" uniqKey="Ciatti A" first="Alberto" last="Ciatti">Alberto Ciatti</name>
<name sortKey="Francetti, Luca" sort="Francetti, Luca" uniqKey="Francetti L" first="Luca" last="Francetti">Luca Francetti</name>
<name sortKey="Spasari, Davide" sort="Spasari, Davide" uniqKey="Spasari D" first="Davide" last="Spasari">Davide Spasari</name>
</noCountry>
</tree>
</affiliations>
</record>

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