Serveur d'exploration sur le patient édenté

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Five-year retrospective radiographic follow-up study of dental implants with sandblasting with large grit, and acid etching-treated surfaces

Identifieur interne : 000354 ( Pmc/Curation ); précédent : 000353; suivant : 000355

Five-year retrospective radiographic follow-up study of dental implants with sandblasting with large grit, and acid etching-treated surfaces

Auteurs : Hak-Kyun Kim [Corée du Sud] ; Eun-Young Lee [Corée du Sud] ; Jae-Jin Kim [Corée du Sud]

Source :

RBID : PMC:4699932

Abstract

Objectives

The purpose of this study is to evaluate five-year radiographic follow-up results of the Korean sandblasting with large grit, and acid etching (SLA)-treated implant system.

Materials and Methods

The subjects of the study are 54 patients who have been followed-up to date, of the patients who underwent implant surgery from May 1, 2009 to April 30, 2011. In all, 176 implant placements were performed. Radiographs were taken before the first surgery, immediately after the first and second surgeries, immediately and six months after the final prosthesis installation, and every year after that. Bone loss was evaluated by the method suggested by Romanos and Nentwig.

Results

A total of 176 implant placements were performed-122 in men and 54 in women. These patients have been followed-up for an average of 4.9 years. In terms of prosthetic appliances, there were 156 bridges and 20 single prostheses. Nine implants installed in the maxillary molar area, three in the mandibular molar area and two in the maxillary premolar area were included in group M, with bone loss less than 2 mm at the crestal aspect of the implant. Of these, eight implants were single prostheses. In all, six implants failed-four in the mandible and two in the maxilla. All of these failures occurred in single-implant cases. The implant survival rate was 98.1% on the maxilla and 94.3% on the mandible, with an overall survival of 96.6%.

Conclusion

Within the limitations of this study, implants with the SLA surface have a very superior survival rate in relatively poor bone environments such as the maxilla.


Url:
DOI: 10.5125/jkaoms.2015.41.6.317
PubMed: 26734558
PubMed Central: 4699932

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PMC:4699932

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<title>Objectives</title>
<p>The purpose of this study is to evaluate five-year radiographic follow-up results of the Korean sandblasting with large grit, and acid etching (SLA)-treated implant system.</p>
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<sec>
<title>Materials and Methods</title>
<p>The subjects of the study are 54 patients who have been followed-up to date, of the patients who underwent implant surgery from May 1, 2009 to April 30, 2011. In all, 176 implant placements were performed. Radiographs were taken before the first surgery, immediately after the first and second surgeries, immediately and six months after the final prosthesis installation, and every year after that. Bone loss was evaluated by the method suggested by Romanos and Nentwig.</p>
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<title>Results</title>
<p>A total of 176 implant placements were performed-122 in men and 54 in women. These patients have been followed-up for an average of 4.9 years. In terms of prosthetic appliances, there were 156 bridges and 20 single prostheses. Nine implants installed in the maxillary molar area, three in the mandibular molar area and two in the maxillary premolar area were included in group M, with bone loss less than 2 mm at the crestal aspect of the implant. Of these, eight implants were single prostheses. In all, six implants failed-four in the mandible and two in the maxilla. All of these failures occurred in single-implant cases. The implant survival rate was 98.1% on the maxilla and 94.3% on the mandible, with an overall survival of 96.6%.</p>
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<p>Within the limitations of this study, implants with the SLA surface have a very superior survival rate in relatively poor bone environments such as the maxilla.</p>
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<journal-id journal-id-type="nlm-ta">J Korean Assoc Oral Maxillofac Surg</journal-id>
<journal-id journal-id-type="iso-abbrev">J Korean Assoc Oral Maxillofac Surg</journal-id>
<journal-id journal-id-type="publisher-id">JKAOMS</journal-id>
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<journal-title>Journal of the Korean Association of Oral and Maxillofacial Surgeons</journal-title>
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<issn pub-type="ppub">2234-7550</issn>
<issn pub-type="epub">2234-5930</issn>
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<publisher-name>The Korean Association of Oral and Maxillofacial Surgeons</publisher-name>
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<article-id pub-id-type="pmid">26734558</article-id>
<article-id pub-id-type="pmc">4699932</article-id>
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<subject>Original Article</subject>
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<article-title>Five-year retrospective radiographic follow-up study of dental implants with sandblasting with large grit, and acid etching-treated surfaces</article-title>
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<contrib-group>
<contrib contrib-type="author">
<contrib-id contrib-id-type="orcid" authenticated="true">http://orcid.org/0000-0001-7001-2857</contrib-id>
<name>
<surname>Kim</surname>
<given-names>Hak-Kyun</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
<xref ref-type="author-notes" rid="FN1">*</xref>
</contrib>
<contrib contrib-type="author">
<contrib-id contrib-id-type="orcid" authenticated="true">http://orcid.org/0000-0003-0959-3415</contrib-id>
<name>
<surname>Lee</surname>
<given-names>Eun-Young</given-names>
</name>
<xref ref-type="aff" rid="A2">2</xref>
<xref ref-type="author-notes" rid="FN1">*</xref>
</contrib>
<contrib contrib-type="author" corresp="yes">
<contrib-id contrib-id-type="orcid" authenticated="true">http://orcid.org/0000-0003-3610-7742</contrib-id>
<name>
<surname>Kim</surname>
<given-names>Jae-Jin</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
</contrib>
</contrib-group>
<aff id="A1">
<label>1</label>
Department of Oral and Maxillofacial Surgery, Chungnam National University School of Medicine, Daejeon, Korea.</aff>
<aff id="A2">
<label>2</label>
Department of Oral and Maxillofacial Surgery, Chungbuk National University School of Medicine, Cheongju, Korea.</aff>
<author-notes>
<corresp>Corresponding author: Jae-Jin Kim. Department of Oral and Maxillofacial Surgery, Chungnam National University Hospital, 282 Munhwa-ro, Jung-gu, Daejeon 35015, Korea. TEL: +82-42-280-7820, FAX: +82-42-280-7824,
<email>kjjomfs@cnu.ac.kr</email>
</corresp>
<fn id="FN1" fn-type="equal">
<p>
<sup>*</sup>
These authors contributed equally to this work.</p>
</fn>
</author-notes>
<pub-date pub-type="ppub">
<month>12</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>17</day>
<month>12</month>
<year>2015</year>
</pub-date>
<volume>41</volume>
<issue>6</issue>
<fpage>317</fpage>
<lpage>321</lpage>
<history>
<date date-type="received">
<day>15</day>
<month>9</month>
<year>2015</year>
</date>
<date date-type="rev-recd">
<day>02</day>
<month>12</month>
<year>2015</year>
</date>
<date date-type="accepted">
<day>05</day>
<month>12</month>
<year>2015</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright © 2015 The Korean Association of Oral and Maxillofacial Surgeons. All rights reserved.</copyright-statement>
<copyright-year>2015</copyright-year>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc/4.0/">
<license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (
<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/4.0/">http://creativecommons.org/licenses/by-nc/4.0/</ext-link>
) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
</license>
</permissions>
<abstract>
<sec>
<title>Objectives</title>
<p>The purpose of this study is to evaluate five-year radiographic follow-up results of the Korean sandblasting with large grit, and acid etching (SLA)-treated implant system.</p>
</sec>
<sec>
<title>Materials and Methods</title>
<p>The subjects of the study are 54 patients who have been followed-up to date, of the patients who underwent implant surgery from May 1, 2009 to April 30, 2011. In all, 176 implant placements were performed. Radiographs were taken before the first surgery, immediately after the first and second surgeries, immediately and six months after the final prosthesis installation, and every year after that. Bone loss was evaluated by the method suggested by Romanos and Nentwig.</p>
</sec>
<sec>
<title>Results</title>
<p>A total of 176 implant placements were performed-122 in men and 54 in women. These patients have been followed-up for an average of 4.9 years. In terms of prosthetic appliances, there were 156 bridges and 20 single prostheses. Nine implants installed in the maxillary molar area, three in the mandibular molar area and two in the maxillary premolar area were included in group M, with bone loss less than 2 mm at the crestal aspect of the implant. Of these, eight implants were single prostheses. In all, six implants failed-four in the mandible and two in the maxilla. All of these failures occurred in single-implant cases. The implant survival rate was 98.1% on the maxilla and 94.3% on the mandible, with an overall survival of 96.6%.</p>
</sec>
<sec>
<title>Conclusion</title>
<p>Within the limitations of this study, implants with the SLA surface have a very superior survival rate in relatively poor bone environments such as the maxilla.</p>
</sec>
</abstract>
<kwd-group>
<kwd>Dental implants</kwd>
<kwd>Survival rate</kwd>
</kwd-group>
</article-meta>
</front>
<floats-group>
<fig id="F1" orientation="portrait" position="float">
<label>Fig. 1</label>
<caption>
<title>A. One dental implant was placed at the maxillary left second molar site with an osteotome sinus elevation technique in 2010. B. Marginal bone loss surrounding an implant was observed in group M (bone loss less than 2 mm at the crestal aspect of the implant) in 2015.</title>
</caption>
<graphic xlink:href="jkaoms-41-317-g001"></graphic>
</fig>
<fig id="F2" orientation="portrait" position="float">
<label>Fig. 2</label>
<caption>
<title>A. One dental implant was placed at the mandibular right first molar in 2011. B. A 4-year follow-up radiograph demonstrated excellent maintenance of marginal bone surrounding an implant.</title>
</caption>
<graphic xlink:href="jkaoms-41-317-g002"></graphic>
</fig>
<table-wrap id="T1" orientation="portrait" position="float">
<label>Table 1</label>
<caption>
<title>Location of implant</title>
</caption>
<alternatives>
<graphic xlink:href="jkaoms-41-317-i001"></graphic>
<table frame="hsides" rules="rows">
<thead>
<tr>
<th valign="middle" align="left" rowspan="1" colspan="1">Gender</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Mx. anterior</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Mx. premolar</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Mx. molar</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Mn. anterior</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Mn. premolar</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Mn. molar</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Total</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">Male</td>
<td valign="top" align="right" rowspan="1" colspan="1">6</td>
<td valign="top" align="right" rowspan="1" colspan="1">18</td>
<td valign="top" align="right" rowspan="1" colspan="1">42</td>
<td valign="top" align="right" rowspan="1" colspan="1">4</td>
<td valign="top" align="right" rowspan="1" colspan="1">12</td>
<td valign="top" align="right" rowspan="1" colspan="1">40</td>
<td valign="top" align="right" rowspan="1" colspan="1">122</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">Female</td>
<td valign="top" align="right" rowspan="1" colspan="1">10</td>
<td valign="top" align="right" rowspan="1" colspan="1">10</td>
<td valign="top" align="right" rowspan="1" colspan="1">20</td>
<td valign="top" align="right" rowspan="1" colspan="1">2</td>
<td valign="top" align="right" rowspan="1" colspan="1">2</td>
<td valign="top" align="right" rowspan="1" colspan="1">10</td>
<td valign="top" align="right" rowspan="1" colspan="1">54</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">Total</td>
<td valign="top" align="right" rowspan="1" colspan="1">16</td>
<td valign="top" align="right" rowspan="1" colspan="1">28</td>
<td valign="top" align="right" rowspan="1" colspan="1">62</td>
<td valign="top" align="right" rowspan="1" colspan="1">6</td>
<td valign="top" align="right" rowspan="1" colspan="1">14</td>
<td valign="top" align="right" rowspan="1" colspan="1">50</td>
<td valign="top" align="right" rowspan="1" colspan="1">176</td>
</tr>
</tbody>
</table>
</alternatives>
<table-wrap-foot>
<fn>
<p>(Mx.: maxilla, Mn.: mandible)</p>
<p>Values are presented as number of implants</p>
</fn>
</table-wrap-foot>
</table-wrap>
<table-wrap id="T2" orientation="portrait" position="float">
<label>Table 2</label>
<caption>
<title>Fixture diameter and length</title>
</caption>
<alternatives>
<graphic xlink:href="jkaoms-41-317-i002"></graphic>
<table frame="hsides" rules="rows">
<thead>
<tr>
<th valign="middle" align="center" rowspan="1" colspan="1">Length×diameter (mm)</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Number of fixtures</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">3.5×10</td>
<td valign="top" align="center" rowspan="1" colspan="1">22</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">4.0×10</td>
<td valign="top" align="center" rowspan="1" colspan="1">37</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">4.3×8</td>
<td valign="top" align="center" rowspan="1" colspan="1">31</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">4.3×10</td>
<td valign="top" align="center" rowspan="1" colspan="1">47</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">4.8×8</td>
<td valign="top" align="center" rowspan="1" colspan="1">19</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">4.8×10</td>
<td valign="top" align="center" rowspan="1" colspan="1">20</td>
</tr>
</tbody>
</table>
</alternatives>
</table-wrap>
<table-wrap id="T3" orientation="portrait" position="float">
<label>Table 3</label>
<caption>
<title>Evaluation of bone loss surrounding an implant</title>
</caption>
<alternatives>
<graphic xlink:href="jkaoms-41-317-i003"></graphic>
<table frame="hsides" rules="rows">
<thead>
<tr>
<th valign="middle" align="center" rowspan="1" colspan="1">Group</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Prosthesis setting</th>
<th valign="middle" align="center" rowspan="1" colspan="1">1 yr</th>
<th valign="middle" align="center" rowspan="1" colspan="1">2 yr</th>
<th valign="middle" align="center" rowspan="1" colspan="1">Most recent follow-up</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">Group 0</td>
<td valign="top" align="center" rowspan="1" colspan="1">176</td>
<td valign="top" align="center" rowspan="1" colspan="1">164</td>
<td valign="top" align="center" rowspan="1" colspan="1">162</td>
<td valign="top" align="center" rowspan="1" colspan="1">162</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">Group M</td>
<td valign="top" align="center" rowspan="1" colspan="1">-</td>
<td valign="top" align="center" rowspan="1" colspan="1">12</td>
<td valign="top" align="center" rowspan="1" colspan="1">14</td>
<td valign="top" align="center" rowspan="1" colspan="1">14</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">Group 1</td>
<td valign="top" align="center" rowspan="1" colspan="1">-</td>
<td valign="top" align="center" rowspan="1" colspan="1">-</td>
<td valign="top" align="center" rowspan="1" colspan="1">-</td>
<td valign="top" align="center" rowspan="1" colspan="1">-</td>
</tr>
<tr>
<td valign="top" align="left" rowspan="1" colspan="1">Group 2</td>
<td valign="top" align="center" rowspan="1" colspan="1">-</td>
<td valign="top" align="center" rowspan="1" colspan="1">-</td>
<td valign="top" align="center" rowspan="1" colspan="1">-</td>
<td valign="top" align="center" rowspan="1" colspan="1">-</td>
</tr>
</tbody>
</table>
</alternatives>
<table-wrap-foot>
<fn>
<p>(Group 0: no bone loss, Group M: bone loss less than 2 mm at the crestal aspect of the implant, Group 1: bone loss involving 1/4 of the implant length, Group 2: progressive bone loss between 1/4 and 1/2 of the implant length)</p>
<p>No implants were included in group 1 or 2.</p>
</fn>
</table-wrap-foot>
</table-wrap>
</floats-group>
</pmc>
</record>

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