Comparison of marginal bone loss and patient satisfaction in single and double-implant assisted mandibular overdenture by immediate loading
Identifieur interne : 005D00 ( Ncbi/Merge ); précédent : 005C99; suivant : 005D01Comparison of marginal bone loss and patient satisfaction in single and double-implant assisted mandibular overdenture by immediate loading
Auteurs : Sara Tavakolizadeh [Allemagne] ; Fariborz Vafaee [Iran] ; Masume Khoshhal [Iran] ; Zahra Ebrahimzadeh [Iran]Source :
- The Journal of Advanced Prosthodontics [ 2005-7806 ] ; 2015.
Abstract
The purpose of this study was to compare the coronal bone level and patient satisfaction in 1-implant and 2-implant assisted mandibular overdentures.
Twenty patients who had maladaptive mandibular dentures were treated in this study. Patients were randomly divided into two groups. The first group received 1 implant (Simple line II, Implantium, South Korea) in their mandibular midline and the second group received 2 implants in their B and D regions (according to Misch's category). If the primary stability of each implant was at least 60 ISQ, ball attachment was placed and denture relined with soft liner. After 6 weeks, retentive cap incorporated with hard acrylic resin. In the 6 and 12 months recalls, periapical digital radiograph were made and visual analogue scale questionnaires were used to record patient satisfaction. The Friedman test was done for comparing the presurgical and postsurgical parameters in each group and the U-Mann Whitney test (
All implants achieved sufficient primary stability to be immediately loaded. Patient satisfaction was high, and there were no significant differences between two groups (
This preliminary one-year result indicated that mandibular overdentures anchored to a single implant can be a safe and cost-effective method as a starting step for implant-overdenture treatment.
Url:
DOI: 10.4047/jap.2015.7.3.191
PubMed: 26140170
PubMed Central: 4486614
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Comparison of marginal bone loss and patient satisfaction in single and double-implant assisted mandibular overdenture by immediate loading</title><author><name sortKey="Tavakolizadeh, Sara" sort="Tavakolizadeh, Sara" uniqKey="Tavakolizadeh S" first="Sara" last="Tavakolizadeh">Sara Tavakolizadeh</name><affiliation wicri:level="3"><nlm:aff id="A1">TMD Center, INI Hospital, Hannover, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>TMD Center, INI Hospital, Hannover</wicri:regionArea><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation></author><author><name sortKey="Vafaee, Fariborz" sort="Vafaee, Fariborz" uniqKey="Vafaee F" first="Fariborz" last="Vafaee">Fariborz Vafaee</name><affiliation wicri:level="1"><nlm:aff id="A2">Hamadan University of Dental Science, Hamadan, Iran.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Iran</country><wicri:regionArea>Hamadan University of Dental Science, Hamadan</wicri:regionArea><wicri:noRegion>Hamadan</wicri:noRegion></affiliation></author><author><name sortKey="Khoshhal, Masume" sort="Khoshhal, Masume" uniqKey="Khoshhal M" first="Masume" last="Khoshhal">Masume Khoshhal</name><affiliation wicri:level="1"><nlm:aff id="A2">Hamadan University of Dental Science, Hamadan, Iran.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Iran</country><wicri:regionArea>Hamadan University of Dental Science, Hamadan</wicri:regionArea><wicri:noRegion>Hamadan</wicri:noRegion></affiliation></author><author><name sortKey="Ebrahimzadeh, Zahra" sort="Ebrahimzadeh, Zahra" uniqKey="Ebrahimzadeh Z" first="Zahra" last="Ebrahimzadeh">Zahra Ebrahimzadeh</name><affiliation wicri:level="1"><nlm:aff id="A3">Periodontist, Tehran, Iran.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Iran</country><wicri:regionArea>Periodontist, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26140170</idno><idno type="pmc">4486614</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4486614</idno><idno type="RBID">PMC:4486614</idno><idno type="doi">10.4047/jap.2015.7.3.191</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000305</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000305</idno><idno type="wicri:Area/Pmc/Curation">000305</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000305</idno><idno type="wicri:Area/Pmc/Checkpoint">000F29</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000F29</idno><idno type="wicri:Area/Ncbi/Merge">005D00</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Comparison of marginal bone loss and patient satisfaction in single and double-implant assisted mandibular overdenture by immediate loading</title><author><name sortKey="Tavakolizadeh, Sara" sort="Tavakolizadeh, Sara" uniqKey="Tavakolizadeh S" first="Sara" last="Tavakolizadeh">Sara Tavakolizadeh</name><affiliation wicri:level="3"><nlm:aff id="A1">TMD Center, INI Hospital, Hannover, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>TMD Center, INI Hospital, Hannover</wicri:regionArea><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Hanovre</settlement></placeName></affiliation></author><author><name sortKey="Vafaee, Fariborz" sort="Vafaee, Fariborz" uniqKey="Vafaee F" first="Fariborz" last="Vafaee">Fariborz Vafaee</name><affiliation wicri:level="1"><nlm:aff id="A2">Hamadan University of Dental Science, Hamadan, Iran.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Iran</country><wicri:regionArea>Hamadan University of Dental Science, Hamadan</wicri:regionArea><wicri:noRegion>Hamadan</wicri:noRegion></affiliation></author><author><name sortKey="Khoshhal, Masume" sort="Khoshhal, Masume" uniqKey="Khoshhal M" first="Masume" last="Khoshhal">Masume Khoshhal</name><affiliation wicri:level="1"><nlm:aff id="A2">Hamadan University of Dental Science, Hamadan, Iran.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Iran</country><wicri:regionArea>Hamadan University of Dental Science, Hamadan</wicri:regionArea><wicri:noRegion>Hamadan</wicri:noRegion></affiliation></author><author><name sortKey="Ebrahimzadeh, Zahra" sort="Ebrahimzadeh, Zahra" uniqKey="Ebrahimzadeh Z" first="Zahra" last="Ebrahimzadeh">Zahra Ebrahimzadeh</name><affiliation wicri:level="1"><nlm:aff id="A3">Periodontist, Tehran, Iran.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Iran</country><wicri:regionArea>Periodontist, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Journal of Advanced Prosthodontics</title><idno type="ISSN">2005-7806</idno><idno type="eISSN">2005-7814</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>PURPOSE</title><p>The purpose of this study was to compare the coronal bone level and patient satisfaction in 1-implant and 2-implant assisted mandibular overdentures.</p></sec><sec><title>MATERIALS AND METHODS</title><p>Twenty patients who had maladaptive mandibular dentures were treated in this study. Patients were randomly divided into two groups. The first group received 1 implant (Simple line II, Implantium, South Korea) in their mandibular midline and the second group received 2 implants in their B and D regions (according to Misch's category). If the primary stability of each implant was at least 60 ISQ, ball attachment was placed and denture relined with soft liner. After 6 weeks, retentive cap incorporated with hard acrylic resin. In the 6 and 12 months recalls, periapical digital radiograph were made and visual analogue scale questionnaires were used to record patient satisfaction. The Friedman test was done for comparing the presurgical and postsurgical parameters in each group and the U-Mann Whitney test (<italic>P</italic><.05) was done for comparison of post-treatment results between the two groups.</p></sec><sec><title>RESULTS</title><p>All implants achieved sufficient primary stability to be immediately loaded. Patient satisfaction was high, and there were no significant differences between two groups (<italic>P</italic>>.05). In addition, mean marginal bone loss was 0.6 ± 0.67 mm in the first group and 0.6 ± 0.51 mm in the second group, after 12 month. Mean marginal bone loss showed no significant differences between two groups.</p></sec><sec><title>CONCLUSION</title><p>This preliminary one-year result indicated that mandibular overdentures anchored to a single implant can be a safe and cost-effective method as a starting step for implant-overdenture treatment.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Redford, M" uniqKey="Redford M">M Redford</name></author><author><name sortKey="Drury, Tf" uniqKey="Drury T">TF Drury</name></author><author><name sortKey="Kingman, A" uniqKey="Kingman A">A Kingman</name></author><author><name sortKey="Brown, Lj" uniqKey="Brown L">LJ Brown</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Dias, R" uniqKey="Dias R">R Dias</name></author><author><name sortKey="Moghadam, M" uniqKey="Moghadam M">M Moghadam</name></author><author><name sortKey="Kuyinu, E" uniqKey="Kuyinu E">E 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<front><journal-meta><journal-id journal-id-type="nlm-ta">J Adv Prosthodont</journal-id><journal-id journal-id-type="iso-abbrev">J Adv Prosthodont</journal-id><journal-id journal-id-type="publisher-id">JAP</journal-id><journal-title-group><journal-title>The Journal of Advanced Prosthodontics</journal-title></journal-title-group><issn pub-type="ppub">2005-7806</issn><issn pub-type="epub">2005-7814</issn><publisher><publisher-name>The Korean Academy of Prosthodontics</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">26140170</article-id><article-id pub-id-type="pmc">4486614</article-id><article-id pub-id-type="doi">10.4047/jap.2015.7.3.191</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject></subj-group></article-categories><title-group><article-title>Comparison of marginal bone loss and patient satisfaction in single and double-implant assisted mandibular overdenture by immediate loading</article-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Tavakolizadeh</surname><given-names>Sara</given-names></name><xref ref-type="aff" rid="A1">1</xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Vafaee</surname><given-names>Fariborz</given-names></name><xref ref-type="aff" rid="A2">2</xref></contrib><contrib contrib-type="author"><name><surname>Khoshhal</surname><given-names>Masume</given-names></name><xref ref-type="aff" rid="A2">2</xref></contrib><contrib contrib-type="author"><name><surname>Ebrahimzadeh</surname><given-names>Zahra</given-names></name><xref ref-type="aff" rid="A3">3</xref></contrib></contrib-group><aff id="A1"><label>1</label>TMD Center, INI Hospital, Hannover, Germany.</aff><aff id="A2"><label>2</label>Hamadan University of Dental Science, Hamadan, Iran.</aff><aff id="A3"><label>3</label>Periodontist, Tehran, Iran.</aff><author-notes><corresp>Corresponding author: Sara Tavakolizadeh. TMD center, INI hospital, Rudolf-Pichlmayr street, 30625, Hannover, Germany. Tel: 004917646171743: <email>saratavakolizadeh@yahoo.com</email></corresp><corresp>Corresponding author: Fariborz Vafaee. Hamadan University of Dental Science, Shahid Fahmide street, Hamadan, Iran. <email>fvafaee@gmail.com</email></corresp></author-notes><pub-date pub-type="ppub"><month>6</month><year>2015</year></pub-date><pub-date pub-type="epub"><day>23</day><month>6</month><year>2015</year></pub-date><volume>7</volume><issue>3</issue><fpage>191</fpage><lpage>198</lpage><history><date date-type="received"><day>12</day><month>10</month><year>2014</year></date><date date-type="rev-recd"><day>16</day><month>3</month><year>2015</year></date><date date-type="accepted"><day>18</day><month>3</month><year>2015</year></date></history><permissions><copyright-statement>© 2015 The Korean Academy of Prosthodontics</copyright-statement><copyright-year>2015</copyright-year><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc/3.0/"><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/3.0/">http://creativecommons.org/licenses/by-nc/3.0/</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>PURPOSE</title><p>The purpose of this study was to compare the coronal bone level and patient satisfaction in 1-implant and 2-implant assisted mandibular overdentures.</p></sec><sec><title>MATERIALS AND METHODS</title><p>Twenty patients who had maladaptive mandibular dentures were treated in this study. Patients were randomly divided into two groups. The first group received 1 implant (Simple line II, Implantium, South Korea) in their mandibular midline and the second group received 2 implants in their B and D regions (according to Misch's category). If the primary stability of each implant was at least 60 ISQ, ball attachment was placed and denture relined with soft liner. After 6 weeks, retentive cap incorporated with hard acrylic resin. In the 6 and 12 months recalls, periapical digital radiograph were made and visual analogue scale questionnaires were used to record patient satisfaction. The Friedman test was done for comparing the presurgical and postsurgical parameters in each group and the U-Mann Whitney test (<italic>P</italic><.05) was done for comparison of post-treatment results between the two groups.</p></sec><sec><title>RESULTS</title><p>All implants achieved sufficient primary stability to be immediately loaded. Patient satisfaction was high, and there were no significant differences between two groups (<italic>P</italic>>.05). In addition, mean marginal bone loss was 0.6 ± 0.67 mm in the first group and 0.6 ± 0.51 mm in the second group, after 12 month. Mean marginal bone loss showed no significant differences between two groups.</p></sec><sec><title>CONCLUSION</title><p>This preliminary one-year result indicated that mandibular overdentures anchored to a single implant can be a safe and cost-effective method as a starting step for implant-overdenture treatment.</p></sec></abstract><kwd-group><kwd>Implant</kwd><kwd>Overdenture</kwd><kwd>Bone loss</kwd><kwd>Patients satisfaction</kwd></kwd-group><funding-group><award-group><funding-source country="IR">Hamadan Dental University</funding-source></award-group></funding-group></article-meta></front><floats-group><fig id="F1" orientation="portrait" position="float"><label>Fig. 1</label><caption><title>CBCT evaluation and electronic surgery.</title></caption><graphic xlink:href="jap-7-191-g001"></graphic></fig><fig id="F2" orientation="portrait" position="float"><label>Fig. 2</label><caption><title>Pilot hole in surgical stent as a guide for initial twist drill. (A) tissue surface, (B) polished surface.</title></caption><graphic xlink:href="jap-7-191-g002"></graphic></fig><fig id="F3" orientation="portrait" position="float"><label>Fig. 3</label><caption><title>RFA evaluation. (A) occlusal view, (B) lateral view.</title></caption><graphic xlink:href="jap-7-191-g003"></graphic></fig><fig id="F4" orientation="portrait" position="float"><label>Fig. 4</label><caption><title>Customized radiographic stent. (A) Upper view, (B) Lateral view.</title></caption><graphic xlink:href="jap-7-191-g004"></graphic></fig><fig id="F5" orientation="portrait" position="float"><label>Fig. 5</label><caption><title>Overdentures with incorporated metallic cap and O-ring.</title></caption><graphic xlink:href="jap-7-191-g005"></graphic></fig><fig id="F6" orientation="portrait" position="float"><label>Fig. 6</label><caption><title>Digital parallel periapical. (A) immediately after insertion, (B) 12 months later.</title></caption><graphic xlink:href="jap-7-191-g006"></graphic></fig><fig id="F7" orientation="portrait" position="float"><label>Fig. 7</label><caption><title>Improvement of oral function and comfort in single implant group.</title></caption><graphic xlink:href="jap-7-191-g007"></graphic></fig><fig id="F8" orientation="portrait" position="float"><label>Fig. 8</label><caption><title>Improvement of oral function and comfort in two-implant
group.</title></caption><graphic xlink:href="jap-7-191-g008"></graphic></fig><table-wrap id="T1" orientation="portrait" position="float"><label>Table 1</label><caption><title>Comparison of improvement in comfort and function between Group A and B</title></caption><alternatives><graphic xlink:href="jap-7-191-i001"></graphic><table frame="hsides" rules="rows"><thead><tr><th valign="middle" align="center" rowspan="2" colspan="2">Index</th><th valign="middle" align="center" rowspan="1" colspan="2">Pretreatment</th><th valign="middle" align="center" rowspan="1" colspan="2">6 months</th><th valign="middle" align="center" rowspan="1" colspan="2">12 months</th></tr><tr><th valign="middle" align="center" rowspan="1" colspan="1">Mean ± SD</th><th valign="middle" align="center" rowspan="1" colspan="1"><italic>P</italic> value</th><th valign="middle" align="center" rowspan="1" colspan="1">Mean ± SD</th><th valign="middle" align="center" rowspan="1" colspan="1"><italic>P</italic> value</th><th valign="middle" align="center" rowspan="1" colspan="1">Mean ± SD</th><th valign="middle" align="center" rowspan="1" colspan="1"><italic>P</italic> value</th></tr></thead><tbody><tr><td valign="middle" align="left" rowspan="2" colspan="1">General satisfaction</td><td valign="top" align="left" rowspan="1" colspan="1">Group A</td><td valign="top" align="left" rowspan="1" colspan="1">2.7 ± 3.0</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">4.5 ± 1.6</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">7.1 ± 2.03</td><td valign="top" align="center" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Group B</td><td valign="top" align="left" rowspan="1" colspan="1">4.3 ± 2.3</td><td valign="top" align="center" rowspan="1" colspan="1">.24</td><td valign="top" align="left" rowspan="1" colspan="1">6.3 ± 1.5</td><td valign="top" align="center" rowspan="1" colspan="1">.04</td><td valign="top" align="left" rowspan="1" colspan="1">7.0 ± 1.5</td><td valign="top" align="center" rowspan="1" colspan="1">.51</td></tr><tr><td valign="middle" align="left" rowspan="2" colspan="1">Social life</td><td valign="top" align="left" rowspan="1" colspan="1">Group A</td><td valign="top" align="left" rowspan="1" colspan="1">4.5 ± 2.1</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">5.8 ± 1.4</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">7.8 ± 1.1</td><td valign="top" align="center" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Group B</td><td valign="top" align="left" rowspan="1" colspan="1">5.2 ± 2.2</td><td valign="top" align="center" rowspan="1" colspan="1">.55</td><td valign="top" align="left" rowspan="1" colspan="1">6.8 ± 1.5</td><td valign="top" align="center" rowspan="1" colspan="1">.36</td><td valign="top" align="left" rowspan="1" colspan="1">8.3 ± 1.4</td><td valign="top" align="center" rowspan="1" colspan="1">.83</td></tr><tr><td valign="middle" align="left" rowspan="2" colspan="1">Chew hardfoods</td><td valign="top" align="left" rowspan="1" colspan="1">Group A</td><td valign="top" align="left" rowspan="1" colspan="1">3.4 ± 1.4</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">4.8 ± 2.1</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">7.5 ± 1.2</td><td valign="top" align="center" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Group B</td><td valign="top" align="left" rowspan="1" colspan="1">3.5 ± 1.9</td><td valign="top" align="center" rowspan="1" colspan="1">.82</td><td valign="top" align="left" rowspan="1" colspan="1">6.1 ± 1.9</td><td valign="top" align="center" rowspan="1" colspan="1">.20</td><td valign="top" align="left" rowspan="1" colspan="1">7.4 ± 1.4</td><td valign="top" align="center" rowspan="1" colspan="1">.55</td></tr><tr><td valign="middle" align="left" rowspan="2" colspan="1">Comfort</td><td valign="top" align="left" rowspan="1" colspan="1">Group A</td><td valign="top" align="left" rowspan="1" colspan="1">5.0 ± 3.1</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">6.5 ± 1.3</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">8.1 ± 1.8</td><td valign="top" align="center" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Group B</td><td valign="top" align="left" rowspan="1" colspan="1">5.3 ± 2.8</td><td valign="top" align="center" rowspan="1" colspan="1">.70</td><td valign="top" align="left" rowspan="1" colspan="1">7.5 ± 1.6</td><td valign="top" align="center" rowspan="1" colspan="1">.30</td><td valign="top" align="left" rowspan="1" colspan="1">8.0 ± 1.3</td><td valign="top" align="center" rowspan="1" colspan="1">.39</td></tr><tr><td valign="middle" align="left" rowspan="2" colspan="1">Fit</td><td valign="top" align="left" rowspan="1" colspan="1">Group A</td><td valign="top" align="left" rowspan="1" colspan="1">3.6 ± 2.2</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">7.7 ± 1.1</td><td valign="top" align="center" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">8.2 ± 0.8</td><td valign="top" align="center" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Group B</td><td valign="top" align="left" rowspan="1" colspan="1">3.6 ± 2.2</td><td valign="top" align="center" rowspan="1" colspan="1">.99</td><td valign="top" align="left" rowspan="1" colspan="1">8.0 ± 1.1</td><td valign="top" align="center" rowspan="1" colspan="1">.78</td><td valign="top" align="left" rowspan="1" colspan="1">9.0 ± 0.7</td><td valign="top" align="center" rowspan="1" colspan="1">.70</td></tr></tbody></table></alternatives><table-wrap-foot><fn><p>Mann-Whitney Test</p></fn></table-wrap-foot></table-wrap><table-wrap id="T2" orientation="portrait" position="float"><label>Table 2</label><caption><title>Mean bone loss (mm) from baseline for group A and B</title></caption><alternatives><graphic xlink:href="jap-7-191-i002"></graphic><table frame="hsides" rules="rows"><thead><tr><th valign="middle" align="center" rowspan="2" colspan="2">Index</th><th valign="top" align="center" rowspan="1" colspan="2">6 months</th><th valign="top" align="center" rowspan="1" colspan="2">12 months</th></tr><tr><th valign="top" align="center" rowspan="1" colspan="1">Mean ± SD</th><th valign="top" align="center" rowspan="1" colspan="1"><italic>P</italic> value</th><th valign="top" align="center" rowspan="1" colspan="1">Mean ± SD</th><th valign="top" align="center" rowspan="1" colspan="1"><italic>P</italic> value</th></tr></thead><tbody><tr><td valign="middle" align="left" rowspan="2" colspan="1">Marginal bone loss</td><td valign="middle" align="left" rowspan="1" colspan="1">Group A</td><td valign="middle" align="center" rowspan="1" colspan="1">0.4 ± 0.24</td><td valign="middle" align="center" rowspan="2" colspan="1">0.91</td><td valign="middle" align="center" rowspan="1" colspan="1">0.6 ± 0.67</td><td valign="middle" align="center" rowspan="2" colspan="1">0.74</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Group B</td><td valign="top" align="center" rowspan="1" colspan="1">0.4 ± 0.16</td><td valign="top" align="center" rowspan="1" colspan="1">0.6 ± 0.51</td></tr></tbody></table></alternatives><table-wrap-foot><fn><p>Mann-Whitney Test</p></fn></table-wrap-foot></table-wrap></floats-group></pmc><affiliations><list><country><li>Allemagne</li><li>Iran</li></country><region><li>Basse-Saxe</li></region><settlement><li>Hanovre</li></settlement></list><tree><country name="Allemagne"><region name="Basse-Saxe"><name sortKey="Tavakolizadeh, Sara" sort="Tavakolizadeh, Sara" uniqKey="Tavakolizadeh S" first="Sara" last="Tavakolizadeh">Sara Tavakolizadeh</name></region></country><country name="Iran"><noRegion><name sortKey="Vafaee, Fariborz" sort="Vafaee, Fariborz" uniqKey="Vafaee F" first="Fariborz" last="Vafaee">Fariborz Vafaee</name></noRegion><name sortKey="Ebrahimzadeh, Zahra" sort="Ebrahimzadeh, Zahra" uniqKey="Ebrahimzadeh Z" first="Zahra" last="Ebrahimzadeh">Zahra Ebrahimzadeh</name><name sortKey="Khoshhal, Masume" sort="Khoshhal, Masume" uniqKey="Khoshhal M" first="Masume" last="Khoshhal">Masume Khoshhal</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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