Crestal Bone Changes Around Implants With Reduced Abutment Diameter Placed Non-Submerged and at Subcrestal Positions: A 1-Year Radiographic Evaluation
Identifieur interne : 000210 ( PascalFrancis/Checkpoint ); précédent : 000209; suivant : 000211Crestal Bone Changes Around Implants With Reduced Abutment Diameter Placed Non-Submerged and at Subcrestal Positions: A 1-Year Radiographic Evaluation
Auteurs : Ryan Donovan [États-Unis] ; Alan Fetner [États-Unis] ; Theofilos Koutouzis [États-Unis] ; Tord Lundgren [États-Unis]Source :
- Journal of periodontology : (1970) [ 0022-3492 ] ; 2010.
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Abstract
Background: There is limited information about two-part implants placed in subcrestal positions. The aim of this study is to retrospectively evaluate the 1-year outcome of implants placed non-submerged and in a subcrestal position. Methods: Records of 50 consecutive partially edentulous patients restored with dental implants were reviewed. For each implant, radiographs from the surgical appointment were compared to those from the 1-year follow-up visit and evaluated regarding: 1) the degree of subcrestal positioning of the implant, 2) changes of marginal hard tissue height over time, and 3) if the marginal hard tissue could be detected on the implant platform at the follow-up visit. Results: The overall survival rate from baseline to the last recorded follow-up visit was 100%. At the surgery, the implants were placed, on average, 1.37 mm (mesial) and 1.28 mm (distal) subcrestally. The mean marginal loss of hard tissues was 0.11 ± 0.30 mm. There were no statistical significant differences regarding the loss of marginal hard tissues between mesial and distal surfaces or the maxilla versus the mandible. There was no statistical significant correlation regarding the degree of subcrestal implant position and loss of marginal mineralized hard tissue (r = 0.15; P >0.05). The mineralized hard tissue on the implant shoulder was found in 69% of the implants at the 1-year follow-up visit. Conclusions: The present study reported a minimal loss of mineralized hard tissue around dental implants placed non-submerged and at subcrestal positions. In addition, these implants had hard tissue healing that extended onto the implant shoulders on most of the observed implants.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Crestal Bone Changes Around Implants With Reduced Abutment Diameter Placed Non-Submerged and at Subcrestal Positions: A 1-Year Radiographic Evaluation</title><author><name sortKey="Donovan, Ryan" sort="Donovan, Ryan" uniqKey="Donovan R" first="Ryan" last="Donovan">Ryan Donovan</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Periodontology, College of Dentistry, University of Florida</s1><s2>Gainesville, FL</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Fetner, Alan" sort="Fetner, Alan" uniqKey="Fetner A" first="Alan" last="Fetner">Alan Fetner</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Periodontology, College of Dentistry, University of Florida</s1><s2>Gainesville, FL</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Koutouzis, Theofilos" sort="Koutouzis, Theofilos" uniqKey="Koutouzis T" first="Theofilos" last="Koutouzis">Theofilos Koutouzis</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Periodontology, College of Dentistry, University of Florida</s1><s2>Gainesville, FL</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Lundgren, Tord" sort="Lundgren, Tord" uniqKey="Lundgren T" first="Tord" last="Lundgren">Tord Lundgren</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Periodontology, College of Dentistry, University of Florida</s1><s2>Gainesville, FL</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">10-0166364</idno><date when="2010">2010</date><idno type="stanalyst">PASCAL 10-0166364 INIST</idno><idno type="RBID">Pascal:10-0166364</idno><idno type="wicri:Area/PascalFrancis/Corpus">000229</idno><idno type="wicri:Area/PascalFrancis/Curation">000472</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000210</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000210</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Crestal Bone Changes Around Implants With Reduced Abutment Diameter Placed Non-Submerged and at Subcrestal Positions: A 1-Year Radiographic Evaluation</title><author><name sortKey="Donovan, Ryan" sort="Donovan, Ryan" uniqKey="Donovan R" first="Ryan" last="Donovan">Ryan Donovan</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Periodontology, College of Dentistry, University of Florida</s1><s2>Gainesville, FL</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Fetner, Alan" sort="Fetner, Alan" uniqKey="Fetner A" first="Alan" last="Fetner">Alan Fetner</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Periodontology, College of Dentistry, University of Florida</s1><s2>Gainesville, FL</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Koutouzis, Theofilos" sort="Koutouzis, Theofilos" uniqKey="Koutouzis T" first="Theofilos" last="Koutouzis">Theofilos Koutouzis</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Periodontology, College of Dentistry, University of Florida</s1><s2>Gainesville, FL</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Lundgren, Tord" sort="Lundgren, Tord" uniqKey="Lundgren T" first="Tord" last="Lundgren">Tord Lundgren</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Periodontology, College of Dentistry, University of Florida</s1><s2>Gainesville, FL</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Journal of periodontology : (1970)</title><title level="j" type="abbreviated">J. periodontol. : (1970)</title><idno type="ISSN">0022-3492</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of periodontology : (1970)</title><title level="j" type="abbreviated">J. periodontol. : (1970)</title><idno type="ISSN">0022-3492</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alveolar bone</term><term>Dental implant</term><term>Dentistry</term><term>Diameter</term><term>Evaluation</term><term>Implanted</term><term>Leak</term><term>Osteointegration</term><term>Osteopenia</term><term>Position</term><term>Radiography</term><term>Radiology</term><term>Titanium</term><term>Tooth</term><term>Treatment</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Ostéopénie</term><term>Radiographie</term><term>Radiologie</term><term>Os alvéolaire</term><term>Implanté</term><term>Diamètre</term><term>Position</term><term>Evaluation</term><term>Dent</term><term>Fuite</term><term>Ostéointégration</term><term>Titane</term><term>Dentisterie</term><term>Traitement</term><term>Implant dentaire</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Titane</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Background: There is limited information about two-part implants placed in subcrestal positions. The aim of this study is to retrospectively evaluate the 1-year outcome of implants placed non-submerged and in a subcrestal position. Methods: Records of 50 consecutive partially edentulous patients restored with dental implants were reviewed. For each implant, radiographs from the surgical appointment were compared to those from the 1-year follow-up visit and evaluated regarding: 1) the degree of subcrestal positioning of the implant, 2) changes of marginal hard tissue height over time, and 3) if the marginal hard tissue could be detected on the implant platform at the follow-up visit. Results: The overall survival rate from baseline to the last recorded follow-up visit was 100%. At the surgery, the implants were placed, on average, 1.37 mm (mesial) and 1.28 mm (distal) subcrestally. The mean marginal loss of hard tissues was 0.11 ± 0.30 mm. There were no statistical significant differences regarding the loss of marginal hard tissues between mesial and distal surfaces or the maxilla versus the mandible. There was no statistical significant correlation regarding the degree of subcrestal implant position and loss of marginal mineralized hard tissue (r = 0.15; P >0.05). The mineralized hard tissue on the implant shoulder was found in 69% of the implants at the 1-year follow-up visit. Conclusions: The present study reported a minimal loss of mineralized hard tissue around dental implants placed non-submerged and at subcrestal positions. In addition, these implants had hard tissue healing that extended onto the implant shoulders on most of the observed implants.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0022-3492</s0></fA01><fA03 i2="1"><s0>J. periodontol. : (1970)</s0></fA03><fA05><s2>81</s2></fA05><fA06><s2>3</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Crestal Bone Changes Around Implants With Reduced Abutment Diameter Placed Non-Submerged and at Subcrestal Positions: A 1-Year Radiographic Evaluation</s1></fA08><fA11 i1="01" i2="1"><s1>DONOVAN (Ryan)</s1></fA11><fA11 i1="02" i2="1"><s1>FETNER (Alan)</s1></fA11><fA11 i1="03" i2="1"><s1>KOUTOUZIS (Theofilos)</s1></fA11><fA11 i1="04" i2="1"><s1>LUNDGREN (Tord)</s1></fA11><fA14 i1="01"><s1>Department of Periodontology, College of Dentistry, University of Florida</s1><s2>Gainesville, FL</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></fA14><fA20><s1>428-434</s1></fA20><fA21><s1>2010</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>874</s2><s5>354000181479680140</s5></fA43><fA44><s0>0000</s0><s1>© 2010 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>33 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>10-0166364</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of periodontology : (1970)</s0></fA64><fA66 i1="01"><s0>USA</s0></fA66><fC01 i1="01" l="ENG"><s0>Background: There is limited information about two-part implants placed in subcrestal positions. The aim of this study is to retrospectively evaluate the 1-year outcome of implants placed non-submerged and in a subcrestal position. Methods: Records of 50 consecutive partially edentulous patients restored with dental implants were reviewed. For each implant, radiographs from the surgical appointment were compared to those from the 1-year follow-up visit and evaluated regarding: 1) the degree of subcrestal positioning of the implant, 2) changes of marginal hard tissue height over time, and 3) if the marginal hard tissue could be detected on the implant platform at the follow-up visit. Results: The overall survival rate from baseline to the last recorded follow-up visit was 100%. At the surgery, the implants were placed, on average, 1.37 mm (mesial) and 1.28 mm (distal) subcrestally. The mean marginal loss of hard tissues was 0.11 ± 0.30 mm. There were no statistical significant differences regarding the loss of marginal hard tissues between mesial and distal surfaces or the maxilla versus the mandible. There was no statistical significant correlation regarding the degree of subcrestal implant position and loss of marginal mineralized hard tissue (r = 0.15; P >0.05). The mineralized hard tissue on the implant shoulder was found in 69% of the implants at the 1-year follow-up visit. Conclusions: The present study reported a minimal loss of mineralized hard tissue around dental implants placed non-submerged and at subcrestal positions. 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