Peri-implant bone reactions at delayed and immediately loaded implants : an experimental study
Identifieur interne : 006526 ( Main/Exploration ); précédent : 006525; suivant : 006527Peri-implant bone reactions at delayed and immediately loaded implants : an experimental study
Auteurs : Se-Hoon Kim [Corée du Sud] ; Byung-Ho Choi [Corée du Sud] ; JINGXU LI [Corée du Sud] ; Han-Sung Kim [Corée du Sud] ; Chang-Yong Ko [Corée du Sud] ; Seung-Mi Jeong [Corée du Sud] ; FENG XUAN [Corée du Sud] ; Seoung-Ho Lee [Corée du Sud]Source :
- Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics [ 1079-2104 ] ; 2008.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Objective. The aim of this study was to compare the peri-implant bone reactions of implants subjected to immediate loading with those subjected to delayed loading. Study design. In 6 mongrel dogs, bilateral edentulated flat alveolar ridges were created in the mandible. After 3 months of healing, 1 implant was placed in each side. On one side of the mandible, the implant was loaded immediately with a force of 20 N that was applied at a 120° angle from the tooth's longitudinal axis at the labial surface of the crown for 1800 cycles per day for 10 weeks. On the opposite side, after a delay of 3 months to allow osseointegration to take place, the implant was loaded with the same force used for the immediately loaded implant. Ten weeks after loading, microscopic computerized tomography at the implantation site was performed. Osseointegration was calculated as the percentage of implant surface in contact with bone. Bone height was measured in the peri-implant bone. Results. The mean osseointegration was greater (65.5%) for the delayed-loading implants than for the immediately loaded implants (60.9%; P <.05). The mean peri-implant bone height was greater (10.6 mm) for the delayed-loading implants than for the immediately loaded implants (9.6 mm; P <.05). Conclusion. The results indicate that when implants are immediately loaded, the immediate loading may decrease both osseointegration of dental implants and bone height.
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UNIVERSITY</s1><s3>KOR</s3><sZ>2 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Corée du Sud</country><wicri:noRegion>EWHA WOMEN'S UNIVERSITY</wicri:noRegion></affiliation></author><author><name sortKey="Jingxu Li" sort="Jingxu Li" uniqKey="Jingxu Li" last="Jingxu Li">JINGXU LI</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>YONSEI UNIVERSITY</s1><s3>KOR</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Corée du Sud</country><wicri:noRegion>YONSEI UNIVERSITY</wicri:noRegion></affiliation></author><author><name sortKey="Kim, Han Sung" sort="Kim, Han Sung" uniqKey="Kim H" first="Han-Sung" last="Kim">Han-Sung Kim</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>YONSEI UNIVERSITY</s1><s3>KOR</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Corée du Sud</country><wicri:noRegion>YONSEI UNIVERSITY</wicri:noRegion></affiliation></author><author><name sortKey="Ko, Chang Yong" sort="Ko, Chang Yong" uniqKey="Ko C" first="Chang-Yong" last="Ko">Chang-Yong Ko</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>YONSEI UNIVERSITY</s1><s3>KOR</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Corée du Sud</country><wicri:noRegion>YONSEI UNIVERSITY</wicri:noRegion></affiliation></author><author><name sortKey="Jeong, Seung Mi" sort="Jeong, Seung Mi" uniqKey="Jeong S" first="Seung-Mi" last="Jeong">Seung-Mi Jeong</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>YONSEI UNIVERSITY</s1><s3>KOR</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Corée du Sud</country><wicri:noRegion>YONSEI UNIVERSITY</wicri:noRegion></affiliation></author><author><name sortKey="Feng Xuan" sort="Feng Xuan" uniqKey="Feng Xuan" last="Feng Xuan">FENG XUAN</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>YONSEI UNIVERSITY</s1><s3>KOR</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Corée du Sud</country><wicri:noRegion>YONSEI UNIVERSITY</wicri:noRegion></affiliation></author><author><name sortKey="Lee, Seoung Ho" sort="Lee, Seoung Ho" uniqKey="Lee S" first="Seoung-Ho" last="Lee">Seoung-Ho Lee</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>EWHA WOMEN'S UNIVERSITY</s1><s3>KOR</s3><sZ>2 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Corée du Sud</country><wicri:noRegion>EWHA WOMEN'S UNIVERSITY</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics</title><title level="j" type="abbreviated">Oral surg. oral med. oral pathol. oral radiol. endo.</title><idno type="ISSN">1079-2104</idno><imprint><date when="2008">2008</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics</title><title level="j" type="abbreviated">Oral surg. oral med. oral pathol. oral radiol. endo.</title><idno type="ISSN">1079-2104</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bone</term><term>Experimental study</term><term>Implant</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Implant</term><term>Os</term><term>Etude expérimentale</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Objective. The aim of this study was to compare the peri-implant bone reactions of implants subjected to immediate loading with those subjected to delayed loading. Study design. In 6 mongrel dogs, bilateral edentulated flat alveolar ridges were created in the mandible. After 3 months of healing, 1 implant was placed in each side. On one side of the mandible, the implant was loaded immediately with a force of 20 N that was applied at a 120° angle from the tooth's longitudinal axis at the labial surface of the crown for 1800 cycles per day for 10 weeks. On the opposite side, after a delay of 3 months to allow osseointegration to take place, the implant was loaded with the same force used for the immediately loaded implant. Ten weeks after loading, microscopic computerized tomography at the implantation site was performed. Osseointegration was calculated as the percentage of implant surface in contact with bone. Bone height was measured in the peri-implant bone. Results. The mean osseointegration was greater (65.5%) for the delayed-loading implants than for the immediately loaded implants (60.9%; P <.05). The mean peri-implant bone height was greater (10.6 mm) for the delayed-loading implants than for the immediately loaded implants (9.6 mm; P <.05). Conclusion. The results indicate that when implants are immediately loaded, the immediate loading may decrease both osseointegration of dental implants and bone height.</div></front></TEI><affiliations><list><country><li>Corée du Sud</li></country></list><tree><country name="Corée du Sud"><noRegion><name sortKey="Kim, Se Hoon" sort="Kim, Se Hoon" uniqKey="Kim S" first="Se-Hoon" last="Kim">Se-Hoon Kim</name></noRegion><name sortKey="Choi, Byung Ho" sort="Choi, Byung Ho" uniqKey="Choi B" first="Byung-Ho" last="Choi">Byung-Ho Choi</name><name sortKey="Feng Xuan" sort="Feng Xuan" uniqKey="Feng Xuan" last="Feng Xuan">FENG XUAN</name><name sortKey="Jeong, Seung Mi" sort="Jeong, Seung Mi" uniqKey="Jeong S" first="Seung-Mi" last="Jeong">Seung-Mi Jeong</name><name sortKey="Jingxu Li" sort="Jingxu Li" uniqKey="Jingxu Li" last="Jingxu Li">JINGXU LI</name><name sortKey="Kim, Han Sung" sort="Kim, Han Sung" uniqKey="Kim H" first="Han-Sung" last="Kim">Han-Sung Kim</name><name sortKey="Ko, Chang Yong" sort="Ko, Chang Yong" uniqKey="Ko C" first="Chang-Yong" last="Ko">Chang-Yong Ko</name><name sortKey="Lee, Seoung Ho" sort="Lee, Seoung Ho" uniqKey="Lee S" first="Seoung-Ho" last="Lee">Seoung-Ho Lee</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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