Effects of Mucosal Thickness on the Stress Distribution and Denture Stability of Mandibular Implant-Supported Overdentures with Unsplinted Attachments In Vitro
Identifieur interne : 004241 ( Main/Merge ); précédent : 004240; suivant : 004242Effects of Mucosal Thickness on the Stress Distribution and Denture Stability of Mandibular Implant-Supported Overdentures with Unsplinted Attachments In Vitro
Auteurs : Asuka Haruta [Japon] ; Yasuyuki Matsushita [Japon] ; Yoshihiro Tsukiyama [Japon] ; Yoshinori Sawae [Japon] ; Nobuo Sakai [Japon] ; Kiyoshi Koyano [Japon]Source :
- Journal of Dental Biomechanics [ 1758-7360 ] ; 2011.
Abstract
The aim of this study was to compare the effects of mucosal thickness on the stress pattern around implants and movement of implant-supported overdentures with ball/female and three different types of magnetic attachments. After insertion of two root-form implants into a mandibular model, the surface of the model was covered with a 1.5- or 3-mm layer of impression material to simulate the oral mucosa, and removable overdentures were fabricated on each model. A 50-N vertical force was applied to the right first molar, and the resultant stress distribution and denture movement were measured. In the 1.5-mm mucosal model, the magnetic attachments showed significantly lower bending moments than did the ball attachment. The denture base displacement was the lowest on a magnetic attachment. In this study, use of magnetic attachments could be advantageous for mandibular implant-supported overdentures based on lower stress and better denture stability especially in the thin mucosal model.
Url:
DOI: 10.4061/2011/894395
PubMed: 21799705
PubMed Central: 3138049
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Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582</wicri:regionArea><orgName type="university">Université de Kyūshū</orgName><placeName><settlement type="city">Fukuoka</settlement><region type="province">Kyūshū</region><region type="prefecture">Préfecture de Fukuoka</region></placeName></affiliation></author><author><name sortKey="Sawae, Yoshinori" sort="Sawae, Yoshinori" uniqKey="Sawae Y" first="Yoshinori" last="Sawae">Yoshinori Sawae</name><affiliation wicri:level="4"><nlm:aff id="I2">Department of Intelligent Machinery and Systems, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Intelligent Machinery and Systems, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395</wicri:regionArea><orgName type="university">Université de Kyūshū</orgName><placeName><settlement type="city">Fukuoka</settlement><region type="province">Kyūshū</region><region type="prefecture">Préfecture de Fukuoka</region></placeName></affiliation></author><author><name sortKey="Sakai, Nobuo" sort="Sakai, Nobuo" uniqKey="Sakai N" first="Nobuo" last="Sakai">Nobuo Sakai</name><affiliation wicri:level="4"><nlm:aff id="I2">Department of Intelligent Machinery and Systems, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Intelligent Machinery and Systems, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395</wicri:regionArea><orgName type="university">Université de Kyūshū</orgName><placeName><settlement type="city">Fukuoka</settlement><region type="province">Kyūshū</region><region type="prefecture">Préfecture de Fukuoka</region></placeName></affiliation></author><author><name sortKey="Koyano, Kiyoshi" sort="Koyano, Kiyoshi" uniqKey="Koyano K" first="Kiyoshi" last="Koyano">Kiyoshi Koyano</name><affiliation wicri:level="4"><nlm:aff id="I1">Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan</nlm:aff><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582</wicri:regionArea><orgName type="university">Université de Kyūshū</orgName><placeName><settlement type="city">Fukuoka</settlement><region type="province">Kyūshū</region><region type="prefecture">Préfecture de Fukuoka</region></placeName></affiliation></author></analytic><series><title level="j">Journal of Dental Biomechanics</title><idno type="eISSN">1758-7360</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>The aim of this study was to compare the effects of mucosal thickness on the stress pattern around implants and movement of implant-supported overdentures with ball/female and three different types of magnetic attachments. After insertion of two root-form implants into a mandibular model, the surface of the model was covered with a 1.5- or 3-mm layer of impression material to simulate the oral mucosa, and removable overdentures were fabricated on each model. A 50-N vertical force was applied to the right first molar, and the resultant stress distribution and denture movement were measured. In the 1.5-mm mucosal model, the magnetic attachments showed significantly lower bending moments than did the ball attachment. The denture base displacement was the lowest on a magnetic attachment. In this study, use of magnetic attachments could be advantageous for mandibular implant-supported overdentures based on lower stress and better denture stability especially in the thin mucosal model.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Feine, Js" uniqKey="Feine J">JS Feine</name></author><author><name sortKey="Carlsson, Ge" uniqKey="Carlsson G">GE Carlsson</name></author><author><name sortKey="Awad, Ma" uniqKey="Awad M">MA Awad</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Macentee, Mi" uniqKey="Macentee M">MI MacEntee</name></author><author><name sortKey="Walton, Jn" uniqKey="Walton J">JN Walton</name></author><author><name sortKey="Glick, N" uniqKey="Glick N">N Glick</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Meijer, Hja" uniqKey="Meijer H">HJA Meijer</name></author><author><name sortKey="Raghoebar, Gm" uniqKey="Raghoebar G">GM Raghoebar</name></author><author><name sortKey="Van Hof, Ma" uniqKey="Van Hof M">MA Van ’t Hof</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Mericske Stern, R" uniqKey="Mericske Stern R">R Mericske-Stern</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Naert, I" uniqKey="Naert I">I Naert</name></author><author><name sortKey="Alsaadi, G" uniqKey="Alsaadi G">G Alsaadi</name></author><author><name sortKey="Quirynen, M" uniqKey="Quirynen M">M Quirynen</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Bergendal, T" uniqKey="Bergendal T">T Bergendal</name></author><author><name sortKey="Engquist, B" uniqKey="Engquist B">B Engquist</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Porter, Ja" uniqKey="Porter J">JA Porter</name></author><author><name sortKey="Petropoulos, Vc" uniqKey="Petropoulos V">VC Petropoulos</name></author><author><name sortKey="Brunski, Jb" uniqKey="Brunski J">JB Brunski</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Tokuhisa, M" uniqKey="Tokuhisa M">M Tokuhisa</name></author><author><name sortKey="Matsushita, Y" uniqKey="Matsushita Y">Y Matsushita</name></author><author><name sortKey="Koyano, K" uniqKey="Koyano K">K Koyano</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Gillings, Br" uniqKey="Gillings B">BR Gillings</name></author><author><name sortKey="Samant, A" uniqKey="Samant A">A Samant</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Jackson, Tr" uniqKey="Jackson T">TR Jackson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Van Kampen, F" uniqKey="Van Kampen F">F Van Kampen</name></author><author><name sortKey="Cune, M" uniqKey="Cune M">M Cune</name></author><author><name sortKey="Van Der Bilt, A" uniqKey="Van Der Bilt A">A Van Der Bilt</name></author><author><name sortKey="Bosman, F" uniqKey="Bosman F">F Bosman</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Terakura, T" uniqKey="Terakura T">T Terakura</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Ichikawa, T" uniqKey="Ichikawa T">T Ichikawa</name></author><author><name sortKey="Horiuchi, M" uniqKey="Horiuchi M">M Horiuchi</name></author><author><name sortKey="Wigianto, R" uniqKey="Wigianto R">R Wigianto</name></author><author><name sortKey="Matsumoto, N" uniqKey="Matsumoto N">N Matsumoto</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Gonda, T" uniqKey="Gonda T">T Gonda</name></author><author><name sortKey="Ikebe, K" uniqKey="Ikebe K">K Ikebe</name></author><author><name sortKey="Ono, T" uniqKey="Ono T">T Ono</name></author><author><name sortKey="Nokubi, T" uniqKey="Nokubi T">T Nokubi</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Patterson, Ea" uniqKey="Patterson E">EA Patterson</name></author><author><name sortKey="Burguete, Rl" uniqKey="Burguete R">RL Burguete</name></author><author><name sortKey="Thoi, Mh" uniqKey="Thoi M">MH Thoi</name></author><author><name sortKey="Johns, Rb" uniqKey="Johns R">RB Johns</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Assuncao, Wg" uniqKey="Assuncao W">WG Assunçao</name></author><author><name sortKey="Barao, Var" uniqKey="Barao V">VAR Barao</name></author><author><name sortKey="Tabata, Lf" uniqKey="Tabata L">LF Tabata</name></author><author><name sortKey="De Sousa, Eac" uniqKey="De Sousa E">EAC de Sousa</name></author><author><name sortKey="Gomes, Ea" uniqKey="Gomes E">EA Gomes</name></author><author><name sortKey="Delben, Ja" uniqKey="Delben J">JA Delben</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Horisaka, M" uniqKey="Horisaka M">M Horisaka</name></author><author><name sortKey="Maeda, Y" uniqKey="Maeda Y">Y Maeda</name></author><author><name sortKey="Sogo, M" uniqKey="Sogo M">M Sogo</name></author><author><name sortKey="Okada, M" uniqKey="Okada M">M Okada</name></author></analytic></biblStruct></listBibl></div1></back></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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