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Title: | Biomechanics of implant-tooth supported prostheses: effects of mesiodistal implant angulation and mode of prosthesis connection |
Authors: | Bavbek, Andac Barkin Dogan, Arife Cehreli, Murat Cavit Ordu Üniversitesi |
Keywords: | Dental implants, Passive fit, Strain FIXED PARTIAL DENTURES, LEAST 5 YEARS, DENTAL IMPLANTS, COMPLICATION RATES, OBSERVATION PERIOD, NATURAL TEETH, IN-VITRO, RESTORATIONS, SURVIVAL, SUPERSTRUCTURES |
Issue Date: | 2011 |
Publisher: | WICHTIG PUBLISHING-MILAN |
Citation: | Bavbek, AB., Dogan, A., Çehreli, MC. (2011). Biomechanics of implant-tooth supported prostheses: effects of mesiodistal implant angulation and mode of prosthesis connection. J. Appl. Biomater. Biomech., 9(2), 118-126. https://doi.org/10.5301/JABB.2011.8565 |
Abstract: | Purpose: The purpose of this study was to explore the effects of implant angulation and its possible influence on prosthetic connection as regards implant/tooth strains in a combined implant and natural tooth abutment fixed partial denture. Methods: A natural tooth was embedded between vertically-aligned and 17 angulated implants in a polymethyl methacrylate acrylic resin model. Three designs (Group 1: tooth and vertically-aligned implant; Group 2: tooth and 17 angulated implant, Group 3: tooth and vertically-aligned implant having a different prosthetic connection to Group 1) of tooth-implant supported prostheses (n = 4) were fabricated. Strain gauges were bonded on the prostheses and on the approximal sides of the natural tooth abutment and implants. Once the test fixed partial dentures were seated, a static load of 150 N was applied to each prosthesis. During testing, strain-gauge signals were digitalized by a data acquisition system and this signal was stored and assessed with corresponding software at a sample rate of 10 KHz. Results: The data were then evaluated using Mann-Whitney U and Kruskal Wallis tests at 95% confidence level. Mesiodistal tilting of implants increased peri-implant strains in implant-tooth supported prostheses during torque-tightening and under load. The mode of prosthesis connection may affect strains within the prosthesis and natural tooth abutments, although its impact under static loading conditions seems negligible. Conclusions: This investigation suggests that mesiodistal tilting of implants may have a biomechanical effect in tooth-implant supported prostheses. |
Description: | WoS Categories: Biophysics; Engineering, Biomedical; Materials Science, Biomaterials Web of Science Index: Science Citation Index Expanded (SCI-EXPANDED) Research Areas: Biophysics; Engineering; Materials Science |
URI: | http://dx.doi.org/10.5301/JABB.2011.8565 https://www.webofscience.com/wos/woscc/full-record/WOS:000296704700005 http://earsiv.odu.edu.tr:8080/xmlui/handle/11489/5041 |
ISSN: | 1722-6899 1724-6024 |
Appears in Collections: | Protetik Diş Tedavisi |
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