Prosthetic Platforms in Implant Dentistry
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Pita, Murillo Sucena
Anchieta, Rodolfo Bruniera [UNESP]
Ricardo Barao, Valentim Adelino [UNESP]
Garcia, Idelmo Rangel [UNESP]
Assunção, Wirley Goncalves [UNESP]
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Lippincott Williams & Wilkins
The use of implant-supported prosthesis to replace missing teeth became a predictable treatment. Although high success rate has been reported, implant treatment is suitable to complications, failures, and limitations such as peri-implant bone loss after implant loading. Stress evaluation on the bone-abutment-implant interface has been carried out to develop new designs of prosthetic platform and to understand the stress distribution in this interface. Several types of prosthetic platforms are available such as external and internal hexagon, Morse cone connection, and the concept of platform switching. Therefore, this study aimed to critically describe the different options of prosthetic platforms in implant dentistry, by discussing their biomechanical concepts, clinical use, and advantages and disadvantages. It was observed that all types of prosthetic platforms provided high success rate of the implant treatment by following a strict criteria of indication and limitation. In conclusion, a reverse planning of implant treatment is strongly indicated to reduce implant overload, and the use of advanced surgical-prosthetic techniques is required to obtain a long-term success of oral rehabilitations.
Dental implants, prosthetic platforms, implant-supported dental prosthesis, biomechanics
Journal of Craniofacial Surgery. Philadelphia: Lippincott Williams & Wilkins, v. 22, n. 6, p. 2327-2331, 2011.