Wear resistance of indirect composite resins used for provisional restorations supported by implants

Akimasa Tsujimoto, Carlos Alberto Jurado, Jose Villalobos-Tinoco, Wayne W. Barkmeier, Nicholas Fischer, Toshiki Takamizawa, Mark A. Latta, Masashi Miyazaki

Research output: Contribution to journalArticle

Abstract

PURPOSE. The aim of this study was to investigate simulated localized and generalized wear of indirect composite resins used for implant supported provisional restorations. MATERIALS AND METHODS. The study investigated ten indirect composite resins. Two kinds of wear were simulated by 400,000 cycles in a Leinfelder- Suzuki (Alabama) machine. Localized wear was simulated with a stainless-steel ball bearing antagonist and generalized with a flat-ended stainless-steel cylinder antagonist. The tests were carried out in water slurry of polymethyl methacrylate beads. Wear was measured using a Proscan 2100 noncontact profilometer in conjunction with Proscan and AnSur 3D software. RESULTS. Both localized and generalized wear were significantly different (P < .05) among the indirect composite resins. SR Nexco and Gradia Plus showed significantly less wear than the other indirect composite resins. The rank order of wear was same in both types of wear simulation. CONCLUSION. Indirect composite resins are recommended when a provisional implantsupported restoration is required to function in place over a long period. Although only some indirect composite resins showed similar wear resistance to CAD/CAM composite resins, the wear resistance of all the indirect composite resins was higher than that of bis-acryl base provisional and polymethyl methacrylate resins.

Original languageEnglish (US)
Pages (from-to)232-238
Number of pages7
JournalJournal of Advanced Prosthodontics
Volume11
Issue number4
DOIs
StatePublished - Aug 1 2019

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Composite Resins
Stainless Steel
Polymethyl Methacrylate
Computer-Aided Design
Software
Water

All Science Journal Classification (ASJC) codes

  • Oral Surgery
  • Dentistry (miscellaneous)

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Wear resistance of indirect composite resins used for provisional restorations supported by implants. / Tsujimoto, Akimasa; Jurado, Carlos Alberto; Villalobos-Tinoco, Jose; Barkmeier, Wayne W.; Fischer, Nicholas; Takamizawa, Toshiki; Latta, Mark A.; Miyazaki, Masashi.

In: Journal of Advanced Prosthodontics, Vol. 11, No. 4, 01.08.2019, p. 232-238.

Research output: Contribution to journalArticle

Tsujimoto, Akimasa ; Jurado, Carlos Alberto ; Villalobos-Tinoco, Jose ; Barkmeier, Wayne W. ; Fischer, Nicholas ; Takamizawa, Toshiki ; Latta, Mark A. ; Miyazaki, Masashi. / Wear resistance of indirect composite resins used for provisional restorations supported by implants. In: Journal of Advanced Prosthodontics. 2019 ; Vol. 11, No. 4. pp. 232-238.
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