›› 2021, Vol. 41 ›› Issue (8): 755-760.

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Research progress of the biologically oriented preparation technology

Yi-Fei SHI1,   

  • Received:2020-09-24 Revised:2020-11-10 Online:2021-08-28 Published:2021-08-28

Abstract: Stabilizing the gingiva margin of the fixed dentures and the implant dentures to avoid gingiva recession is one of the keys to maintaining the long-term effect of aesthetic restoration. Loi proposed the biologically oriented preparation technology (BOPT) in 2008, which can be applied to both fixed dentures and implant dentures in order to thicken the gingiva tissue around the prosthesis, playing an important role in the stability of the gingiva margin. This paper reviews the application and efficacy evaluation of BOPT in both fixed dentures and implant dentures.

Key words: biologically oriented preparation technology, vertical tooth preparation, dental implant, gingiva shaping

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