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  • Title: The application of individualized abutment-crown integrated provisional restoration in optimizing the peri-implant soft tissue contour in the esthetic zone.
    Author: Zhuang J, Wang Y, Song Y, Qu F, Xu C.
    Journal: J Esthet Restor Dent; 2021 Jun; 33(4):560-566. PubMed ID: 33682306.
    Abstract:
    OBJECTIVE: This article introduced a modified method to fabricate an individualized abutment-crown integrated provisional restoration for single-tooth implant restoration in the esthetic zone, which created a satisfactory peri-implant soft tissue architecture. CLINICAL CONSIDERATIONS: Three months after the implant placement, the individualized abutment-crown integrated provisional restoration was designed and fabricated in the laboratory, by referring to the profile of natural contra-lateral tooth digitally, and seated on the implant afterwards. The peri-implant soft tissue architecture was evaluated and the Pink Esthetic Score (PES) was recorded. The provisional restoration stayed on the implant for 3 months until the individualized definitive ceramic abutment and crown were fixed on the implant. CONCLUSIONS: This protocol provided an alternative solution for shaping the peri-implant soft tissue morphology in the esthetic zone by using an individualized abutment-crown integrated provisional restoration and showed promising effect on the esthetics of anterior single-tooth implant restoration. CLINICAL SIGNIFICANCE: The individualized abutment-crown integrated provisional restoration whose emergence profile mirroring that of the natural contra-lateral tooth, was designed with the help of computer-aided design-manufacture (CAD/CAM). It may help shaping the peri-implant soft tissue in the esthetic zone with merits of saving amount of hand labor of technicians as well as clinicians, and reducing the visits of patients.
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