Abstract
ObjectivesThis clinical case report describes the rehabilitation of central incisors with veneers in a patient with gingival asymmetry. The teeth were prepared without finish line, applying BOPT concepts to correct asymmetry, and obtained a harmoniously integrated restoration with optimal periodontal health.Clinical implicationsBiologically oriented preparation technique (vertical or “feather edge” preparation) was used to obtain gingival symmetry. Teeth were prepared without horizontal finish line to achieve correct emergence, soft tissue adaptation and stabilization, while maintaining biological space, both at the provisional restoration stage and later when definitive restorations were placed. To perform the technique correctly, it is essential to perform adequate periodontal diagnosis to verify the space available between the bone crest and the future margin of the restoration.ConclusionsIt is possible to correct gingival asymmetry by performing dental preparation without finish line providing a correct periodontal analysis is first performed, which will contribute to successful soft tissue stabilization.Clinical SignificanceBeyond of all the prosthodontic preparation techniques, knowledge of B.O.P.T. (Biological Oriented Preparation Technique) allows us to achieve predictable and consistent results in terms of periodontal health and gingiva architecture surrounding ceramic veneers. Nevertheless long term studies are necessary to ensure the benefits of this techniques. Key words:Gingival margin, emergence profile, biologically oriented preparation technique.
Highlights
The generalized demand for optimal esthetics in dental treatments involving prosthetic restorations can only be met through a detailed consideration of prosthetic, periodontal and esthetic factors
When the veneers were cemented in place, gingival symmetry and correct integration of the restorations were observed, which were maintained at the one-year follow-up, when gingival health and gingival thickening were seen to have been generated by the new restorations without finish line
The treatment sequence was as follows: Dental preparation was performed with help from a silicon index taken from the diagnostic wax-up, preparing the teeth without horizontal finish line, respecting biological width and provoking intrasulcular de-epithelialization according to the Biologically Oriented Preparation Technique (BOPT) procedure proposed by Dr Ignazio Loi [5]
Summary
The generalized demand for optimal esthetics in dental treatments involving prosthetic restorations can only be met through a detailed consideration of prosthetic, periodontal and esthetic factors. As an alternative to conventional treatment, the use of Biologically Oriented Preparation Technique (BOPT) for applying ceramic veneers in the anterior regions facilitates periodontal tissue management and symmetry.
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