Maxillary midline diastema closure with sectional feldspathic porcelain veneers: A case series followed 1 to 4 years.

OBJECTIVE To evaluate clinical outcome of maxillary midline diastema closure using sectional feldspathic porcelain veneers up to 4 years. MATERIALS AND METHODS Five female patients with stable maxillary midline diastema were included in the current study and restored with minimal invasive sectional feldspathic porcelain veneers under dental microscope. Esthetic, functional, as well as biologic properties of sectional veneers were evaluated according to the World Dental Federation (FDI) criteria after 1 to 4 years' follow-up. RESULTS Based on FDI criteria, all five cases were evaluated as clinically excellent to satisfactory during a mean observation period of 26.4 months. Slight to moderate cervical marginal staining was observed in two cases after 3 to 4 years' follow-up. Slight white line or ditching of labial surface margin was found in most cases, but it is not easy to be noticed with saliva covering the margins. CONCLUSIONS Sectional feldspathic porcelain veneers presented satisfying clinical outcome with potential long-term esthetic risk for maxillary midline diastema closure. CLINICAL SIGNIFICANCE 1. Sectional feldspathic porcelain veneers presented satisfying short to medium term clinical performance when applied to close maxillary midline diastema. 2. The exposure of labial surface margin may increase a long-term potential esthetic risk.

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