RESUMO
STATEMENT OF PROBLEM: The process of removing ceramic veneers is difficult, time consuming, and invasive. However, although lasers should provide a straightforward method for the debonding of ceramic veneers, a systematic review is lacking. PURPOSE: The purpose of this systematic review and meta-analysis was to investigate the efficacy of the laser-assisted debonding of ceramic veneers. MATERIAL AND METHODS: A systematic search was conducted in Medline/PubMed, Cochrane, Scopus, and Web of Science databases. Then, an analysis was performed using the meta-analysis approach to investigate the efficacy of the laser-assisted debonding of ceramic veneers. Quality assessment of the included articles was carried out using the Cochrane Collaboration tool. For the meta-analysis, the RevMan 5.4 software program was used to perform a random-effects model of standardized mean differences with 95% confidence intervals. RESULTS: A total of 1108 studies were identified, of which 627 studies were selected for title and abstract analysis. The qualitative analysis included 16 studies, of which 3 studies were used in the quantitative synthesis. In the meta-analysis, the shear bond strength of the laser groups was compared with that of the control group. A substantial level of heterogeneity was noted in the included studies (I2=67%, P<.001). CONCLUSIONS: The findings suggest that erbium lasers have a significant immediate effect in decreasing the shear bond strength of ceramic veneers. Furthermore, with proper laser settings, veneers can be safely removed without damaging the underlying tooth structure.
RESUMO
Recently, improvement of appearance and a quest for beauty have become a primary concern for patients. It is a challenging task for a clinician to achieve esthetic integration of prosthetic pieces for anterior teeth, particularly for highly demanding patients who give attention to particular details. The challenge is harder when only one tooth has to be restored. The objective is to achieve a fully and perfectly integrated rehabilitation with natural dentition. Poorly described, facial line angles are key to the success of achieving the desired tooth shape, especially for the maxillary central incisor. They influence both the shape and color of the tooth through optical illusion. Their misplacement could certainly spoil the esthetic outcome. Thus, it is mandatory to respect and recreate them. The objective of the present study was to define and then to highlight their importance. It also aimed to give some tips on how to perfect the shape of prosthetic teeth through a clinical case of central incisor esthetic rehabilitation.
RESUMO
In recent years, patients' expectations are becoming higher in terms of esthetic dentistry. Having the ideal smile is becoming a purpose as the appearance of stars and famous persons have been undoubtedly improved through smile correction. Peg-shaped lateral incisors are a common dental form aberration which could distort the smile and may hamper patient psychology because of the smaller shape and size in disharmony with other teeth. Three-quarter ceramic veneers are a mini-invasive approach which could solve the esthetic problem of peg-shaped teeth and ensure patient's satisfaction. The present paper was about a clinical case with peg-shaped lateral incisors treated with three-quarter ceramic crowns. It would also highlight the preparation particularities.
