Optimizing smile composition and esthetics with resin composites and other conservative esthetic procedures.

Numerous esthetic deficiencies may be present in natural, restored, or orthodontically enhanced smiles. The most frequent defects are transposed anterior teeth following aplasia, existing or remaining diastemas, form abnormalities and discolorations, abrasion, erosion, and dysplasia. Conservative treatment modalities such as enamel recontouring, bleaching, microabrasion, and resin composites have the potential to correct or improve esthetic problems. These treatments deserve more attention because they have tremendously improved in practicability, efficiency, and predictability. The search for a perfect smile should not always lead to invasive solutions such as veneers and crowns, since invasive treatments may have a negative impact on the long-term tooth biomechanical behavior and global treatment cost. This article discusses the treatment rationale for the use of nonrestorative and additive procedures and their respective indications in a comprehensive approach to dental esthetics.