3M(TM) Filtek(TM) Supreme Flowable Composites for Class IV and Veneers

Inclusion Criteria: * Age between 18 -75 years old * must be willing and able to provide informed consent to participate in the study * must be available for the required post-operative follow-up study visits * must be in good general health * must be in good oral health hygiene (FMPS \< 20%) * have at least 6 anterior maxillary teeth * Central and lateral incisors with class IV or Veneer indications. Veneers will be performed exclusively with its contralateral teeth (pairs). Exclusion Criteria: * Single tooth veneers * Canines * Periodontal disease * Pulpal diseases * Occlusal dysfunctions (end-to-end bite) * Lack of occlusal stability * Missing posterior teeth, affecting the occlusal distribution * Study tooth, adjacent tooth, or opposing tooth with mobility \> grade 2 using the Miller's tooth mobility index * Systemic or local disorders that contra-indicate the dental procedures needed in this study * Rampant, uncontrolled caries * Heavy use of smoking tobacco (1 pack or equivalent a day) or chewing tobacco * Evidence of xerostomia * Evidence of severe bruxing or clenching, or in need of Temporomandibular Joint (TMJ) related therapy * Known allergic reaction and/or sensitivity to research materials being used * Condition or history of chronic use of anti-inflammatory, analgesic (pain), and/or mind altering drugs for medical (including psychiatric) and pharmacotherapeutic therapies that might alter the perception of pain * Tooth surface loss (attrition, erosion, abrasion…