Comparison in Marginal Adaptation Between Conventional and Gull Wing Preparation in Laminates Veneers

Inclusion Criteria: * From 18-40 years old, be able to read and sign the informed consent document. * Be physically and psychologically able to tolerate conventional restorative Procedures. * Have no active periodontal or pulpal diseases, have teeth with good restorations. * Patients with teeth problems indicated for laminate veneer (e.g:discoloration, fracture not involve more than 50% enamel loss, mild malposition. * Be willing to return for follow-up examinations and evaluation. Exclusion Criteria: * Patients in the growth stage with partially erupted teeth. * Patient with fractured teeth of more than 50% enamel loss. * Patients with poor oral hygiene and motivation. * Pregnant women. * Patient with post and core endodontically treated teeth. * Psychiatric problems or unrealistic expectations. * Lack of opposite occluding dentition in the area intended for restoration