One Year Clinical Evaluation of IPS Empress CAD Versus Polished Celtra Duo Ceramic Laminate Veneers

Inclusion Criteria: All subjects are required to be: 1. From 18-50 years old, be able to read and sign the informed consent document. 2. Have no active periodontal or pulpal diseases, have teeth with good restorations 3. Psychologically and physically able to tolerate conventional dental procedures 4. Patients with teeth problems indicated for laminate veneer: 1. Discoloration 2. Fracture not involving more than 50% enamel loss 3. Mild malposition 4. Diastema 5. Enamel fluorosis 6. Stained or defective restorations 5. Able to return for follow-up examinations and evaluation Exclusion Criteria: 1. Patient with post and core endodontically treated teeth 2. Patient with fractured teeth of more than 50% enamel loss 3. Patients with poor oral hygiene and motivation 4. Pregnant women's 5. Patients in the growth stage with partially erupted teeth 6. Psychiatric problems or unrealistic expectations 7. Lack of opposing dentition in the area of interest 8. Patients involved in contact sports 9. Teeth with deep discoloration