Clinical Research Directory

Inclusion Criteria: 1. Adult patients requiring full coverage crowns in aesthetic zone 2. Age ≥ 21 years 3. Vital or endodontically treated teeth 4. Willing and able to provide written informed consent 5. Ability to attend all follow-up appointments 6. Adequate oral hygiene as determined by the investigator Exclusion Criteria: 1. Patients with active periodontal disease (probing depth \> 4mm, bleeding on probing) 2. Patients with parafunctional habits (e.g., bruxism confirmed by clinical examination) 3. Poor oral hygiene (plaque index \> 30%) 4. Systemic diseases affecting treatment outcomes (e.g., uncontrolled diabetes, immunosuppression) 5. Known allergies to study materials (ceramic materials, or resin cement components) 6. Inability to comply with study requirements 7. Current participation in other dental clinical trials