A 3-Year Clinical Evaluation Of Endocrown Restorations With Two Different Materials

Inclusion Criteria: * Good general health * Patients older than 18 * Teeth must receive endodontic therapy before restoration * The periodontal condition had to be stabilized before restoration * No subject complained of discomfort in teeth * Radiograph revealing alveolar bone resorption of less than a third and no shadow around the periapical tissues * Participants who provided writen informed consent were recruited in collaboration Exclusion Criteria: * Any teeth with microcracks or fracture lines * Affected teeth without completed root canal treatment * The defect was less than ¼ of crown or more than ¾ of the crown and the margin of the residual crown was more than 1 mm below the gingival level * Poor oral hygiene and periodontal status which persisted or worsened after periodontal therapy and education * Bruxism or clenching patients * Poor general health or pregnancy * Patients who have read the informed consent form and refused to be included in the study