2.2. Methods
tooth loss, tooth
DISEASE
After admission, patients in both groups underwent routine oral examinations with X-ray system (Sirona, Bensheim, Germany), and curved tomography and cephalometric films were taken by experienced radiologists. Alveolar bone condition, area of tooth loss, inclination of tooth axis, shape of dental arch, residual teeth, pressure of tooth and groove of the patients were checked, and the periodontal and pulp disease were treated. Dental models were made according to the patient’s tooth root and alveolar bone condition, and treatment protocols were designed after full communication with the patients.