Partial edentulous jaws
Conditions
Interventions
Group A and Group B:Approach of tooth preparation
Sponsors
Hu Chen
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Less than or equal to 3 teeth of single edentulous space in the posterior area. No isolated abutment tooth except that at the end of dentition. Abutment loosening less than I degree. Alveolar bone absorption is less than 1/3. Remaining teeth had no pulp disease or perfect treatment, no bad prosthesis. No periodontal disease or controlled by treatment.Mucosa is healthy. Patient has full autonomy in behavior and expression.
Exclusion criteria
Exclusion criteria: Single edentulous space is more than 3 teeth. In addition to the distal abutment tooth at the end of dentition, there were isolated abutment tooth in the dentition. Jaw and/or soft tissue defect; Abutment loosening was over I degree, alveolar bone absorption was over 1/3.Patients with mental diseases or unable to take care of themselves so as to easily swallow RPD by mistake.Chronic oral mucosal lesions, serious caries or periodontal diseases have not been controlled.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual Analogue Scale;3D compare analysis; | — |
Countries
China
Contacts
Public ContactHu Chen
Peking University Hospital of Stomatology
Outcome results
None listed