tooth defect
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patient inclusion criteria: (1) Willing to accept new post and core repair methods; (2) Willing and able to regularly review and follow-up; (3) Receive complete root canal treatment in the dental endodontics specialty; 2. Inclusion criteria for affected teeth: (1) The affected tooth is a single canal anterior tooth; (2) The tooth defect cannot be located under the gingiva, or the defect can be aligned with the gingiva or located on the gingiva after crown lengthening; (3) The root canal treatment has been completed for 2 weeks, and the root canal has no significant curvature, no symptoms such as pain and swelling, and no low-density imaging manifestations on X-ray films; (4) Sufficient root length to ensure that the pile crown ratio is at least 1:1, and the root tip is closed at least 3 mm; (5) There is no untreated periodontitis and looseness exceeding physiological mobility, alveolar bone resorption is limited to 1/3 of the root length, and the tooth is not an isolated tooth or an abutment tooth of FPD or RPD.
Exclusion criteria
Exclusion criteria: 1. Pregnant or lactating women; 2. Severe systemic diseases; 3. Acute inflammation and tumor of oral cavity and maxillofacial region; 4. Severe or progressive periodontal inflammation; 5. Internal and external absorption of the tooth root.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Clinical evaluation;Imaging evaluation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Patient subjective evaluation; | — |
Countries
China
Contacts
Peking University School and Hospital of Stomatology