Oral and maxillofacial tissue defects
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Age between 18 and 50 years old, regardless of gender; (2) Affected teeth that need to be removed due to severe periodontitis; Probing depth >6mm; Loss of attachment =5 mm; Alveolar bone resorption exceeds 1/2 root length; The posterior teeth had root bifurcation lesions of degree ? and above. (3) There are at least 2 remaining bone walls, and the remaining height of the bone wall is =3mm; (4) The four follow-up points can be guaranteed to be complete (1 month, 3 months, 6 months, 1 year after surgery); (5) The presence of at least one adjacent tooth; (6) After periodontal basic treatment, can maintain good oral health condition. All patients agreed to participate in the experiment and have signed informed consent; (7) Patients with no obvious surgical contraindications.
Exclusion criteria
Exclusion criteria: (1) Allergic constitution; (2) The affected tooth is in the acute infection stage; (3) Have a history of systemic disease or infection; (4) Long-term use of corticosteroids, non-steroidal anti-inflammatory drugs, bisphosphonates and other related drugs that affect bone metabolism; (5) The patient is pregnant or preparing for pregnancy; (6) History of head and neck radiotherapy; (7) can not guarantee timely treatment, no partner; (8) There is a disease that has an impact on the test results; (9) Patients with mental illness.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The healing rate of tooth cavity defect;Overall quality control and tracking of the test; | — |
Secondary
| Measure | Time frame |
|---|---|
| Surgical area satisfaction; | — |
Countries
China
Contacts
Air Force Medical University