Alveolar bone defect
Conditions
Interventions
Temperature-sensitive hydroxybutyl chitosan loaded concentrated growth factor group:After the extraction of the blocked tooth, rinse the tooth socket with physiological saline, and embed a temperature
Collagen group:After completing the extraction of the blocked teeth, rinse the tooth socket with physiological saline, build collagen into the tooth socket, suture it intermittently, and bite the cott
Autologous bone group:Remove the autologous bone. After completing the extraction of the obstructive tooth, rinse the tooth socket with physiological saline, embed the autologous bone powder into the
Blank group:After completing the extraction of the blocked tooth, rinse the tooth socket with physiological saline, suture intermittently, and bite the cotton ball for 30 minutes to stop the bleeding.
Growth factor group:After the extraction of the obstructive tooth, rinse the extraction socket with physiological saline, extract the patients autologous blood to prepare the growth factor, place it i
Other groups:After the completion of the extraction of the blocked tooth, rinse the tooth socket with physiological saline, and put the materials selected by the patient after understanding the condit
Sponsors
Affiliated Stomatological Hospital of Fujian Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: (1) The preoperative CBCT imaging diagnosis meets the diagnostic criteria of low-level obstruction in Pell and Gregory classification of mandibul M3s, and is not in the acute inflammation period; (2) The same-sided mandibular M2s has a reserved value and has no indication for tooth extraction; (3) Informed consent, patients who agree to receive follow-up.
Exclusion criteria
Exclusion criteria: (1) Systemic diseases of the whole body, contraindications for tooth extraction surgery (2) It is known or suspected that there are currently malignant tumors; (3) Have a history of radiotherapy on the head and neck; (4) Have a history of chemotherapy within 5 years before surgery; (5) Smoke more than 15 cigarettes a day; (6) Test subjects who cannot provide informed consent for mental and neurological diseases or other reasons;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative bleeding condition;Postoperative pain condition;Postoperative swelling condition;Postoperative mouth opening range;Postoperative healing condition;The periodontal condition of the second molar after surgery;The condition of the second molar after surgery;The width and height of the postoperative alveolar bone; | — |
Countries
China
Contacts
Public ContactWu Ye
Affiliated Stomatological Hospital of Fujian Medical University
Outcome results
None listed