Impacted mandibular third molar
Conditions
Interventions
Dentin particles group :Implant dentin particles after orthodontic extraction of mandibular third molar coronectomies
Tricalcium phosphate group:Implant tricalcium phosphate after orthodontic retraction of mandibular third molar coronectomies
Control group:No implants after orthodontic retraction of mandibular third molar coronectomies
Sponsors
Peking University School and Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
20 Years to 45 Years
Inclusion criteria
Inclusion criteria: a) Patients with mesial/horizontal impacted mandibular third molars with CBCT showing that the lowest point of the distal bony defect of second molar is lower than apical 1/3 of the root; b) Male or female who are not in pregnancy, breastfeeding, or menstrual period ranging from 20~45 years old.
Exclusion criteria
Exclusion criteria: a) Acute inflammation or any contraindications to tooth extraction; b) Patients with dental pulp apex disease and periodontal disease; c) Those who have systemic diseases or need to take drugs regularly; d) Poor compliance and unable to cooperate to complete the trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| DICOM data in the operation area; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of postoperative complications;Quantitative sensory testing date of the lateral mental foramen area of the affected side; | — |
Countries
China
Contacts
Public ContactCui Nianhui
Peking University School and Hospital of Stomatology
Outcome results
None listed