Impacted tooth
Conditions
Interventions
Trial group:The complete extraction of impacted mandibular bone was accomplished under the tooth extraction guide plate
Control group:The complete mandibular bone impacted tooth extraction was routinely completed
Sponsors
Shanghai Xuhui District Dental Disease Prevention and Control Institute
Eligibility
Sex/Gender
All
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: 1.Completely impacted mandibular tooth. 2.The impacted tooth has clinical symptoms or needs to be extracted for orthodontic treatment. 3.CBCT shows that the tooth is horizontally or invertedly impacted, and the distance from the lowest point of the crown of the impacted tooth to the occlusal plane of the mandibular second molar is bigger than 15mm. 4.The mandibular first molar and second molar on the impacted side are intact. 5.Denial of systemic diseases.
Exclusion criteria
Exclusion criteria: 1.Limited mouth opening (the distance of the edges of the upper and lower incisors is less than 2.5mm). 2.CBCT shows the patient has jaw cysts or other lesions. 3.Patients allegic to materials such as resin.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Operation time;Damage to adjacent teeth;Intraoperative bleeding;Damage to soft tissues;Damage to lingual bone plates;Impacted tooth relocate to the lingual side or to the mandibular canal;Nerve injury;Ppostoperative bleeding;Postoperative pain;Postoperative swelling; | — |
Countries
China
Contacts
Public ContactBing Sun
Shanghai Xuhui District Dental Disease Prevention and Control Institute
Outcome results
None listed