Instruments
fracture, tooth
CBCT imaging system and image processing software (GalileosViewer, observation accuracy: < 10 μm, positioning accuracy: < 100 μm, senora, Germany); High-frequency electric knife (GD350-B, China). Shanghai), Computer-controlled Oral anaesthesia (STA, USA), 45° elevation angle surgical extraction turbine, long fracture drill for tooth extraction, minimally invasive tooth extraction surgical instrument kit and other Surgical extraction instruments, etc.