1, oral surgery: including tooth extraction, alveolar surgery, dental implants, etc.
2. Oral medicine: including dental caries, pulpitis, apical periodontitis, gingivitis, periodontitis, oral ulcers, oral odor, etc.
3. Restorative dentistry: including porcelain teeth, all-ceramic teeth, dental implants, etc.
4. Orthodontics: including teeth correction, invisible braces, etc.