This is 71 year old male that required extraction of lower left second molar. The adjacent third molar (wisdom tooth) was periodontally involved. A coronectomy was done to remove the superficial portion of the tooth only. Healthy roots can be left in the bone, instead of destroying the jaw.
Before:
After:
We don’t always see patients like this again. This is 10 year follow up on coronectomy. The roots are healthy and completely encased in bone.