Decoronation & Pontic Preservation

Dr. Eason Chen


remove crown&post / 21 cervical root resorption

decoronation / 2mm beyond gingival margin

right after decoronation pontic for maintaining soft tissue architecture

2 weeks later soft tissue creeped

Atraumatic Extraction

bone graft packing into extraction socket

right after root extraction and bone grafting pontic for maintaining soft tissue architecture

3 months after root extraction ridge preservation with bone graft

8 months after root extraction

The day before implant placement

1. Tissue punch and implant placement

2. Immediate Provisionalization​

1 week after implant placement

tissue conditioning

3 months after implant placement


ct scan


Eason Chen D.D.S.


National Yang-Ming University, Dentistry 1998-2004

University of California, Los Angeles, Periodontics Preceptorship 2011-2012

Case presentation:

Diagnosis: cervical root resorption

Treatment plan:optimize ridge preservation using pontic, atraumatic extraction and bone graft,restore with single implant restoration