The idea of retaining the roots of teeth and putting a denture (overdenture) over them was first described over 150 years ago. The benefit of this technique is the significant reduction in bone loss vs. the complete removal of teeth.
Source: Ettinger R, Do Root Supported Overdentures Have a Good Prognosis in General Dental Practice?, Oral Health, March 2014, Vol 104, No 3, pg 22-26.
Hans Skariah, B.Sc., DMD
Promenade Court Dental
2233 Hurontario St., Mississauga, ON, Canada (905) 273-7100
43 Albert St. West, Unit 8, Plattsville, ON, Canada (226) 656-1000