Provisional RPDs are 5 years old.  Before fabricating permanent RPDs, nonsalvageable teeth, for example #22, should be extracted  and replaced with an implant with ball abutment (Fig.2).  Yellow dashed line: Incisive Canal.  The bone loss at #24 is severe.  Although the bone loss at #28 is extensive, the tooth is stable.

Dentophobic Last Next

Xin Wei, DDS, PhD, MS 1st edition 07/16/2018, last revision 08/16/2018