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Writer's pictureDr. Chul Wan Park

Distal Extension Removable Partial Denture with implant-supported surveyed FPD

Situation


Patient Information

A 75-year-old male patient presented with hypertension and diabetes mellitus. The patient also presented with retained roots on #14, 13, 22, 23 which had been used as abutments for RPD. Remained 3 unit FPD on #12-X-21 was mobile, and all of the remained upper teeth were non-restorable.



Pre-operative View



Initial photos show that extraction of retained roots on #14, 13, 22, 23 was done.



Treatment Planning

- Distal Extension Removable Partial Denture for upper posterior teeth

- Implant placement on #14, 13, 11, 23, 24

- Implant-supported surveyed FPD on #14-13-X-11-X-X-23-24

 

Implant placement & GBR on #13, 14, 23, 24 was planned.

All of implants are Neobiotech IS-II 4.0*10mm.



Allograft (ICB cortical) and collagen membranes were used for GBR. The autogenous bone was harvested using ACM drill.




Implant placement & GBR procedure on #23,24

Panoramic view after implant placement on #13, 14, 23, 24.

Uncovery of implants was done after 4 month.

Extraction of remained FPD on #12-X-21 & delivery of provisional restoration on #14-13-X-X-X-X-23-24 was done afterward.

Finally, implant placement on #11 was done. Since there was severe bone resorption on the labial side, implant was placed intentionally on the palatal bone

PA view of IS-II implant on # 11

Metal frame was cut and joined to get passive fitting.

Design of implant-supported surveyed FPD

Design of RPD