Indication and Contraindication of RPD
Introduction And Classification
Removable Partial Denture
Indications for RPD:
Muller De Van(1952):
1. Longer Edentulous Span:
Ante’s Law: the pericemental surface area of the abutment teeth to be used for a FPD must be equal to or exceed the pericemental surface area of the teeth being replaced.
2. Age: Below 17 yrs- large pulps & insufficient clinical crown ht. Old age: reduced life expectancy& frequent illness
3. Abutment: No posterior tooth RPD preferred
4. Periodontal Support: Poor, Splints remaining teeth
5. Cross Arch Stabilization: Major connectors provide against lateral & antero-post. forces & lateral or buccolingual
6. Aesthetics: Better, denture base-a natural tooth arising from gingiva & more life like appearance, phonetics & esthetic
7. Immediate Replacement & Reline: possible.
8. Physical & emotional problems
9. Patient Desire:
- to avoid operative procedure & economic reason
- large or multiple edent. spaces / insufficient abutments
- when canine and its two or more teeth missing
- tipped teeth to adjacent to edentulous space.
- short clinical crown
Contraindications of RPD:
1. Large tongue that push denture away
2. Mentally retarded patient who cannot maintain removable prosthesis
3. Poor oral hygiene