Periodontal Osseous Resective Surgery
Write short note on osteoplasty and ostectomy.
Answer.
Osteoplasty
Osteoplasty refers to reshaping the bone without removing tooth supported bone.
In osseous resective surgery vertical blending and radicular grooving are the osteoplasty procedures.
Osteoplasty Indications
- For removing exostosis.
- For tori reduction.
- In early grade I furcation lesion.
- To contour alveolar ridge to make room for pontics.
- In open furcation in tunneling procedure.
Ostectomy
Ostectomy refers to the removal of tooth supporting bone.In osseous resective surgery flattening of interproximal bone and gradualizing marginal bone are the ostectomy steps.
Ostectomy Indications
- In crown lengthening.
- In exposure of sound dentin which is apical to dental caries or fractures.
- In opening interradicular spaces for treatment of furcation involvement.
- In horizontal bone loss with irregular margins.
- In hemiseptum defects.
- To eliminate interdental craters.
Ostectomy Contraindications
- In extended tooth mobility.
- Esthetic limitations such as high smile line.
- In areas of insufficient remaining bone.
- Presence of more than 8 mm infrabony pockets or bone loss which extends more than one half of the root length.
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