L9 Osseous Surgery

Question 1

ostectomy

Answer 1

Removal of bone attached to the tooth

Question 2

Ostectomy indications (5)

Answer 2

Elimination of SHALLOW interndental craters
Intrabony defects
Horizontal bone loss w/ irregular height
Moderate to advanced furcation
Hemisepta

Question 3

Ostectomy advantages and disadvantages

Answer 3

Advantages:
predicatble pocket elimination
Architecture
Prosthetics
Disadvantages:
Loss of attachment, esthetics, root sensit

Question 4

Osteoplasty

Answer 4

Reshape alveolar process w/o removing alveolar bone proper (only remove bone on facial surface, not attached to pdl)\

Question 5

Ostectomy vs osteoplasty

Attachment loss

Answer 5

Ostectomy: attachment loss, shallow craters
Osteoplasty: no attachment loss

Question 6

Osteoplasty indications

Answer 6

Tori reduction
Intrabone defects next to edentulous ridge
Shallow osseous craters
Incipient furcations

Question 7

Steps in osseous resective surgery

Answer 7

Interdental craters
Vertical grooving (ostectomy)
Blending (osteoplasty)
Gradualizing marginal bone

Question 8

How deep can the crater be for you to resect?

Answer 8

2mm (if more, use regeneration)

Question 9

Most predictable long term pocket reduction

Answer 9

Osseous surgery