Osseous Defects

Question 1

osseous defects

Answer 1

clinically termed infrabony defects (pockets), intraosseous defects or intrabony defects

Question 2

how does osseous defects appear on radiographics?

Answer 2

angular bone defects (also known as vertical bone loss)

Question 3

how are osseous defects categorized clinically?

Answer 3

by the number of remaining walls

Question 4

how else are osseous defects classified?

Answer 4

1. deep vs shallow

2. narrow vs wide

Question 5

which osseous defect has the best chance for fill following regenerative perio surgery?

Answer 5

deep, narrow three-walled osseous defect

Question 6

which defect has no chance for fill?

Answer 6

shallow, wide 1 walled defect

Question 7

bony dehiscence

Answer 7

buccal or lingual bone is partially absent (but may still have attachment)

Question 8

fenestration

Answer 8

window in the bone

Question 9

regarding different osseous defects, which is the most common one?

Answer 9

crater (has 2 remaining walls - buccal and lingual)

Question 10

hemiseptal defect

Answer 10

one wall on the proximal

termed hemiseptal because it appears that one half of the septum is intact

Question 11

moat defect (also called continuous one-walled defect and a circumferential defect)

Answer 11

osseous defects completely around tooth

Question 12

interdental crater

Answer 12

two-walled defect (buccal and lingual walls)

Question 13

what is the most common osseous defect?

Answer 13

interdental crater

Question 14

what are the most common bony defects?

Answer 14

interproximal craters

Question 15

what does interproximal craters represent

Answer 15

perio disease progression