Chapter 16

Question 1

most important LOCAL contributing factor for perio disease

Answer 1

Calculus

Question 2

Disease site

Answer 2

individual tooth or specific surfaces of a tooth that are experiencing periodontal disease

Question 3

Do local contributing factors initiate perio disease

Answer 3

NO! biofilm does

Question 4

3 ways local contributing factors increase risk of disease

Answer 4

o increase biofilm retention (rough edge on restoration- overhang “plaque trap”)
o increase biofilm pathogenicity (biofilm-covered calculus deposits)
o cause direct damage to periodontium (heavy chewing forces on a tooth)

Question 5

most important local etiological (cause) factor

Answer 5

Biofilm

Question 6

2 mineralized bacterial plaque

Answer 6

CAlcium and phosphate sales

Question 7

what 2 ducts are near most abundant supragingival calc

Answer 7

Whartons and Stensons

Question 8

Most abundant crystal in inorganic component of CALCULUS

Answer 8

• Hydroxyapatite (58%) –Ca apatite