15. Oral Hygiene Assessment: Soft And Hard Deposits

Question 0

5 steps of biofilm formation

Answer 0

1. Free swimming bacterial cells alight on a surface, arrange themselves in clusters and attach
2. Collected cells begin producing a gooey matrix
3. Cells signal one another to multiply and form a colony
4. Chemical gradients arise and promote coexistence of diverse species and metabolic states
5. Some cells return to their free-living form and escape, perhaps to form new biofilms

Question 1

Soft and hard dental deposits are assessed according to: ___,___, and___.

Answer 1

Location (sub/supra)
Amount (slight/mod/heavy)
Extent and distribution (gen/local)

Question 2

Purpose of disclosing agents

Answer 2

Used to make oral biofilm clinically visible

Question 3

Examples of intrinsic tooth stains

Answer 3

Dental fluorosis
Tetracycline stain
Hypocalcification
Demineralization

Question 4

Dental calculus

Answer 4

(Tartar) Oral biofilm that has been mineralized by calcium and phosphate salts from saliva

Question 5

Calculus is the causative factor in periodontal infection. T/F?

Answer 5

False.
Not the causative factor,
It does facilitate the attachment and retention of plaque biofilm

Question 6

Mineralization of calculus can begin within __-__ __

Answer 6

24-48 hours

Question 7

Heavy calculus formers have higher salivary concentrations of ___ and ___ than light formers.

Answer 7

Calcium and phosphate

Question 8

Light calculus formers have higher levels of ___, a known inhibitor of calcification used in anti calculus dentifrice

Answer 8

Pyrophosphate

Question 9

Dental index

Answer 9

Data collection tool that allows the practitioner to convert specific clinical observations into numerical values.