Moisture Control

Question 1

Parotid gland

Answer 1

Largest gland for saliva production
Duct opens into upper sulcus opposite second molar
Less viscous saliva

Question 2

Submandibular gland

Answer 2

Second largest
Duct opens in the mid line beside lingual frenum
Viscous saliva

Question 3

Sublingual gland

Answer 3

Smallest
Floor of the mouth
Very viscous saliva

Question 4

Reasons to maintain moisture

Answer 4

Patient
Patient airway
Keep patient comfortable

Dentist
Visibility for operator
Avoid moisture contamination by keeping operative site dry
Avoid uncontrolled loss of material
Minimise dental aerosol

Question 5

Gingival crevicular fluid

Answer 5

Produced from, crevice between gingiva and tooth

Question 6

Moisture control methods
Absorbent materials

Answer 6

Cotton wool rolls, cellulose pad, retraction cord, astringents

Question 7

More on Retraction cord

Answer 7

Epinephrine and aluminum chloride
Promotes haemostasis so bleeding control

Question 8

Rubber dam

Answer 8

Isolate tooth so improve operator vision
Latex so potential allergen
Can cause gingival trauma