21. Oral Health Instruction

Question 0

Power toothbrushes: indication for use

Answer 0

Any individual, but particularly those with:

• fixed orthodontic appliances
• decalcification
• uncontrolled oral biofilm
• extensive prosthodontics
• dexterity and motivational challenges
• gingival recession
• aggressive toothbrushing techniques
• caregiver responsibilities

Question 1

Parts of the toothbrush

Answer 1

Head (bristles)
Handle (grasping area)
Shank (connects head to handle)

Question 2

Toothbrushing technique:
Bristles are directed apically at 45 degree angle to long axis of the tooth; gentle force is applied to insert bristles into sulcus

Answer 2

Bass (sulcular)

Question 3

Toothbrushing technique:

Filaments are directed apically and rolled occlusally in a vertical motion.

Answer 3

Roll stroke

Question 4

Toothbrushing technique:

Bass + Roll stroke

Answer 4

Modified bass

Question 5

Tooth abrasion

Answer 5

Wearing away of the tooth surface.

Typically around CEJ

Question 6

Dental abfractions

Answer 6

Pathological loss of tooth structure from biomechanical forces on the tooth
(V shaped notches in cervical areas)

Question 7

Noncarious cervical lesion

Answer 7

Multifactorial cause of hard-tissue lesions such as abfraction