Oral Hygiene Instruction

Question 1

Purpose of OHI

Answer 1

1. to improve the outcome of non-surgical periodontal surgery (NSPT)
2. to have the patient become responsible for oral care by using self-care practices/techniques demonstrated by the hygienist
3. to promote a behavior change that would result in long term results of NSPT

Question 2

6 Motivational Theories

Answer 2

1. Reward Theory
2. Goal Theory
3. Internal Motivational Theory
4. External Motivational Theory
5. Disease Theory
6. Skill Enhancement Theory

Question 3

Reward Theory

Answer 3

people repeat behaviors that make them feel good and discontinue behaviors that make them feel bad

Question 4

Goal Theory

Answer 4

goals give rise to actions, goals create tension and people work toward the goal to reduce that tension

Question 5

Internal Motivational Theory

Answer 5

• undertake an activity for its own sake
• self-generated
• don’t need much motivation from the hygienist to attain desired goal

Question 6

External Motivational Theory

Answer 6

• depend on feedback from the hygienist, praise or valuable results
• needs enthusiasm, show concern, try personalizing the message
• focus on chief concerns of patients
• help patients set short term goals from appt to appt

Question 7

Motivational Model

Answer 7

self esteem (2) - confidence
                 self esteem (1) - fame
                     love and belonging
                          safety needs
                     physiological needs

Question 8

Learning Ladder

Answer 8

habit
                             action
                        involvement
                        self-interest
                         awareness
                       unawareness

Question 9

Clinical Preventive Services

Answer 9

scaling and root debridement
prophylaxis
sealants
fluoride
varnish
athletic mouthguards

Question 10

Why should OHI be given before scaling?

Answer 10

time may be limited
sensitivity from treatment
possibility of disturbing healing process of treatment
patient may be tired, anxious to leave and less receptive to instruction

Question 11

Stiffness if Bristle Diameter

Answer 11

• soft brush 0.2mm
• medium brush 0.3mm
• hard brush 0.4mm

Question 12

Sonic Brushes

Answer 12

produce high frequency vibrations (1.6 MHz), which leads to cavitation and acoustic microstreaming; disrupts bacterial cell wall [bactericidal)

Question 13

Ionic Brushes

Answer 13

change surface charge of tooth by an influx of positively charged ions, repelling plaque from tooth and attracting to the negatively charged bristles

Question 14

Brushing Techniques

Answer 14

Stillmans –> recession
Charters –> open interdental spaces
Bass –> normal
Fones –> young children; teeth occluded, bristles in circular motion
Horizontal –> causes recession, no benefit

Question 15

Embrasures

Answer 15

• Type I: healthy, gingiva fills interproximal area under contact area
• Type II: slight-mod recession of interdental papilla
• Type III: complete loss of interdental papilla, extensive recession