Oral Habits

Question 1

What are parafunctional habits?

Answer 1

Habits that are not normal and affect occlusion

Question 2

In what order should you treat malocclusion?

Answer 2

First treat parafunctional habit, then treat occlusion

Question 3

What is the correct position of the tongue?

Answer 3

on the palate bringing balance to all the teeth

Question 4

What is the correct position of the tongue?

Answer 4

resting on the hard palate and back surface of upper incisors bringing balance to all the teeth

Question 5

What happens with thumb sucking?

Answer 5

the tongue is depressed, the cheeks push towards the teeth and can cause posterior cross bite

Question 6

How does self-correction occur?

Answer 6

tongue pressure or distal drift of primary canines into primate space

(canines usually erupt mesially)

Question 7

T/F: Malocclusion can be due to skeletal problem only.

Answer 7

False. It can be due to dental, skeletal, or both!

Question 8

How to diagnosis malocclusion and if it’s skeletal or dental?

Answer 8

lateral CEPH

Question 9

What type of sucking response occurs with thumb sucking not related to nutrients but before 3?
a. nutritive
b. non-nutritive
c. chronic

Answer 9

b. non-nutritive

Question 10

What type of sucking response occurs with thumb sucking needed to survive?
a. nutritive
b. non-nutritive
c. chronic

Answer 10

a. nutritive

Question 11

What type of sucking response occurs with distortion of dent-alveolar structures and older than 3 years old?
a. nutritive
b. non-nutritive
c. chronic

Answer 11

c. chronic

Question 12

What is the order of importance of non-nutritional sucking habit in regards to frequency, duration, and magnitude?

Answer 12

frequency least important

duration most important

Question 13

Is thumb or pacifier more detrimental?

Answer 13

pacifier

because harder to remove from child

Question 14

T/F: there is a benefit to an orthodontic pacifier

Answer 14

false

Question 15

What are the potential dentoalveolar changes due to a pacifiers?

Answer 15

increased overjet, anterior open bite, posterior cross bite, and class II malocclusion

Question 16

How many children have a non-nutritional habit @ 3 years of age?

Answer 16

10-40%

Question 17

If the habits are maintained less than 12 months, what will the impacts on occlusion be?

Answer 17

no adverse effects

Question 18

If the habits are maintained more than 36-48 months, what will the impacts on occlusion be?

Answer 18

altered occlusions such as open bites and posterior crossbites

Question 19

What have thumb sucking habits been more linked to?

Answer 19

anterior open bites and increased overjet

Question 20

What have pacifier habits been more linked to?

Answer 20

posterior crossbites

Question 21

T/F: bottle is more demential than the breast in malocclusion

Answer 21

true

Question 22

What could be the possible history of a patient with an anterior open bite?

Answer 22

• non-nutritive sucking habit of thumb (after 3 yrs of age)
• allergies, asthma, sleep disturbances