Malocclusion

Question 1

What 6 things should you look for when evaluating dental occlusion?

Answer 1

1. Head symmetry
2. Incisor relationship
3. Canine occlusion
4. Premolar alignment
5. Distal premolar/molar occlusion
6. Individual teeth positioning

Question 2

What is occlusion?

Answer 2

The normal position of the teeth when the jaws are closed

Question 3

What are the 2 general types of Maloclussion and how do they differ?

Answer 3

1. Skeletal - jaw length or width causing abnormality in tooth position
2. Dental - tooth malpositioning

Question 4

True or false: Dental and Skeletal Malocclusion are usually inherited.

Answer 4

False. Skeletal is, but dental is not.

Question 5

What is MAL1?

Answer 5

Dental malocclusion. One or few teeth effected.

Question 6

What is MAL2?

Answer 6

Skeletal malocclusion - mandibular brachygnathism

Question 7

What is MAL3?

Answer 7

Skeletal malocclusion - maxillary brachygnathism and mandibular prognathism

Question 8

What is a rostral crossbite? What is the charting code?

Answer 8

Reverse scissors of the incisors, the lower are rostral to the upper. AXB.

Question 9

What is PXB?

Answer 9

Posterior/Caudal CrossBite. When the maxillary premolars are lingual to the mandibular premolars.

Question 10

What is RD?

Answer 10

Retained deciduous teeth. Must be extracted

Question 11

What is mandibular brachygnathism?

Answer 11

Type of skeletal malocclusion - resulting in a shorter lower jaw

Question 12

What is maxillary brachygnathism with mandibular prognathism?

Answer 12

Type of skeletal malocclusion - resulting in shorter upper jaw and longer lower jaw

Question 13

What is Wry mouth?

Answer 13

When one side of the jaw grows more than the other resulting in a deviated midline