Lec 2.1: Terminologies

Question 1

Defined as the static, closed contacting position of upper teeth to lower teeth.

Answer 1

Dental occlusion

Question 2

Defined as a separation of teeth from occlusion; the opposite of occlusion.

Answer 2

Disocclusion

Question 3

It should include not only a range of anatomically accepted values, but also physiologic adaptability.

Answer 3

Normal occlusion

Question 4

Implies a situation commonly found in absence of disease.

Answer 4

Normal

Question 5

What is referred to as normal occlusion orthodontically?

Answer 5

Angle’s Class I occlusion

Question 6

Mesiobuccal cusp of maxillary 1st molar should occlude in mesiobuccal groove of mandibular 1st molar.

Answer 6

Angle’s Class I occlusion

Question 7

Normal occlusion involves? (6)

Answer 7

1. Occlusal contact
2. Alignment of teeth
3. Overjet
4. Overbite
5. Arrangement + relationship of teeth between arches
6. Relationship of teeth to osseous structures

Question 8

Refers both to an aesthetic + physiologic ideal.

Answer 8

Ideal occlusion

Question 9

Important aspect of ideal occlusion includes? (3)

Answer 9

1. Functional harmony
2. Stability of masticatory system
3. Neuromuscular harmony in masticatory system

Question 10

An occlusion which is judged to be a causative factor in formation of traumatic lesions.

Answer 10

Traumatic occlusion

Question 11

Disturbances in supporting structures of teeth, muscles, and TMJ.

Answer 11

Traumatic occlusion