Muscles Of Articulation

Question 1

Orbicularis occuli

Answer 1

Surrounds the eyes

Question 2

Orbicularis oris

Answer 2

Muscles that help pucker the lips

Question 3

Tongue

Answer 3

Divided medically by the median fibrous septum
Parts of tongue: Dorsum, tip/apex, base

Question 4

Intrinsic tongue muscles

Answer 4

Superior longitudinal
Inferior longitudinal
Transverse
Vertical
Lie WITHIN the tongue

Question 5

Extrinsic tongue muscles

Answer 5

Genioglossus - retracts the tongue
Hyoglossus - pulls the sides of the tongue down
Styloglossus - draws the tongue back and up
Chondroglossus - depresses the tongue
Palataglossus - elevates the tongue and depresses the soft palate

Question 6

Muscles of the velum

Answer 6

Levator veli palatine
Musculoskeletal uvulae
Tensor veli palatini
Palatoglossus
Palatopharyngeus

Question 7

Levator veli palatini

Answer 7

Elevates and retracts posterior velum

Question 8

Musculus uvulae

Answer 8

Shortens the soft palate

Question 9

Tensor veli palatini

Answer 9

Dilates the auditory tube

Question 10

Palatopharyngeus

Answer 10

Narrows the pharynx and lowers the soft palate

Question 11

Pharyngeal musculature

Answer 11

Superior, middle, inferior pharyngeal constrictor
Salpingopharyngeus
Stylopharyngeus

Question 12

Superior pharyngeal constrictor

Answer 12

Pulls the pharyngeal wall forward and constricts the pharyngeal diameter

Question 13

Middle pharyngeal constrictor

Answer 13

Narrows the diameter of the pharynx

Question 14

Inferior pharyngeal constrictor and thyropharyngeus

Answer 14

Reduce diameter of the lower pharynx

Question 15

Salpingopharyngeus

Answer 15

Elevates the lateral pharyngeal wall

Question 16

Stylopharyngeus

Answer 16

Elevates and opens the pharynx

Question 17

Anatomy of a tooth

Answer 17

Root
Crown
Neck
Enamel
Dentin
Pulp
Cementum

Question 18

Dental development

Answer 18

Deciduous teeth, aka baby teeth
Successional teeth, aka permanent teeth - obtain around age 7-8
Molars around 10-12

Question 19

Dental Occlusion

Answer 19

Class I
Class II
Class III

Question 20

Class I occlusal

Answer 20

First molar of the mandibular arch is one-half tooth advanced of the maxillary molar
Overjet - upper incisors project beyond the lower incisors vertically by a few millimeters
Overbite - upper incisors naturally hide the lower incisors so that only a little of the lower teeth show

Question 21

Class II malocclusion

Answer 21

First mandibular molars are retracted at least one tooth from the first maxillary molars
Can be a result of relative micrognathia