figures and tables

Question 1

what are the muscle involved in opening (depression) and closing (elevation) of the mouth

Answer 1

open - inferior lateral ptyerygoid and supra hyoids closing - masseter, temporalis and superior head of the

Question 2

what muscle perform lateral deviation of the mandible

Answer 2

1. ipsalateral - temporalis, massetter 2. contralateral - pterygoids

Question 3

what are the different phases of mouth opening arthokinematics?

Answer 3

1. role and rotation around an axis in the condylar head 2. slide and anterior translation with a slight rotation in an axis in the mandibular ramus

Question 4

Normal ROM for the mouth?

Answer 4

1. depressio n40-45 male, 45-50 female 2. lateral excursion 10mm 2. protrusion 6-9mm 4. retrusion 3mm

Question 5

What is over bite?

Answer 5

the overlap of the maxillary incisor and the mandibular incisor

Question 6

What is over jet?

Answer 6

distance between the maxillary incisor and mandibular incisor

Question 7

What is the stomatognathic system

Answer 7

structure of the mouth and jaw and functions of mastication, swallowing and respiration and speech

Question 8

What trigger point is know to refer to the teeth?

Answer 8

temporalis maxillary molars masseter mandibular molars

Question 9

Describe the Rocabado TMJ pain map

Answer 9

1. anterior inferior capsule 2.anterior superior capsule 3.lateral collateral ligament - vertical condylar head 4.TM ligament - oblique anterior condylar head 5.posterior capsule 6.posterio striatum during contralateral deviation 7..posterior billaminar zone with manual distraction 8.posterior retro disc area hold position 7 and gliding anterior