The disc of the tempero mandibular joint moves forward principally by________________?

Related Mcqs:

1. Which of the following muscles moves the condyle and articular disc anterior and downwards on glenoid fossa______________?

   A. Lateral pterygoid
   B. Medial pterygoid
   C. Temporalies- anterior fibers
   D. Temporalis – posterior fibers

2. The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?

   A. Cusps
   B. Roots
   C. Lingual grooves
   D. Marginal ridges

3. Difference between mandibular and maxillary premolars is that in the mandibular premolars ?

   A. The buccal and lingual cusps are more prominent
   B. The lingual cusp is sharper and longer
   C. The lingual surface rounded and less developed
   D. The buccal surface is rounded and less developed

4. When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?

   A. Permanent second molar
   B. Permanent first molar
   C. Second premolar
   D. Primary first molar

5. A progressive increase in mandibular length and in mandibular interdental spacing in an adult patient is characteristic of_______________?

   A. Periodontosis
   B. Hypothyroidism
   C. Hyperpituitarism
   D. Hypoadrenalism

6. Among the muscles of TMJ the following muscle opposing stabilizing and antagonistic muscle force as far as the disc is concerned_____________?

   A. Medial pterygoid
   B. Temporalis
   C. Lateral pterygoid
   D. External pterygoid

7. Articular disc of TMJ_______________?

   A. Fibro cartilaginous
   B. Bony
   C. Hyaline
   D. Elastic

8. Which one of the following muscles of the soft palate supplied by the mandibular nerve______________?

   A. Levator palati
   B. Palat glossus
   C. Tensor palati
   D. Musculus uvulae

9. Which of the following accessory ligaments of the TMJ is likely to have significance upon mandibular movements ?

   A. Sphenomandibular
   B. Stylomandibular
   C. Pterygomandibular
   D. All of the above

10. Articular disc of TMJ is__________?

    A. Thickest posteriorly
    B. Narrow in the centre
    C. Strengthened by lateral pterygoid
    D. All of the above