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NEET MDS Quiz - Practice Test
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Practice Test

Orthodontics - 3 Questions

1
Orthodontics

What is Sunday bite related to?

1) Angle’s class I with anterior open bite
2) Angle’s class I with anterior deep bite and posterior cross bite (unilateral)
3) Angle’s class II
4) Angle’s class III

📝 Explanation:

SOLUTION 

Children and adults with a skeletal Class II relationship and an underlying skeletal Class II jaw relationship position the mandible forward in a “Sunday bite,” making the occlusion look better than it really is.

2
Orthodontics
Which of the following is basically not a vestibular appliance
1) Oral screen
2) Activator
3) Lip bumper
4) Frankel appliance

📝 Explanation:

Vestibular appliances are designed to influence the vestibular musculature and include oral screen, lip bumper, and Frankel appliance. The activator is an intraoral functional appliance, not vestibular.

3
Orthodontics
Contraindications of activator are all except
1) High FMA angle
2) Severe protruded maxilla
3) Growing patient
4) Severe crowding

📝 Explanation:

Contraindications for activator include high FMA angle, severe protruded maxilla, and severe crowding. It is indicated for growing patients.

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