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ADA NBDE National Board Dental Part II

Category - NBDE II

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Extrusion is:

Tooth movement in the direction of eruption
Tooth movement in the opposing direction of eruption
Tooth settling
Tooth realignment

Explanation

Answer: A - Extrusion is tooth movement in the direction of eruption. During mechanical extrusion, the teeth are pulled occlusal or incisal to extend beyond the gums. In natural extrusion, the teeth grow until there is contact with another tooth.

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ADA NBDE National Board Dental Part II

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ADA NBDE National Board Dental Part II

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