INBDE (Integrated National Board Dental Examination) Practice Exam

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What is the term for the first order moment in orthodontics?

Tipping
Rotation
Translation
Elevation

The correct answer is: Rotation

In orthodontics, the term for the first order moment is "Rotation." This refers to the movement of a tooth around its long axis. When a tooth rotates, it is essentially turning along its own axis without any tipping or translation. Tipping (Option A) refers to the movement of a tooth in which the crown moves in one direction while the root moves in the opposite direction. Translation (Option C) involves the bodily movement of a tooth in a linear direction, without any rotation or tipping. Elevation (Option D) is not a specific term related to movement in orthodontics.