Progesterone effects on experimental tooth movement in rabbits.

J Calif Dent Assoc

Orthodontic Department, School of Dentistry and Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.

Published: July 2009

The effect of progesterone on tooth movement was evaluated for nine weeks. Twenty-four rabbits were assigned into three groups of long-term, short-term and no progesterone injection. Orthodontic force was applied to incisors for three weeks. Statistical tests showed no significant difference at the seventh and eighth week; but at the ninth week, tooth movement was significantly lower in the long-term group. Long-term progesterone administration could reduce the rate of tooth movement.

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