the slight backward and return movement of the mandible between the position of closure and a slightly posterior position.
Farlex Partner Medical Dictionary © Farlex 2012
re·tru·sive ex·cur·sion(rĕ-trūsiv eks-kŭrzhŭn)
Slight backward and return movement of mandible between position of closure and a slightly posterior position.
Medical Dictionary for the Dental Professions © Farlex 2012