MANDIBULAR REST POSITIONS
\mandˈɪbjʊlə ɹˈɛst pəzˈɪʃənz], \mandˈɪbjʊlə ɹˈɛst pəzˈɪʃənz], \m_a_n_d_ˈɪ_b_j_ʊ_l_ə ɹ_ˈɛ_s_t p_ə_z_ˈɪ_ʃ_ə_n_z]\
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The length of the face determined by the distance of separation of jaws. Occlusal vertical dimension (OVD or VDO) or contact vertical dimension is the lower face height with the teeth in centric occlusion. Rest vertical dimension (VDR) is the lower face height measured from a chin point to a point just below the nose, with the mandible in rest position. (From Jablonski, Dictionary of Dentistry, 1992, p250)
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Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.