1. Pertaining to occlusion or closure. 2. In dentistry, pertaining to the contacting surfaces of opposing o. units (teeth or occlusion rims) or the masticating surfaces of the posterior teeth.
* * *
oc·clu·sal ə-'klü-səl, ä-, -zəl adj of, relating to, or being the grinding or biting surface of a tooth also of or relating to occlusion of the teeth <\occlusal abnormalities>
oc·clu·sal·ly -ē adv
* * *
adj.
(in dental anatomy) denoting or relating to the biting surface of a premolar or molar tooth.
* * *
oc·clu·sal (ə-klooґzəl) 1. occlusive. 2. pertaining to the contacting surfaces of opposing teeth or of opposing occlusion rims, or to the masticating surfaces of the premolar and molar teeth.Medical dictionary. 2011.