working occlusal surfaces

work·ing oc·clu·sal sur·fac·es

dental surfaces where mastication can occur.
Farlex Partner Medical Dictionary © Farlex 2012

work·ing oc·clu·sal sur·faces

(wŏrking ŏ-klūzăl sŭrfăs-ĕz)
Dental areas on which mastication can occur.
Medical Dictionary for the Dental Professions © Farlex 2012