Occlusion is a subject that represents the mastication system, yet as clinicians, we are confused. Occlusion in dentistry has a unique portfolio; it is the most crucial subject in dental reconstruction and the most controversial.1 Many regard occlusion as highly complex and troublesome and not demonstrating a scientifically based relationship to any disease process.2 Others cite that the literature is mainly empirical and not evidence-based. Christensen once described the dental profession’s understanding of occlusion as chaotic.3
The American Dental Association sponsored 3 conferences to identify occlusion’s fundamental principles and suggested, without success, that recommendations be introduced into the curriculum at dental schools.4 The principles of occlusion raise several questions. The first is (1) if occlusion is considered an understanding of the mastication system, and because it is, (2) why are there no rules? This commentary aims to discuss the circumstances that have created what is known...
