Any prosthesis replacing missing teeth aims towards establishing an occlusal contact that is harmonious with the position of the condyles and the musculature of the mandible. A premature occlusal contact may disrupt this harmony that may lead to conditions such as trauma from occlusion, periodontal disease, bruxism and temporomandibular joint dysfunction. In order to locate these interferences and to refine the occlusal contacts, indicators such as waxes, articulating papers, foil, film, silk strips and newer materials such as the T-Scan and virtual dental patient are available. Their sensitivity, marking ability and method of usage vary based on their characteristics, oral environment and the interpretation of the clinicians regarding the markings. Hence, a thorough knowledge of the various occlusion indicators available, their method of usage, interpretation of their markings and their limitations is essential prior to their usage.
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Nayar et al. (2007) studied this question.
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