The use of the maxillary interocclusal splint as a mouthpiece for the mouthstick prosthesis.

In the past, the maxillary and mandibular teeth have been firmly indexed on the mouthpiece prosthesis, which can produce significant occlusal discrepancies. The construction of a mouthpiece consisting of a maxillary interocclusal splint is described. The two advantages for this type of mouthpiece are (1) it can be adjusted clinically to accommodate errors in the mounting of the casts and the laboratory processing of the prosthesis, and (2) the use of the maxillary interocclusal splint will reduce the likelihood of the development of masticatory muscle spasms.