Abstract
Id rote ures and materials involved in the articulation of the maxillomandibular relationship are subject to numerous sources of error. The importance of analyzing this relationship is reflected by the literature devoted to mandibular positional analysis. Various formats of three-dimensional mandibular descriptions have been used in static and dynamic studies. Several investigations have studied single-point displacements and their envelopes of motion.le5 Other studies have relied on mechanical recording and playback mechanisms for describing mandibular displacement and have used three-dimensional traces engraved in plastic blocks to record mandibular position.‘,‘j*’ However, there is no consistent format in the literature for a comprehensive description of mandibular displacement. Lack of data compatibility prevents the comparison of results among different studies analyzing interocclusal regis.ration materials and hinge axis location. The major purpose of this investigation was to establish a method of evaluating materials, techniques, and procedures that relate the mandibular to the maxillary arch. Prior to mounting casts, the two halves of an articulator are mechanically related to one another by means of the two simulated condylar areas and the incisal pin and table assembly. The clinical recording of maxillomandibular relationships is desired without the influence of the dentition. In these instances the maxillary and mandibular members of the articulator are related by means of the two condylar mechanisms
Published Version
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