Occlusal force pattern during chewing and biting in dentitions restored with fixed bridges of cross‐arch extension

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Abstract
Summary: The pattern of axially directed occlusal forces, i.e. magnitude, distribution, duration and frequency of occlusal forces perpendicular to the occlusal plane, was studied during chewing, swallowing and biting in twelve subjects whose dentitions were periodontally treated and prosthetically restored with fixed, cross‐arch bridges whose periodontal support included bilateral end abutments.The measuring devices consisted of four strain gauge transducers bilaterally mounted into pontics of maxillary bridges to represent the posterior and anterior regions. The forces could thus be studied in various parts of as well as over the entire dentition simultaneously.All subjects exhibited a rhythmic chewing pattern with preference of one side as chewing side.