Functional occlusal forces: an investigation by telemetry. 1978

J A De Boever, and W D McCall, and S Holden, and M M Ash

In normal chewing the forces exerted on the occlusal surface seldom exceeded 10 to 15 pounds, as recorded by an eight-channel force transmitter in a removable fixed partial denture. Ninety-five percent of forces were less than 3.5 pounds for subject A, 2.0 pounds for subject B, and 10.0 pounds for subject C. The chewing frequency and the places of maximal force on the occlusal surface were relatively constant. The electromyographic chewing patterns could be considered normal in all circumstances. There was a remarkable statistically significant day-to-day variation in force values. The forces also changed for different kinds of food. The differences between maximum and minimum force values were highest in voluntary, nonfunctional movements.

UI MeSH Term Description Entries
D008409 Mastication The act and process of chewing and grinding food in the mouth. Chewing
D008410 Masticatory Muscles Muscles arising in the zygomatic arch that close the jaw. Their nerve supply is masseteric from the mandibular division of the trigeminal nerve. (From Stedman, 25th ed) Masticatory Muscle,Muscle, Masticatory,Muscles, Masticatory
D010367 Arachis A plant genus of the family FABACEAE that includes peanuts. Arachis hypogaea,Peanuts,Peanut
D001939 Bread Baked food product made of flour or meal that is moistened, kneaded, and sometimes fermented. A major food since prehistoric times, it has been made in various forms using a variety of ingredients and methods. Breads
D002638 Chewing Gum A preparation of chicle, sometimes mixed with other plastic substances, sweetened and flavored. It is masticated usually for pleasure as a candy substitute but it sometimes acts as a vehicle for the administration of medication. Chewing Gums,Gum, Chewing,Gums, Chewing
D003679 Deglutition The act of taking solids and liquids into the GASTROINTESTINAL TRACT through the mouth and throat. Swallowing,Deglutitions,Swallowings
D003768 Dental Occlusion, Centric Contact between opposing teeth during a person's habitual bite. Centric Dental Occlusion,Occlusion, Centric Dental
D003799 Dental Stress Analysis The description and measurement of the various factors that produce physical stress upon dental restorations, prostheses, or appliances, materials associated with them, or the natural oral structures. Analyses, Dental Stress,Analysis, Dental Stress,Stress Analyses, Dental,Stress Analysis, Dental,Dental Stress Analyses
D004576 Electromyography Recording of the changes in electric potential of muscle by means of surface or needle electrodes. Electromyogram,Surface Electromyography,Electromyograms,Electromyographies,Electromyographies, Surface,Electromyography, Surface,Surface Electromyographies
D005502 Food Substances taken in by the body to provide nourishment. Foods

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