Experimental analysis of the forces exerted by perioral muscles on the dental arches

F. P. Branca, P. Cappa, F. Mastrantonio

Research output: Contribution to journalArticlepeer-review


During the various oral functions, as is known, perioral muscles interact with dental tissues, gingivae and alveolar bone. Since the forces they exert during this interaction may affect teeth position, it appears very important in orthodontics to acquire means for monitoring and measuring them. Nevertheless, from an analysis of literature on this specific subject a lack of knowledge concerning the amount of load exerted by perioral muscles emerges, so that its contribution so far to teeth displacement is unknown. The aim of the present work is the `in vivo' evaluation of the actual forces applied by perioral muscles on dental arches by an automatic measurement chain carried out by means of two miniaturized load cells (full scale = 9.81 N) placed on the upper incisors. Preliminary results permitted an estimation of the maximum value of the applied force range for various phonema, which proved to be in every case lower than about 1.98 N.

Original languageEnglish
Pages (from-to)131-135
Number of pages5
Issue number4
Publication statusPublished - Nov 1994

ASJC Scopus subject areas

  • Mechanics of Materials


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