Korean J Orthod.  1993 Jun;23(2):275-282.

A study of the correlations between the tongue and oral cavity volume in the skeletal mandibular prognathism

Affiliations
  • 1Department of Orthodontics, College of Dentistry, Pusan National University, Korea.

Abstract

When mandibular prognathic patients are operated orthognathic surgery which reduce the oral cavity volume, tongue volume should be harmonized with oral cavity volume to be changed because prevent the relapse of malocclusion. To decide the need for tongue resection, the author measured the tongue volume and oral cavity volume with stone model which were taken by impression method and study the difference between the ratio of tongue and oral cavity volume in mandibular prognathic group and normal group. The samples were consisted of four groups, the 40 subjects of the control group, 40 subjects of the experimental group. Each group was subdivided into male and female group respectively. The results were as follows: 1. The tongue volume and oral cavity volume measurements are 20.7cm3, 32.7cm3 in the control group respectively, and 24.9cm3, 42.9cm3 in the experimental group respectively. 2. There is no difference in the ratio of the tongue volume to oral cavity volume in control group and experimental group. 3. Correlation coeffiecients between the tongue volume and oral cavity volume are 0.11, 0.29 in experimental group and control group respectively, and 0.43 in gross total group. 4. The tongue volume of male is larger than female(p<0.05).

Keyword

skeletal class III; Tongue volume; oral cavity volume

MeSH Terms

Female
Humans
Male
Malocclusion
Mouth*
Orthognathic Surgery
Prognathism*
Recurrence
Tongue*
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