Korean J Orthod.  1996 Feb;26(1):53-63.

The comparative analysis of the dentition and morphologic malocclusion of the temporomandibular dysfunction patient

Affiliations
  • 1Department of Orthodontics, College of Dentistry, Kyung-Hee University, Korea.

Abstract

In order to analyze the occlusion of TMD patient, 73 casts and post eroanterior cephalometric X-rays of patients showing TMD symptoms at first interview were measured and compared that of 30 non-patients. Horizontal overjet, vertical overbite, openbite, crossbite, depth of curve of Spee, midline deviation, facial asymmetry, attrition, and TPI were measured and processed statistically. The results could be summarized as follows, 1. TMD group showed the highest prevalence in twenties, teens, and before 9 years old group in order, and more prevalent in female than male. 2. There were no statistically significance between two groups of overjet and overbite measurements, but showed significance of 6 classification of anterior tooth relationship between two groups TMD groups. 3. TMD group had more anterior openbite than normal group but there were no statistically significance between two groups. 4. Anterior crossbite was more prevalent in normal group but posterior crossbite was more prevalent in TMD group. 5. TMD group showed deeper curve of Spee and there were statistically significance between two groups. 6. TMD group had more attrition than normal group and there were statistically significance beween two groups. 7. TMD group showed more facial asymmetry than normal group. 8. TPI did not showed statistical significance between two groups. According to the above results, TMD group showed severe and complex mode of malocclusion and this should be carefully regarded when treatment planning and during the treatment of malocclusion.

Keyword

Temporomandibular disorder(TMD); Occlusion; Morphological malocclusion; Malocclusion

MeSH Terms

Adolescent
Child
Classification
Dentition*
Facial Asymmetry
Female
Humans
Male
Malocclusion*
Open Bite
Overbite
Prevalence
Tooth
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