Korean J Orthod.  2004 Aug;34(4):279-287.

Analysis of the hereditary factor in craniofacial morphology and fingerprints in Class III malocclusion

Affiliations
  • 1 Department of Orthodontics, College of Dentistry, Yonsei University, Korea. baik@yumc.yonsei.ac.kr

Abstract

In growing patients with Class III malocclusion, the various patterns of maxillofacial growth are a key element that affects the success or failure of treatment. Therefore it is important to correctly predict maxillofacial growth before initiating treatment. The purpose of this study was to find out the correlation between the maxillofacial morphology of parents and their Class III children by analyzing lateral cephalograms and hereditary factors. Among Class III preadolescent children, 50 families were obtained. To find out the specific hereditary factors involved, fingerprints were obtained and genetic correlation with the maxillofacial morphology was analyzed. The following conclusions were made. 1. A significant correlation (P<0.05-0.001) was found in many of the cephalometric measurements between the offspring and their parents. The correlation in the skeleton measurements was higher than in the denture measurements. The father-offspring correlation was higher than the mother-offspring correlation 2. A significant correlation (P<0.05-0.001) was found in fingerprint units between the offspring and their parents. The mother-offspring correlation was higher than the father-offspring correlation. 3. Between the maxillofacial morphology and fingerprint units, there was significant genetic correlation (P<0.05-0.01). Based on the analysis of genetic correlation, higher correlation was found in the parent-son pairing than the parent-daughter pairing.

Keyword

Hereditary factor; Maxillofacial morphology; Fingerprint; Genetic correlation

MeSH Terms

Child
Dentures
Dermatoglyphics*
Humans
Malocclusion*
Parents
Skeleton
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