Korean J Orthod.  1999 Feb;29(1):23-35.

A semilogitudinal study on cranial base, maxilliary and mandibular growth of Korean children aging 7 to 17 years old

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

Abstract

lateral cephalograms of 251 males and 286 females were taken and pubertal growth pattern of cranial base, maxillary and mandible of 7 to 17 years old Korean Children was evaluated. 10 landmarks and 16 analytical measurements were evaluated. Analytical measurement and annual difference for each age group was calculated and tested for statistical significance. Analytical measurements were classified into three groups which wee cranial base. maxillary and mandibular measurements and also classified into make and female measurements. Following results were achieved. 1. The circumpuberal growth spurt was earlier in Korean females than in males. 2. Cranial base, maxilla and mandible showed cirumpuberal growth. The cranial base showed a relatively smaller amount of growth the facial complex. 3. Middle and posterior cranial base length showed a greater increased than anterior cranial base length and circumpuberal growth spurt was also more definite. 4. The forward and downward growth of maxilla results from maxillary growth itself and transposition of the maxilla due to circumsutural growth around the maxilla. Ar-ANS and Ar-Pr which represent maxillary position relative to the cranial base showed more growth than ANS-PNS which represents maxillary bone growth. 5. mandible showed more vertical growth than horizontal growth but without significance. 6. Alveolar growth of maxilla and mandible show maximum growth rate of the time of permanent teeth eruption following loss of deciduous teeth. After this period alveolar growth shows a decreasing tendency.

Keyword

Cranial base; Maxilla; Mandible; Circumpuberal growth

MeSH Terms

Adolescent*
Aging*
Child*
Female
Humans
Male
Mandible
Maxilla
Skull Base*
Tooth
Tooth, Deciduous
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