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Orthod Craniofac Res. 2007 Nov;10(4):226-34.

Change in maximum occlusal force in association with maxillofacial growth.

Author information

1
Department of Orthodontics, Matsumoto Dental University, Nagano, Japan. tusui@po.mdu.ac.jp

Abstract

OBJECTIVE:

To clarify the correlation between variations in maximum occlusal force and the maxillofacial skeletal pattern in subjects with malocclusion using a compact device.

DESIGN:

Three hundred and fifty patients (150 males 200 females) with malocclusion were included. The male and female subjects were divided into five groups each based on chronological age. The maximum occlusal force was measured with a simplified occlusal force meter. The maxillofacial skeletal pattern was analyzed with lateral cephalograms. On the basis of these data, we studied the correlation between the maximum occlusal force and the maxillofacial skeletal pattern in each age group.

RESULTS:

The maximum occlusal force tended to increase with age, with a tendency to be greater in male than in female subjects. In the male subjects, up to their 20s, the maximum occlusal force continued to increase, while in the female subjects its increase almost terminated in the later teens. In some of the age groups, the maximum occlusal force showed a negative correlation with the mandibular plane angle.

CONCLUSIONS:

Maximum occlusal force tended to increase with age. There was a gender difference in the maximum occlusal force at all age groups, values being larger in the males. In the males, the maximum occlusal force continued to increase until their 20s, while in the females, this increase almost terminated at the age of 17.

[Indexed for MEDLINE]

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