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Eminence Development of the Postnatal Human Temporomandibular JointDepartment of Preventive Dental Science, Faculty of Dentistry, University of Manitoba, 780 Bannatyne Ave., Winnipeg, Manitoba, Canada R3E 0W2
Department of Preventive Dental Science, Faculty of Dentistry, University of Manitoba, 780 Bannatyne Ave., Winnipeg, Manitoba, Canada R3E 0W2, Department of Rehabilitative Dental Science, Faculty of Engineering, University of Manitoba
Department of Rehabilitative Dental Science, Faculty of Dentistry, University of Manitoba, 780 Bannatyne Ave., Winnipeg, Manitoba, Canada R3E 0W2 The objective of this study was to analyze postnatal eminence development quantitatively, as a first step in defining the relationship between loading of the TMJ and eminence development. A sample of human osteological remains provided the temporal bones of forty-nine (49) individuals of ages between birth and twenty years. An angular measurement technique permitted quantification of the degree of eminence development of each individual. It was concluded that: (i) the TMJ eminence reaches more than 50% of mature size, and exhibits mature morphology, by the time of completion of eruption of the primary dentition; (ii) the maximum velocity of development of the eminence takes place before three years of age; and (iii) the velocity of development of the eminence is reduced at about five years of age, and slowly diminishes to zero by the middle to late teens.
Journal of Dental Research, Vol. 67, No. 6,
896-902 (1988) This article has been cited by other articles:
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