拇指尺側種子骨의 出現과 齒牙發育과의 關係 = The Relationhip between the Appearance of the Adductor Sesamoid and Tooth Mineralization

다국어 초록 (Multilingual Abstract)

The relationship between tooth mineralization and early radiographic evidence of the adductor sesamoid was studied with hand-wrist radiographs and Orthopantomographs which were taken in 193 boys and 126 girls aged 9 to 14 years.
In addition to this, it was investigated the distribution of the ossification stages of the adductor sesamoid and the age at which the ossification of the adductor sesamoid occurred.
The results were as follows:
The distribution of the ossification stages of the adductor sesamoid was consistent with the acknowledged sex difference in general developmental progress and the rate of progressive ossification in girls was also found to be faster than that in boys.
The ossification of the adductor sesamoid of the thumb occurred at 13-years-0-month in boys and 11-years-2-months in girls.
Prior to the stage E of tooth mineralization of upper and lower canines, lower lst and 2nd premolars and lower 2nd molars in boys and girls, there was no evidence of the adductor esamoid ossification.
The ossification of the adductor sesamoid was closely related to the stage G of tooth meralization of the mandibular 2nd molar in boys and the stage F of the mandibular 2nd mo??r in girls.