The shape of the glenoid fossa affects the growth of the mandible

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Abstract
In order to investigate the role of the glenoid fossa in the morphogenesis of the mandible, the articulating surface of the left glenoid fossa was rotated more vertically with the aid of premature synostosis of frontoparietal and frontotemporal sutures at the age of five days in the rat. The glenoid fossa was more anteriorly located relative to the incisors and molars, and the articulating surface of the fossa was more steeply inclined in relation to the palatal plane or the cranial base. The length of the mandible was slightly decreased and the height was increased at 35, 50 and 100 days of age. The condylar process of the experimental mandibular halves was more vertically oriented at the ages of 35, 50 and 100 days. The results of this investigation indicate that the shape of the glenoid fossa has an effect on the morphology of the mandible

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