Classification of edentulous ridge4/9/2023 ![]() At birth, all possess a normal tongue position and the abnormal is the one which is developed due to aging, abnormal swallowing habits and missing teeth. It has been concluded that, the abnormal tongue position develops as a reflex and relates to certain functional or even parafunctional habits. Wright CR et al., were the first to publish on tongue position and its relation to denture stability and researchers have classified tongue position into normal and abnormal tongue position with the relevant distinguishing criteria. This retracted position results in a broad lingual sulcus displacing the tissues overlying the sublingual gland posteriorly as a result the seal between the mucosa and the denture periphery is broken. The prosthodontic rehabilitation of the edentulous mandibular jaw can lead to poor denture retention and stability due to the presence of an unfavourable resting tongue position. The functional abilities of the tongue are its size, strength, state of health, movement patterns and resting position. Any abnormalities jeopardize the success of such dentures. The tongue must engage in the normal physiologic acts of speech, mastication and deglutition and at the same time helps to stabilize the complete denture. ![]() The anatomy and physiologic characteristics of the tongue and its environment should be evaluated thoroughly before the fabrication of complete dentures. ![]()
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