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Mandibular bone loss was examined by Crum and Rooney 1978 in patients with immediate complete dentures and in those with immediate overdentures on two lower canines. They found over the five years after placement 0.6mm bone loss in the overdenture group and 5.2 mm in the immediate complete dentures in the anterior part of the mandible.
When there is loss of posterior teeth, the alveolar ridge gets resorbed, causing extremely sharp ridge and making the mylohyoid ridge prominent. Denture may cause pressure on that area, producing significant pain in this area. Tonicity of the mylohyoid ridge itself can cause problems with denture retention.
Dentures can help people via: Mastication: chewing ability is improved by the replacement of edentulous (lacking teeth) areas with denture teeth.; Aesthetics: the presence of teeth gives a natural appearance to the face, and wearing a denture to replace missing teeth provides support for the lips and cheeks and corrects the collapsed appearance that results from the loss of teeth.
There has been a decline in both the prevalence and incidence of tooth loss within the last decades; [1] [2] people retain their natural dentition for longer. Nonetheless there is still a great demand for complete dentures as more than 10% of adults aged 50–64 are completely edentulous, with age, smoking status and socioeconomic status being significant risk factors. [2]
Any type of repair to the denture is much less ideal then making a new one. The ratio of fracture to a denture is a 1:3 ratio of the upper to lower. [8] The most common reason for fracture in a denture; is accidental dropping of the denture in the case of the lower denture, and improper fitting and stability of the denture in the upper denture.
If there is a nutritional deficiency underlying the condition, various other signs and symptoms such as glossitis (swollen tongue) may be present. In people with angular cheilitis who wear dentures, often there may be erythematous mucosa underneath the denture (normally the upper denture), an appearance consistent with denture-related ...
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