Gypsum Index for Complete Denture

Authors : Sneha Priya K

Volume/Issue : Volume 4 - 2019, Issue 12 - December

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 Introduction Complete denture treatment requires arrangement of teeth tooth by tooth. As the alveolar ridges are well formed and Ideal; resorbed and thick; resorbed, small and thin at the crest.This article mentions use of Complete denture Gypsum Index that can be used when the patients ridge is conforming to Type1,2 or 3 as mentioned above.  Aims 1) Using plaster index as a guide for teeth arrangement in Type 1,2,3 arch forms.  Methods Teeth arrangement was done for Ideal edentulous cast after fabricating self-cure denture base, occlusal rims mounted with Class 1 ridge relation. A wax extension was made around the middle third of the buccal aspect of the denture teeth, measuring 2 mm laterally and 2 mm in thickness. This wax extension is positioned laterally and covers all the teeth. Plaster was mixed in Ideal w: p ratio and an index was fabricated on the occlusal surface of the teeth. Index measured 5 mm in thickness at the occlusal cusp area and involved the wax extension laterally. Plaster was allowed to set.  Results Teeth Arrangement Index made for Ideal Ridge conditions. Conclusion- A Plaster occlusal index is a guide that can be used for teeth arrangement if the ridge conditions allow.

Keywords : Gypsum Cast, Dental Plaster.


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