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Midline Fractures in Single Maxillary Complete Acrylic vs Flexible Dentures
R K Dhiman1, Sk Roy Chowdhury2
1Commanding Officer, Classified Specialist (Prosthodontics), Military Dental Centre, New Cantt, Allahabad (UP) 211001.
Background:
Patients using single maxillary denture against their natural mandibular teeth face the problem of midline fracture in their routine acrylic dentures. Various techniques have failed over the years to address the problem. In this study, flexible denture material (Lucitone) with injection moulding system has been used and evaluated for midline fracture in these patients.
Methods:
A total of 58 patients in the age group of 38 to 80 years, who had experienced midline fracture in their acrylic maxillary dentures were selected. They were provided with new dentures using flexible denture material. Various parameters, namely, mastication, phonetics, esthetics and comfort level were evaluated.
Result:
Only two cases reported slight crack in the palatal region of the-maxillary dentures after 18 months of use. Mastication and phonetics were found to be improved with flexible dentures.
Conclusion:
The flexible denture is a promising material for preventing midline fractures in a single maxillary denture. It is well tolerated by the patients as compared to the methyl meth-acrylate dentures.
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