Flexible dentures are bad

I don't provide flexi-dentures as I believe they go against all prosthodontic principles of preservation of the periodontium as they twist and flex during chewing. A stiff major connector in cobalt chromium works in the same way a car chassis does. High performance cars have a rigid chassis allowing the suspension to work properly improving the handling of the car. A rigid major connector allows the rest seat, clasp and reciprocal assembly to work properly under occlusal loading, limiting the harm to the abutment teeth, periodontium and supporting soft tissues and as a result improve patient comfort when chewing.

I think they may be of use as short term temporary measures prior to definitive treatment, such as during implant integration or provision of a definitive cobalt chromium based denture.

Denture Blog 50

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