Comparative study of the effects of the denture liners on the mucosa of denture bearing area and on the denture hygiene

الملخص EN

Background: In this study an attempt was made to evaluate the effects of using denture liners on the oral mucous membrane of the denture bearing area.

Materials and methods: A sample of 36 patients coming to the clinic of the college of Health and Medical Technology were included in the research, and three types of denture liners were used (Hard process or heat cured, cold cured acrylic and soft liner).

Results: Soft liner exhibited viscoelastic behavior that lead to improvement in masticatory function, patients comfort compared with heat and cold cured liners.

Soft liners had the least effects on the mucosa of denture bearing area, while heat cured liners showed little changes on the mucosa and high influences on the soft tissues properties by cold cured liners.

Conclusion: Denture hygiene was found poor in cold cured liners, fair in both hard processed and soft liners.

Key words: Denture liners, denture hygiene, masticatory function.

(J Bagh Coll Dentistry 2007; 19(1)50-54)