Research Article

Effects of Soft Denture Liners on L929 Fibroblasts, HaCaT Keratinocytes, and RAW 264.7 Macrophages

Table 1

Materials evaluated in this study.

ProductTypeManufacturerPowder/liquid ratioComposition (manufacturer supplied)Batch numberPolymerization/gelation time

Durabase SoftPlasticized acrylic resin soft linerReliance Dental Mfg Co., Alsip, IL, USA1 g/0.83 mLPowder-PEMA and benzoyl peroxide 
Liquid-MMA and DBP
2954915 min

TrusoftPlasticized acrylic resin soft liner Bosworth Co, Skokie, IL, USA1.06 g/1.15 mLPowder-PEMA 
Liquid-Benzyl butyl phthalate (plasticizer) and ethyl alcohol
0904-1376 min

Ufi Gel PSilicone-based soft linerVoco, Cuxhaven, GermanyBase and catalyst in a 1 : 1 ratioBase-modified polydimethylsiloxane (A-silicone)  
Catalyst-platinum catalyst
100905110 min

Sofreliner SSilicone-based soft linerTokuyama Dental Corp., Tokyo, JapanAutodispensing systemPolyorganosiloxane 
Silicone resin powder 
Silica, amorphous
035E505 min

Softone Tissue conditionerBosworth Co, Skokie, IL, USA1.03 g/1.1 mLPowder-PEMA 
Liquid-DBP 
and ethanol
0906-2318 min

Coe ComfortTissue conditionerGC America Inc., Alsip, IL, USA1 g/0.83 mLPowder-PEMA and zinc undecylenate 
Liquid-Benzyl Benzoate, cotton seed oil, ethanol, acetyl tributyl citrate, methyl salicylate, and peppermint oil
100603210 min

PEMA: poly (ethyl methacrylate); MMA: methyl methacrylate; and DBP: di-butyl phthalate.