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Denture Cleansers, Soft Lining Materials and Water Temperature:What is the Effect?

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Aim: To investigate the effect of water temperature, in association with four denture cleansers, on the colour and surface roughness of five soft lining materials.

Method: Two silicone soft lining materials (Molloplast B and Sofreliner) represented the heat-cured, laboratory-based and chairside materials that are available. The wide range of chairside, acrylic resin-based, temporary soft lining materials was represented by Coe-Soft, Viscogel and Eversoft. An alkaline hypochlorite (Dentural) and three effervescent peroxide solutions with a range of active pH values (Steradent Active Plus, pH 6; Steradent Extra Strength, pH 3; Superdrug Fresh, pH 11) were selected as the cleansers. The denture cleansers were used at two temperatures: 55 °C (manufacturers' recommended temperature) and 80 °C. The colour of the specimens was evaluated using a colorimeter and the surface roughness was assessed using a three-dimensional, non-contact surface profilometer. This study reported on the effect of using both the higher temperatures and the recommended temperature on the colour and roughness of permanent and temporary soft lining materials.

Results and Conclusion: The results of the study showed that the temperature of the water used with denture cleansers might have a detrimental effect on the colour and surface roughness of some permanent and temporary soft lining materials.
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Document Type: Research Article

Affiliations: Department of Oral and Dental Science, Division of Restorative Dentistry, Bristol Dental School and Hospital, Bristol, UK

Publication date: April 1, 2008

More about this publication?
  • Primary Dental Care is the research journal of the Faculty of General Dental Practice (UK), and the only peer-reviewed journal dedicated wholly to research in primary care dentistry. The aim of the journal is to promote academic and research aspects of primary dental care by publishing relevant peer-reviewed papers. In addition, reviews, reports of clinical cases, book reviews, opinions, summaries and abstracts of scientific meetings and news items are included.
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