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- Title
Effects of temperature-responsive hydrogel on viscosity of denture adhesives.
- Authors
Huizi ZHAO; Norihisa AKIBA; Hiroyuki TANIMOTO; Taro YOSHIZAKI; Kaidiliya YALIKUN; Shunsuke MINAKUCHI
- Abstract
The cream type of denture adhesives after use cannot be easily removed from oral mucosa and have the potential risk to change the oral flora. The effects of the temperature-responsive hydrogel Pluronic F-127 (PF) on the complex viscosity of denture adhesives were evaluated. Carboxy methylcellulose (CMC) mass fractions (1, 2, 3 and 4%) were added to 20 and 25% PF hydrogels. Complex viscosity was measured over a temperature cycle (40→10→40°C) and fixed temperature points (23 and 37°C). Adhesive strength tests were performed with 2 resin plates at 23 and 37°C. One commercial cream-type denture adhesive, New Poligrip® (NP), was evaluated as a control. Complex viscosity values for PF20% groups at 23°C were lower than those for NP at 37°C. Adhesive strength of PF20% with CMC2%, was higher at 23°C when compared to NP at 37°C, which suggests that PF20%CMC2% is an effective adhesive and is easily removed after mouth rinsing.
- Subjects
HYDROCOLLOID surgical dressings; DENTURE adhesives; ORAL mucosa; CARBOXYMETHYLCELLULASE; DENTAL resins; SURGERY
- Publication
Dental Materials Journal, 2016, Vol 35, Issue 2, p210
- ISSN
0287-4547
- Publication type
Article
- DOI
10.4012/dmj.2015-191