We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Antimicrobial efficacy and mechanical properties of BAC-modified hard and soft denture liners.
- Authors
Altinci, Pinar; Mutluay, Murat; Söderling, Eva; Tezvergil-Mutluay, Arzu
- Abstract
This study investigated the antimicrobial efficacy and mechanical strength of hard and soft denture liners modified with benzalkonium chloride (BAC). The specimens (1 mm thickness, 8 mm diameter) were prepared by mixing 0.5, 1, 2 and 5 wt% BAC with soft (Sofreliner Medium, Tokuyama) and hard (Rebase II, Tokuyama) denture liners ( n = 5/group). BAC was not added to the controls. Candida albicans ATCC 28366 ( A = 0.5) and Streptococcus mutans Ingbritt suspensions ( A = 0.35) were pipetted onto the specimens, and incubated for 4 h. The viable cells were collected, and determined by plate-culturing (CFU). The tests were repeated after the specimens were soaked in distilled water for 7 days. The mechanical strengths were evaluated by tear and 4-point flexural strength tests for soft and hard liners, respectively. The data were analyzed with ANOVA and Tukey's HSD tests at p = 0.05. C. albicans viability was lost in all groups of BAC-modified soft liners ( p < 0.001), and S. mutans viability was reduced ( p < 0.01), except of soaked BAC 0.5 wt% group ( p > 0.05). For the hard liner, BAC 5 wt% killed the C. albicans and S. mutans cells both before and after soaked in water ( p < 0.001). BAC 2 wt% showed comparable tear strength with the soft liner control ( p > 0.05). BAC did not reduce the flexural strength of the hard liner ( p > 0.05), except of BAC 5 wt% group ( p < 0.01). BAC can be a promising agent reducing the C. albicans and S. mutans viability on the soft and hard denture liner surfaces.
- Subjects
DENTURES; BENZALKONIUM chloride; ANTI-infective agents; CANDIDA albicans; STREPTOCOCCUS
- Publication
Odontology, 2018, Vol 106, Issue 1, p83
- ISSN
1618-1247
- Publication type
Article
- DOI
10.1007/s10266-017-0303-8