Influence of Storage Methods on the Surface Roughness of Tissue Conditioners

Hong, Guang; Li, Ying Ai; Maeda, Takeshi; Mizumachi, Wataru; Sadamori, Shinsuke; Hamada, Takashi; Murata, Hiroshi

doi:10.4012/dmj.27.153

Cited by 34 publications

(49 citation statements)

References 29 publications

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“…A study using PMMA containing S-PRG filler showed that the amount of released fluoride decreased on the second day after immersion into distilled water, and further decreased to approximately one tenth at one week after immersion 31) . Furthermore, TC surface roughness increased with time 32) . These findings suggest that the effect of S-PRG filler on the inhibition of fungal adhesion will likely decrease over time.…”

Section: Discussionmentioning

confidence: 99%

Effect of incorporation of surface pre-reacted glass ionomer filler in tissue conditioner on the inhibition of <i>Candida albicans</i> adhesion

et al. 2018

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We investigated the effects of incorporation of surface pre-reacted glass ionomer (S-PRG) filler in tissue conditioner (TC) on Candida albicans adhesion. We prepared specimens containing 0, 5, 10, or 20 wt% of S-PRG filler, and measured the amount of C. albicans on the surface using a colony forming unit (CFU) assay and scanning electron microscopic images. In addition, we measured the consistency, penetration depth, and surface roughness (Ra). CFU values for 10 and 20 wt% were significantly lower than that for the control (p<0.05). Hyphal density on the surface was greater in the control. The 10 and 20 wt% specimens showed significantly higher consistency and Ra, lower penetration depth ratio than control (p<0.05). These results suggest that incorporation of S-PRG filler may reduce C. albicans adhesion onto TC surface; however, the optimal amount of filler is dictated by the influence of filler incorporation on mechanical and surface characters of TC.

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Section: Discussionmentioning

confidence: 99%

Effect of incorporation of surface pre-reacted glass ionomer filler in tissue conditioner on the inhibition of <i>Candida albicans</i> adhesion

et al. 2018

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“…Mechanical and chemical methods to clean dentures may cause some problems such as deformation and degradation of tissue conditioners 27) . Microorganisms are easily colonized on the rough surface of degraded tissue conditioners.…”

Section: Discussionmentioning

confidence: 99%

Antimicrobial and antifungal effects of tissue conditioners containing a photocatalyst

et al. 2011

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This study examined the antimicrobial/antifungal ability of a tissue conditioner containing a photocatalyst for Escherichia coli, Streptococcus mutans, Staphylococcus aureus and Candida albicans. The photocatalyst was mixed with tissue conditioners powders at concentrations of 0, 10, 15, and 20 wt%. Tissue conditioners powders containing a photocatalyst were mixed with liquid to make test specimens. Test specimens inoculated by each microorganism were irradiated by ultraviolet light for 0-, 2-and 4 hours. The antimicrobial/antifungal effects were evaluated by the CFU technique. The CFU values of each microorganism for tissue conditioners containing a photocatalyst showed significant decrease following UV-irradiation. The improvement in antimicrobial/antifungal effects was concomitant with the increase of the mixing ratio and the irradiation time. Therefore, the results indicated that tissue conditioners containing a photocatalyst might have photocatalytic ability.

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“…Therefore, most previous studies are related to improving the life span of soft polymer materials [5][6][7]18,23) . To date, the mechanical and surface properties, as well as the dimensional stability of tissue conditioners have been widely investigated [4][5][6][7]17,19,24,25) . However, the effect of the combination of crude drugs and soft polymer materials (powder form) on the angiogenic and dynamic viscoelastic properties of the material have not been reported so far.…”

Section: Introductionmentioning

confidence: 99%

“…Tissue conditioners are often used in edentulous patients to treat alveolar mucosal lesions such as denture stomatitis and decubitus ulcers due to illfitting dentures; they may also be used for recording dynamic functional impressions, temporary relining during the healing phase after implant placement, and other clinical applications that can utilize their specific viscoelastic properties [3][4][5][6][7] . The clinical use of soft polymer materials as tissue conditioners for the treatment of decubitus ulcers is based on the fact that it relieves the distribution of pressure on the alveolar mucosa by absorbing the bite force due to their specific viscoelastic properties.…”

Section: Introductionmentioning

confidence: 99%

The effect of crude drugs on the angiogenic property and dynamic viscoelasticity of PEMA-based soft polymer materials

et al. 2017

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This study aimed to determine the effect of crude drugs on the dynamic viscoelasticity and angiogenic property of soft polymer materials, in vitro. Two kinds of polyethyl methacrylates, and crude drugs (Astragalus membranaceus Bunge [HQ] and Salvia miltiorrhiza Bunge [DS]) were used in their powdered forms. And, acetyl tributyl citrate and ethyl alcohol were used in the liquid form. The dynamic viscoelasticity of each specimen was measured after 0, 1, 3, 7, 14 and 28 days of immersion in distilled water. The CellPlayer angiogenesis PrimeKit assay was used to test angiogenesis. Significant differences in dynamic viscoelasticity were observed among the materials. Specimens containing 1 wt% HQ showed higher angiogenic activity than those containing 5 wt% and 10 wt% HQ, and DS. Our results suggest that the addition of low amounts of crude drugs to soft polymer materials may promote angiogenesis in human tissues.

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Influence of Storage Methods on the Surface Roughness of Tissue Conditioners

Cited by 34 publications

References 29 publications

Effect of incorporation of surface pre-reacted glass ionomer filler in tissue conditioner on the inhibition of <i>Candida albicans</i> adhesion

Effect of incorporation of surface pre-reacted glass ionomer filler in tissue conditioner on the inhibition of <i>Candida albicans</i> adhesion

Antimicrobial and antifungal effects of tissue conditioners containing a photocatalyst

The effect of crude drugs on the angiogenic property and dynamic viscoelasticity of PEMA-based soft polymer materials

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