Evaluating the effect of soft lining materials on the growth of yeast

Wright, Paul S.; Young, Kung Chia; Riggs, P.D.; Parker, Sandra; Kalachandra, Siddugari

doi:10.1016/s0022-3913(98)70153-2

Cited by 27 publications

(34 citation statements)

References 22 publications

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“…Biofilm formation on inert biomaterials has been extensively investigated, with numerous in vitro and in vivo biofilm models utilized 13. For silicone elastomers, with intended use as denture soft‐lining materials or maxillofacial prostheses, many models have involved incubating the selected material statically with a pure culture of C. albicans for an extended period of time 4, 10, 14–18. This method, however, does not take into account the competitive effects of the natural mixed oral microflora on hyphal penetration into silicone,19 nor does it include any of the shear force effects or flow of nutrients as experienced in the oral cavity.…”

Section: Introductionmentioning

confidence: 99%

In vitro colonization of an experimental silicone by Candida albicans

2009

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Denture soft-lining materials are exposed to the oral cavity for long periods and are in continuous contact with saliva, subject to inhibition of liquid molecules, and susceptible to colonization by microorganisms. The opportunist yeast Candida albicans is of particular concern in this context, being associated with denture plaque and denture-related stomatitis. In this study, penetration of C. albicans into an experimental silicone elastomer soft-lining material was investigated under batch and continuous culture conditions. A model "denture plaque" microcosm was also used. Increasing the filler concentration within the elastomer decreased penetration under both batch and continuous culture conditions. In continuous culture, C. albicans penetration was significantly greater in pure culture than in the presence of bacteria after 72-h incubation (p < 0.05).

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Section: Introductionmentioning

confidence: 99%

In vitro colonization of an experimental silicone by Candida albicans

2009

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“…However, similar research efforts pale in comparison for the porcelain surface 13,[15][16][17]22,23) . Therefore, in this study, both surface roughness and aging in saliva were included as primary determinants in the evaluation of C. albicans adhesion on the porcelain material.…”

Section: Discussionmentioning

confidence: 99%

“…On the adhesion mechanism of this microorganism on intraoral prosthetic materials, numerous research studies have been conducted to examine this concern and gain more insight [11][12][13][14][15][16][17][18] . Paling in comparison, on the other hand, are the investigative efforts on the effects arising from the surface variations of porcelain materials, and the related long-term alterations, on Candida adhesion.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Candida albicans formation on feldspathic porcelain subjected to four surface treatment methods

Atay¹,

Saraçlı

Günay³

2010

Dent. Mater. J.

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Candida albicans, known for its adhesion on prosthetic materials and oral tissues, is the most frequently encountered fungal infection in dentistry. The aim of this study was to evaluate the effects of four different surface treatment methods and immersion in artificial saliva on the surface roughness of and candida adhesion on dental porcelains. The four surface treatment methods were namely: natural glaze, overglaze, dual ion exchange, and polishing. Surface roughness of porcelain was evaluated using a surface profilometer and by SEM. Candida adhesion was examined by culturing two Candida strains on porcelain specimens followed by a colorimetric method using XTT/Coenzyme Q0. It became evident that Candida adhesion was found more in the specimens treated with natural glaze and polishing. Further, by the visual inspection of SEM images and comparison of surface roughness, polished and naturalglazed specimens showed rougher surface characteristics than overglazed and dual-ion-exchanged specimens.

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“…In this context it was observed that proliferation of fungi (Candida ssp.) was closely associated with poor denture hygiene [121,122]. The tendency toward fungal colonization could be reduced if the permanently soft relining material were sealed with a particular varnish [86].…”

Section: Microbial Effectsmentioning

confidence: 99%

“…Adherence or accumulation of Candida albicans was promoted by a rough surface structure of PMMA-based dentures. Permanent soft, porous relining materials promoted adhesion in some patients, but not in all [92,93,120,122]. Besides Candida albicans, other microorganisms were found on dentures at higher concentrations.…”

Section: Microbial Effectsmentioning

confidence: 99%

Polymethylmethacrylate Resins

Geurtsen

Biocompatibility of Dental Materials

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Evaluating the effect of soft lining materials on the growth of yeast

Cited by 27 publications

References 22 publications

In vitro colonization of an experimental silicone by Candida albicans

In vitro colonization of an experimental silicone by Candida albicans

Evaluation of Candida albicans formation on feldspathic porcelain subjected to four surface treatment methods

Polymethylmethacrylate Resins

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