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Candida albicans biofilms and MMA surface treatment influence the adhesion of soft denture liners to PMMA resin

Overview of attention for article published in Brazilian Oral Research, January 2014
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2 tweeters

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Title
Candida albicans biofilms and MMA surface treatment influence the adhesion of soft denture liners to PMMA resin
Published in
Brazilian Oral Research, January 2014
DOI 10.1590/s1806-83242013005000025
Pubmed ID
Authors

Martinna de Mendonça e Bertolini, Yuri Wanderley Cavalcanti, Dimorvan Bordin, Wander José da Silva, Altair Antoninha Del Bel Cury

Abstract

The effect of Candida albicans biofilms and methyl methacrylate (MMA) pretreatment on the bond strength between soft denture liners and polymethyl methacrylate (PMMA) resin was analyzed. Specimens were prepared and randomly divided with respect to PMMA pretreatment, soft liner type (silicone-based or PMMA-based), and presence or absence of a C. albicans biofilm. Samples were composed of a soft denture liner bonded between two PMMA bars. Specimens (n = 10) were incubated to produce a C. albicans biofilm or stored in sterile PBS for 12 days. The tensile bond strength test was performed and failure type was determined using a stereomicroscope. Surface roughness (SR) and scanning electron microscopy (SEM) analysis were performed on denture liners (n = 8). Highest bond strength was observed in samples containing a silicone-based soft liner and stored in PBS, regardless of pretreatment (p < 0.01). Silicone-based specimens mostly underwent adhesive failures, while samples containing PMMA-based liners predominantly underwent cohesive failures. The silicone-based specimens SR decreased after 12 days of biofilm accumulation or PBS storage, while the SR of PMMA-based soft liners increased (p < 0.01). The PMMA-based soft liners surfaces presented sharp valleys and depressions, while silicone-based specimens surfaces exhibited more gentle features. In vitro exposure to C. albicans biofilms reduced the adhesion of denture liners to PMMA resin, and MMA pretreatment is recommended during relining procedures.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 38 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 3%
Unknown 37 97%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 24%
Student > Postgraduate 5 13%
Researcher 4 11%
Professor > Associate Professor 4 11%
Student > Bachelor 3 8%
Other 9 24%
Unknown 4 11%
Readers by discipline Count As %
Medicine and Dentistry 18 47%
Agricultural and Biological Sciences 7 18%
Immunology and Microbiology 2 5%
Veterinary Science and Veterinary Medicine 1 3%
Nursing and Health Professions 1 3%
Other 2 5%
Unknown 7 18%

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 02 August 2020.
All research outputs
#11,659,572
of 18,468,417 outputs
Outputs from Brazilian Oral Research
#65
of 170 outputs
Outputs of similar age
#154,535
of 280,546 outputs
Outputs of similar age from Brazilian Oral Research
#5
of 6 outputs
Altmetric has tracked 18,468,417 research outputs across all sources so far. This one is in the 34th percentile – i.e., 34% of other outputs scored the same or lower than it.
So far Altmetric has tracked 170 research outputs from this source. They receive a mean Attention Score of 2.1. This one has gotten more attention than average, scoring higher than 59% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 280,546 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 42nd percentile – i.e., 42% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 6 others from the same source and published within six weeks on either side of this one.