Comparison of Antibacterial Activity of Glass-ionomer Cement and Amalgam in Class Two Restorations by Streptococcus mutans Count Analysis at Fixed Intervals: An in vivo Study

Tegginmani, Veeresh; Goel, Beenarani; Uppin, Virendra; Horatti, Priya; Kumar, Lakshya; Nainani, Abhinav

doi:10.5005/jp-journals-10024-1332

Cited by 5 publications

(3 citation statements)

References 24 publications

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“…Concerning the bacterial count by Dentocult strips for both groups, there was significant decrease in Streptococcus Mutans count from baseline in relation to different time periods. This result is in accordance with previous studies [24,25] who reported that, there was a significant reduction of SM levels in saliva immediately after 1 week following the ART approach using Fuji IX glass ionomer. Concerning the bacterial count of conventional glass ionomer group (group I) there was a significant difference between the baseline and the end of six month period.…”

Section: Discussionsupporting

confidence: 93%

A Comparative Study of the Efficiency of two Different Glass Ionomer Using ART Technique in a Group of Egyptian Children with Autistic Spectrum Disorder

Elbaz¹,

El-Din²,

Mabrok³

2015

Int J Oral Craniofac Sci

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The aim of the study was to evaluate and compare the effect of conventional glass ionomer cement and Nano-glass ionomer using atraumatic restorative technique (ART) in a group of Egyptian autistic children. Materials and Methods: Thirty autistic patients had cavitated lower first primary molars (class I only) were included in this study. According to the type of restorative material used, the children were classified into 2 groups: (Group I) their teeth were restored with conventional glass ionomer, (Group II) their teeth were restored with Nano-glass ionomer (ketac N 100). All children were checked clinically, radio graphically and for bacterial count evaluation at baseline (before treatment) and after 1 week, 2 weeks, 1 month, 3 months and 6 months. Results: After 6 months, group I showed statistically significant higher prevalence of pain, food stagnation, restoration defects and widening of lamina dura than group II while for bacterial count evaluation, the microbiological assay results show there was no statistically significant difference between the two groups. Conclusion: The results indicate that Nano-glass ionomer can be considered a successful alternative restorative material for ART technique with promising results in treatment of children with autistic spectrum disorder. since it requires little setup time and the equipment is portable. It might help to reduce barriers to treatment of patients with disabilities and young and uncooperative children in which fear and anxiety are the reasons behind the unmanageable behaviors of children in the dental chair [8,9]. The prevalence of autism has been increasing drastically over the past few decades. Due to tremendous lack of awareness, this special group is often neglected. Few studies over the past years showed a higher rate of oral diseases among the autistic patients [10]. Autism specifically affects brain function in the areas responsible for the development of communication and social interaction skills. The hallmark of autism is the lack of communication skills. Affected children also have problems with language, behavior and social skills [11]. Most recent studies of centers for Disease Control and Prevention suggest that children who meet the Autistic Disorder criteria range in numbers of up to 12 per 1,000 children, worldwide. Prevalence rates per country are difficult to determine. Wong [12], and Posserud et al. [13], calculated and identified respective country's approximate prevalence rates of autism diagnoses of children living in other countries throughout the world and combined as follows:

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Section: Discussionsupporting

confidence: 93%

A Comparative Study of the Efficiency of two Different Glass Ionomer Using ART Technique in a Group of Egyptian Children with Autistic Spectrum Disorder

Elbaz¹,

El-Din²,

Mabrok³

2015

Int J Oral Craniofac Sci

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“…Glass-ionomer cements (GICs) are well known for their cariostatic behavior, which is based not only on their antibacterial effect (Duque et al 2005;Tegginmani et al 2013) but also on the inhibition of bacterial acid production (Nakajo et al 2009) due to the fluoride release. Both of these properties will contribute to a lower acidity of the plaque around GIC compared with resin composites (Mayanagi et al 2014).…”

Section: Discussionmentioning

confidence: 99%

Lack of Buffering by Composites Promotes Shift to More Cariogenic Bacteria

et al. 2016

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Secondary caries (SC) remains a very important problem with composite restorations. The objectives of this study were to test the acid-buffering ability of several restorative materials and to evaluate whether buffering of the restorative material has an impact on the microbial composition of the biofilm. Disk-shaped specimens of conventional composite, composite with surface prereacted glass-ionomer filler particles (so-called giomer), glass-ionomer cement (GIC), amalgam, and hydroxyapatite (HAp) (control) were exposed to aqueous solutions with pH 4, 5, 6, and 7 and to the medium containing bacteria-produced acids, and pH changes were recorded over several days. Next, material specimens were immersed in bacterial growth medium with pH adjusted to 5. After a 24-h incubation, the extracts were collected and inoculated with a cariogenic (Streptococcus mutans) and a noncariogenic (Streptococcus sanguinis) species. The bacterial growth was monitored both in a single-species model by spectrophotometry and in a dual-species model by viability quantitative polymerase chain reaction. Amalgam and HAp showed the strongest acid-buffering ability, followed by the GIC and the giomer, while the conventional composite did not exhibit any buffering capacity. Furthermore, due to the lack of acid-buffering abilities, composite was not able to increase the pH of the medium (pH 5), which, in the absence of antibacterial properties, allowed the growth of S. mutans, while the growth of S. sanguinis, a less aciduric species, was completely inhibited. A similar effect was observed when bacteria were cultured together: there was a higher percentage of S. mutans and lower percentage of S. sanguinis with the conventional composite than with other materials and HAp. In conclusion, conventional composites lack the ability to increase the local pH, which leads to the outgrowth of more acidogenic/aciduric bacteria and higher cariogenicity of the biofilm. Together with lack of antibacterial properties, lack of buffering may account for the higher susceptibility of composites to SC.

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“…Various studies have shown that glass ionomer cements (GICs) 1,2 have potential bioactivity, adhesion to hard tissues and also reduce the formation of plaque by Streptococcus mutans strains. [3][4][5][6][7][8][9][10][11][12] The antibacterial activity of glass ionomer cements (GIC) is mostly attributed to their fluoride and other ions release for secondary caries inhibiting effect, which has been already confirmed in vitro with lower demineralization depths of the glass ionomer groups adjacent to the dental hard tissue. [13][14][15][16][17][18][19] Thus, these cements are expected to actively control microbial biofilm formation, while biofilms modulate the release of fluoride from GICs.…”

Section: Introductionmentioning

confidence: 99%

Untitled

2019

JABB

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The objective is to short review the current state of the art of dental antimicrobial agents in term of minimal invasive restorative dentistry. An outline of the most important aspects of dental antimicrobial agents was created, and a subsequent literature search for articles related was conducted. The current state of the art of antimicrobial agents includes a variety of species with broad ranges of properties. There is no agreement as to the choice of substances and concentration, however, there is a growing consensus regarding the need to use antimicrobial agents as additions into dental restorative materials' compound in patients with high intensity of active caries disease.

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Comparison of Antibacterial Activity of Glass-ionomer Cement and Amalgam in Class Two Restorations by Streptococcus mutans Count Analysis at Fixed Intervals: An in vivo Study

Abstract: Glass ionomer cement should be preferred over amalgam in conservatively prepared restorations as it reduces the microbial activities due to fluoride release.

Cited by 5 publications

References 24 publications

A Comparative Study of the Efficiency of two Different Glass Ionomer Using ART Technique in a Group of Egyptian Children with Autistic Spectrum Disorder

A Comparative Study of the Efficiency of two Different Glass Ionomer Using ART Technique in a Group of Egyptian Children with Autistic Spectrum Disorder

Lack of Buffering by Composites Promotes Shift to More Cariogenic Bacteria

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