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2 edition of Fluoride resistance in S. Mutans from paediatric carious lesions found in the catalog.

Fluoride resistance in S. Mutans from paediatric carious lesions

Yi-Cheng Chang

Fluoride resistance in S. Mutans from paediatric carious lesions

by Yi-Cheng Chang

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Published by Faculty of Dentistry, University of Toronto] in [Toronto .
Written in English


Edition Notes

Thesis (Dip.Paediatric Dent.)--Faculty of Dentistry, University of Toronto, 1993.

Statementby Yi-Cheng Chang.
ID Numbers
Open LibraryOL21466218M

Tooth decay, also known as dental caries or cavities, is a breakdown of teeth due to acids made by bacteria. The cavities may be a number of different colors from yellow to black. Symptoms may include pain and difficulty with eating. Complications may include inflammation of the tissue around the tooth, tooth loss, and infection or abscess formation.. The cause of cavities is acid from. Dental caries is a multifactor disease affecting a significant number of people throughout the world. However, in recent decades the widespread availability of fluoride and other preventive measures have resulted in a decline in the prevalence of caries among children and young adults. Currently, it is accepted that most carious dental lesions are restricted to specific anatomical sites.

RESULTS: Six weeks later, lesions treated with a single AgF/SnF2 or AgNO3 application demonstrated 29% and 19% less lesion progression, respectively, than did the control group (P ). SDF and CHX did not differ significantly from the control. CONCLUSION: AgF/SnF2 and AgNO3 may be useful in slowing down carious lesion depth progression.   1 INTRODUCTION. Silver diammine fluoride, also known as silver diammine fluoride (SDF) as it is most commonly used in the dental literature, has been used for arresting dental caries in children worldwide since the early s. 1, 2 From , its use was approved in USA, 3 for tooth sensitivity, caries arresting, as off‐label use, and prevention, as a non‐invasive approach for caries.

Evaluation of the Remineralization Treatments of White Spot Lesions in Primary Teeth: A Systematic Review. Hariri El Mehdi 1,, Benkarroum Fatimazahra 2, El Mohtarim Bouabid 3, Chhoul Hakima 4 and Ramdi Hind 2. 1 Department of Pediatric Dentistry, C.C.D.T, Faculty of Dentistry, Mohamed V University of Rabat, Military Hospital of Rabat, Morocco. 2 Department of Pediatric Dentistry, C.C.D.T. Standard method for classifying dental caries. Divided into classes according to surfaces of teeth. Class I: Pits or fissures (occlusal surfaces of premolars and molars, facial and lingual surfaces of molars, lingual surfaces of maxillary incisors) Class II: Proximal surfaces of premolars and molars.


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Fluoride resistance in S. Mutans from paediatric carious lesions by Yi-Cheng Chang Download PDF EPUB FB2

Streptococcus mutans is a facultatively anaerobic, gram-positive coccus (round bacterium) commonly found in the human oral cavity and is a significant contributor to tooth decay. It is part of the "streptococci" (plural, non-italic lowercase), an informal general name for all species in the genus microbe was first described by J Kilian Clarke in Class: Bacilli.

Introduction. A recent review on silver diamine fluoride (SDF) concluded that SDF is a safe, effective, efficient, and “equitable” caries control agent that can be used to help meet the World Health Organization Millennium Goals and fulfill the US Institute of Medicine’s criteria for 21st century medical care ().Milgrom and Chi advocated that SDF therapy is an important prevention Cited by:   INTRODUCTION.

Good oral health is an integral component of good general health. Many children and adolescents have inadequate oral and general health because of active and uncontrolled dental caries.

1 Oral micro-organisms are considered crucial for the initiation and progression of dental caries. Among the various micro-organisms studied, S. mutans have been Cited by: 5. Streptococcus mutans is the main microbial pathogen in the etiology of caries, although there are complex interactions with other microflora present in plaque.

Once colonization by S. mutans has occurred, fermentable carbohydrates provide a substrate for its growth, and production of organic acids, including lactic, formic, and acetic acid.

transient fluoride-resistant S. mutans strains have been isolated from xerostomia patients [15,16]. Stable, or permanent, fluoride resistance persists for at least 50 generations after the strain is cultivated without fluoride [13]. It is considered to be a conse-quence of chromosomal alterations [17,18].

TheCited by:   Being non-mutans streptococci and ADS-positive bacteria, S. sanguis and S. gordonii are early colonizers that still form major bacterial group in white spot carious lesions. [9] A study by Li et al. also stated that CPP-ACP has a long-term remineralizing effect on early caries lesions.

[18] The reduction of S. mutans on 1 month is more when compared to that of the 3. Surfaces of carious lesions were harder after SDF application than after water application (P in S. mutans group, Ca and P weight percentage after SDF application than after water. Fluoride’s anti-caries efficacy at increasing biofilm maturation was explored.

• Three fluoride compounds were tested at three biofilm maturation stages. • pH cycling model was used, lesion severity and biofilm cariogenicity were evaluated. • Maturation stage may influence the fluoride compound used for a cariostatic effect.

Silver diammine fluoride, (SDF) also known as Silver diamine fluoride in most of the dental literature, (although this is a chemical misnomer) is a topical medication used to treat and prevent dental caries (tooth decay) and relieve dentinal hypersensitivity.

It is a colorless (most products) or blue-tinted (Advantage Arrest), odourless liquid composed of silver, ammonium and fluoride ions at. Based on preventive dentistry, topical fluoride may be a useful measure to arrest caries lesions.

Fluoride used in various forms have been proven to be effective in dental caries prevention. Aim: This study aims to compare the effect of fluoridated varnish and silver diamine fluoride (SDF) solution on primary teeth enamel resistance to.

The number of salivary mutans in the oral cavity is correlated to the formation of new carious lesions and it is generally accepted that decreased number of S. mutans also reduces carious activity. In the present study, saliva was used for estimation of bacterial count because saliva represents the oral load of microorganisms, as well as their.

Aim: This in vivo study was designed to compare the antimicrobial effect of toothpastes containing fluoride, xylitol, or xylitol-probiotic on Streptococcus mutans and Lactobacillus in year-old als and Methods: The study consisted of 60 pediatric patients who were randomly divided into three groups of 20 each.

Group 1 recieved fluoride toothpaste (Colgate Max Fresh), group. reduction of salivary S. mutans levels (10). As bacterial recolonization has been observed a few days thereafter, strict control of the diet is important (11).

Annual SDF application has been shown to prevent new caries and halt the progression of existing lesions with a high success rate (5).

Throughout history, silver has been used as an. mutans has different interactions with dentin and enamel. Dentin has more organic content and is less mineralized than enamel. Virulence of S. mutans is affected by its adherence to collagen in dentin causing cariogenicity [].Photodynamic therapies have been conducted previously with carious dentin [19,20,21,22,23].The present study extends the application of an early caries detection.

Effect of different fluoride varnishes on remineralization of artificial enamel carious lesions Siti N. Mohd Said Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong (SAR), China. pediatric patient cohort that had been diagnosed with severe early childhood caries [S-ECC].

In the original study, isolates were collected both prior to and following full-mouth dental rehabilitation, which included the removal and/or repair of carious lesions and application of antimicrobial rinse and fluoride varnish.

We now. applications of fluoride and can be broadly grouped as follows - increased enamel resistance, reduces the levels of and assists in remineralization of the tooth structure. It acts by inhibiting the metabolism of Active carious lesions are more remineralizable than non.

Dental caries is one of the major diseases of the oral cavity affecting humans worldwide. Different alternatives have been used for its control, but its incidence and prevalence are still high. On the other hand, silver has been used for centuries due to its antimicrobial properties.

With advances in nanotechnology, the use and research in nanomaterials has increased, recently, and silver. major virulence factors of S. re-sence of fluoride, this ability has largely diminished [21,23 32].

The glycolysis of S. mutans stops at pH in the presence of 10 mM F–,whileinthe absence of F–, it is only inhibited at a pH lower than [23]. The survival rate of S. mutans after exposure to a lethal pH () decreases 77% in. On the other hand, further progress of carious lesions has a relation with Lactobacillus.[4] Throughout Aim: This in vivo study was designed to compare the antimicrobial effect of toothpastes containing fluoride, xylitol, or xylitol-probiotic on Streptococcus mutans and Lactobacillus in .A total of 63 children with lesions were stratified according to active carious lesions ( lesions or ≥ 3 lesions), then they were randomly allocated into one of the following groups: • Group A: Nano-Silver Fluoride with green tea extract (NSFGTE) • Group B: SDF In the next visit, the affected tooth surfaces were gently cleaned by a.Background: Although fluoride enables remineralization, presence of calcium and phosphate ions is necessary to promote the process.

So, various nonfluoridated remineralizing agents have been emerging to treat the noncavitated carious lesions. Aim: The aim of this systematic review was to assess the clinical effectiveness of nonfluoridated remineralizing agents on initial enamel carious lesions.