نتایج جستجو برای: tooth remineralization
تعداد نتایج: 90621 فیلتر نتایج به سال:
Surface Enamel Remineralization: Biomimetic Apatite Nanocrystals and Fluoride Ions Different Effects
A new method for altered enamel surface remineralization has been proposed . To this aim carbonate-hydroxyapatite nanocrystals which mimic for composition, structure, nanodimensions, and morphology dentine apatite crystals and resemble closely natural apatite chemical-physical properties have been used The results underline the differences induced by the use of fluoride ions and hydroxyapatite ...
The objective of this in vitro study was to evaluate a possible remineralization of human carious dentin by calcium hydroxide. Thirty-nine freshly extracted human permanent and deciduous carious teeth were split into two halves. One half was used as control and the other as experimental. In the latter, a cavity was prepared and the remaining bottom layer of demineralized dentin capped with chem...
The minimal intervention in dentistry (MID) is a response to traditional concepts of operative dentistry developed by Black, more than a century ago. The MID philosophy is based on the knowledge of caries disease process and adhesive dentistry. Its main goal is to maintain tooth in function for life. Some procedures/protocols that represent MID philosophy are caries risk assessment, early carie...
The efficacy of a new remineralization system was determined in vivo by maintaining a low concentration of approximately 1 ppm fluoride for 48 hrs against a demineralized human tooth. Human subjects were selected who wore removable partial dentures containing two or more of the demineralized teeth with film system. The findings indicate levels of fluoride uptake to 500 ppm at 50 micron depths i...
Dental hypersensitivity is a communal problem that we may often encounter in the daily life of both men and women, especially elderly who can unconsciously affect every activity. Dentin defined as sharp pain caused by stimulation exposed dentin unprotected enamel which be attrition, abrasion, crown fracture, gingival recession, orthodontic trauma. Aim: The aim this study was to analyse potentia...
Remineralization of minor enamel defects is a normal physiological process that is well known to clinicians and researchers in dentistry and oral biology. This process can be facilitated by various dietary and oral hygiene procedures and may also concern dentin caries lesions. Dental caries is reversible if detected and treated sufficiently early. Habitual use of xylitol, a sugar alcohol of the...
Despite a plethora of in situ studies and clinical trials evaluating the efficacy of fluoridated dentifrices on caries control, in vitro pH cycling models are still broadly used because they mimic the dynamics of mineral loss and gain involved in caries formation. This paper critically reviews the current literature on existing pH-cycling models for the in vitro evaluation of the efficacy of fl...
Dental caries is a infectious microbiologic disease of the tooth that results in localized dissolution and destruction of calcified tissues. Its seen in all age groups, few preventive agents have been evaluated to prevent the caries. Xylitol, a polysugar, obtained from birch tree has been shown to reduce dental caries when mixed with food, chewing gums and milk. Dental caries are prevalent in a...
Background and aims. Promoting remineralization is the ultimate goal of clinical prevention of caries lesion. The present in vitro study aimed to investigate the effect of grape seed extract (GSE) on artificial enamel caries in primary human teeth. Materials and methods. Seventeen human sound primary incisors were sectioned mesiodistally. The tooth slices were placed in a demineralizing solutio...
Background and Aims: The main cause of erosion is acid exposure . Side effects of erosion necessitate therapeutic agents’ uses. The aim of this study was to investigate the effects of nano- hydroxy apatite in tooth remineralization following exposure to soft beer. Materials and Methods: This in vitro experimental study was conducted on 18 human impacted third molars that had been surgically...
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