By using a dentifrice or toothpaste for sensitive teeth, the brushing-induced effects on dentinal tubule occlusion and abrasion of human sound dentin were investigated with a scanning electron microscope and a scanning laser microscope. The dentifrice contained diatomaceous earth and silica as ...

The association between a toothbrush and a dentifrice is the most used denture cleaning method. The purpose of this study was to evaluate the abrasiveness of specific and non-specific denture cleaning dentifrices on different heat-polymerized acrylic resins. Sixteen specimens (90 x 30 x 3 mm) of each acrylic resin (QC-20, Lucitone 550, ...

It has been suggested that fluoride products are able to reduce erosive tooth wear. Thus, the purpose of this in vitro study was to evaluate the effect of dentifrices with different fluoride concentrations as well as of a low-fluoridated dentifrice supplemented with trimetaphosphate (TMP) on enamel erosion and abrasion. One hundred ...

... and dicalcium phosphate dihydrate completely ... FLUORIDES), TEETH, CALCIUM COMPOUNDS, PHOSPHATES, DISEASES ...

The dentifrices currently available in the marketplace contain many anticariogenic substances, fluoride and abrasives aimed to better clean the dental surface, remove dental plaque, improve salivary flow and its buffer capacity and reduce colonies of bacteria such as S. mutans, the causative agent of dental caries. The objective of this study was to ...

The effect of twice-daily brushing with one of three different dentifrices (Arm & Hammer Dental Care, Arm & Hammer Dental Care Extra Whitening, Crest) on stain removal and tooth whitening was examined in 115 volunteers over a period of 12 weeks. The facial surfaces of 12 anterior teeth were assessed for stain using a published, modified version of ...

Assessments of the abrasion of hard dental tissues produced by different dentifrices are usually carried out on extracted teeth in the laboratory. The tests most commonly used to measure dentifrice abrasion on dentin and enamel are the radiotracer (radio-active) and profilometry methods. The radiotracer dentin ...

Our purpose was to apply a radiometric method to an abrasiveness evaluation in samples of silica and calcium carbonate used as an abrasive in a dentifrice, to help in a prudent selection of materials by dentifrice producers. The results of RDA (radioactive dentin abrasion) ...

To the right is a "brush flower" of circles produced by scrubbing the surface of the rock with the abrasion tool's wire brush. Scientists used the rover's ...

The purpose of this study was to assess the amount of ingested fluoride and the fluoride dose to which children are subjected during toothbrushing with a conventional dentifrice (1500 ppm F) and a children's dentifrice with special flavor (1100 ppm F) and evaluate the influence of rinsing and expectoration after brushing. Six ...

The purpose of this study was to determine the depth of deposit removal of three dentifrices using a dental felt polishing tip or an Oral-B P 35 toothbrush. The dentifrices were compared using a laboratory method which simulates clinical tooth polishing or toothbrushing procedures, and utilizes a pressure-sensitive paper that records the depth of deposit ...

A pH cycling remineralization/dimineralization model has been used to compare remineralization and acid resistance benefits provided by commercial MFP and NaF dentifrices. Test results show that fluoride dentifrice systems were effective in enhancing lesion remineralization and providing acquired acid resistance (AAR) to carious lesions, with AAR benefits ...

A 1-week, double-blind clinical study was conducted to compare the effects on plaque formation of two test dentifrices with a placebo dentifrice. Male and female adult subjects received an oral prophylaxis and were randomly allocated to three study groups. The subjects used the dentifrice three times daily and were examined for the ...

Crystal growth inhibition and plaque biofilm calcification laboratory studies were conducted to confirm the anticalculus potential of an enhanced cleaning and whitening dentifrice, based upon a novel enamel-safe, abrasive-polishing silica and pyrophosphate tartar control source with sodium fluoride as the anticaries ingredient. Calcium hydroxyapatite ...

Previous studies have indicated that the use of low-fluoride dentifrices could lead to proportionally higher plaque fluoride levels when compared with conventional dentifrices. This double-blind, randomized, crossover study determined the effects of placebo, low-fluoride, and conventional dentifrices on plaque fluoride concentrations ...

The aim of this study was to evaluate clinically three commercially available dentifrices and to determine any surface effects on tooth or gingival surfaces. Sixty-four participants were included in this study and were allocated randomly to one of four treatment groups by an independent person to ensure the investigators were unaware of the brushing ...

This in vitro study aimed to analyze the effect of including xylitol into a fluoridated dentifrice to provide protection against enamel erosion with or without abrasion. Bovine enamel specimens were subjected to erosion or erosion plus abrasion (7 days) and the treatment with the following dentifrices: 10% xylitol; ...

Aug 27, 2004 ... To the right is a "brush flower" of circles produced by scrubbing the surface of the rock with the abrasion tool's wire brush. ...

This study was carried out to comparatively examine abrasion which occurred as a result of brushing as well as abrasives in veneering materials used in prosthetic restorations. Twenty out of forty specimens prepared at the dimensions of 14x5x3 mm, there being ten specimens of each veneering materials, were subjected to tooth ...

...appropriate: �dentifrice,� �toothpaste,� �tooth polish,� �tooth powder;� (optional: �dental�) �preventive treatment...Adults and children 2 years of age and older: Brush teeth thoroughly, preferably after each...

To cite this article: Int J Dent Hygiene 9, 2011; 223-228 DOI: 10.1111/j.1601-5037.2010.00480.x Bellamy PG, Prendergast M, Strand R, Yu Z, Day TN, Barker ML, Mussett AJ. Can anti-erosion dentifrices also provide effective plaque control? Abstract:? Objective:? While gingivitis and caries continue to be prevalent issues, there is growing concern about dental erosion induced by ...

Kobayashi CAN, Belini MR, Italiani FM, Pauleto ARC, Julianelli de Ara�jo J, Tessarolli V, Grizzo LT, Pessan JP, Machado MAAM, Buzalaf MAR. Factors influencing fluoride ingestion from dentifrice by children. Community Dent Oral Epidemiol 2011; 39: 426-432. � 2011 John Wiley & Sons A/S Abstract?-? Objective:? This study assessed the percentage of the amount of ...

Objective:While gingivitis and caries continue to be prevalent issues, there is growing concern about dental erosion induced by dietary acids. An oral hygiene product that protects against all these conditions would be beneficial. This study investigated the potential of two anti-erosion dentifrices to inhibit plaque.Methods:This was a randomized, three-period, two-treatment, ...

A primary patient motivation for oral hygiene is effective cleaning. Dentifrice serves this function by including ingredients such as abrasives, surfactants, and specialized cleaning ingredients such as anticalculus agents. This introductory article aims to introduce professionals, educators, and researchers on the rationale behind the development of an ...

SUMMARY The purpose of this study was to evaluate the biomechanical degradation of two nanofilled restorative materials (a resin-modified glass ionomer, Ketac N100 and a composite, Filtek Z350), compared with conventional materials (Vitremer and TPH Spectrum). Twenty specimens obtained from each material were divided into two storage groups (n=10): relative humidity (control) and Streptococcus ...

Dentin sensitivity is one of the most painful, ubiquitous, and least satisfactorily treated chronic problems of the teeth. The purpose of this clinical trial was to test the sensitivity-reducing effectiveness of five dentifrices over a six-week period. For the study, 176 adults, ages 18 to 63, exhibiting a total of 486 hypersensitive surfaces, were randomly allocated to five ...

To cite this article: Int J Dent Hygiene 9, 2011; 229-233 DOI: 10.1111/j.1601-5037.2010.00473.x. Kalyana P, Shashidhar A, Meghashyam B, SreeVidya KR, Sweta S. Stain removal efficacy of a novel dentifrice containing papain and Bromelain extracts -in vitro study. ABSTRACT: Objective:? To assess the in vitro stain removal efficacy of a novel commercially available ...

The objective of this double-blind clinical study was to investigate the effectiveness of a commercially available dentifrice containing triclosan and a copolymer (Colgate Total Toothpaste) for controlling long-term, i.e., seven-hour and overnight breath odor. In particular, a comparison was made between the level of control of breath odor provided by the test ...

Tooth whitening agents containing hydrogen peroxide and carbamide peroxide are used frequently in esthetic dental procedures. However, lesions on the enamel surface have been attributed to the action of these products. Using conventional procedures for separating and isolating biological structures, powdered enamel was obtained and treated with hydrogen peroxide, carbamide peroxide, and sodium ...

Jul 21, 2006 ... During recent soil-brushing experiments, the rock abrasion tool on NASA's Mars Exploration Rover Spirit became covered with dust, ...

To cite this article: Int J Dent Hygiene DOI: 10.1111/j.1601-5037.2011.00505.x Tellefsen G, Liljeborg A, Johannsen A, Johannsen G. The role of the toothbrush in the abrasion process. Abstract:? Aim: ? To evaluate the relative abrasivity of different toothbrushes both qualitatively and quantitatively. Materials and Methods:? Acrylic plates were exposed to ...

The objective of this study was to assess the abrasive effects of toothpastes and acidic F gels on sound and demineralized enamel. Pairs of enamel specimens were cut from bovine incisors, embedded in epoxy resin and polished. An artificial subsurface lesion of 80-90 microm depth was created in one specimen from each pair. The samples were covered with adhesive tape, thereby ...

Four resin based materials (Compolute Aplicap, ESPE; Variolink Ultra, Vivadent; C&B Metabond, Parkell and Panavia 21, Kuraray), two carboxylate cements (Poly-F Plus, Dentsply DeTrey and Durelon Maxicap, ESPE), two glass-ionomer cements (Fuji I, GC and Ketac-Cem Aplicap, ESPE), one resin-modified glass ionomer cement (Vitremer, 3M) one polyacid-modified resin composite (Dyract Cem, Dentsply ...

This study evaluated the effects of the short-term use of a dentifrice containing nano-sized carbonate apatite (n-CAP) on the occlusion of the dentinal tubules using a scanning electron microscope (SEM) and an image analyser in vitro. One hundred human dentine specimens were wet ground with a silicone carbide papers and etched with 6% citric acid for 1 min to allow complete ...

ABSTRACT: BACKGROUND: Information bias can occur in epidemiological studies and compromise scientific outcomes, especially when evaluating information given by a patient regarding their own health. The oral habits of children reported by their mothers are commonly used to evaluate tooth brushing practices and to estimate fluoride intake by children. The aim of the present ...

BackgroundInformation bias can occur in epidemiological studies and compromise scientific outcomes, especially when evaluating information given by a patient regarding their own health. The oral habits of children reported by their mothers are commonly used to evaluate tooth brushing practices and to estimate fluoride intake by children. The aim of the present study was to ...

The aims of this study were to modify dental device surface with fluorine and silver and to examine the effectiveness of this new surface modification method. Stainless steel plates were modified by plasma-based fluorine and silver ion implantation-deposition method. The surface characteristics and brushing abrasion resistance were evaluated by XPS, ...

A mechanical tooth brushing device coupled to an atmosphere pressure ionization ion trap mass spectrometer (API-IT-MS) combination has been developed to study the influence of time and dilution on aroma release from a model dentifrice system. API-IT-MS response to nine commonly used dentifrice flavor components was initially studied. ...

The aim of the study was to assess the thickness of softened enamel removed by toothbrushing. Human enamel specimens were indented with a Knoop diamond. Softening was performed with citric acid or orange juice. The specimens were brushed in a brushing machine with a manual soft toothbrush in toothpaste slurry or in artificial saliva. Enamel loss was ...

Apr 14, 2004... Exploration Rover Spirit on sol 99 shows the rock dubbed "Route 66" and a flower-shaped brush mark made by the rover's rock abrasion tool. ...

Dec 1, 2009 ... NASA's Mars Exploration Rover Opportunity used the wire brush of its rock abrasion tool to scour dust from a circular target area on a rock ...

Sep 30, 2004... used its rock abrasion tool to brush a target called "Otto Dix," and .... in the cycle of Mars days progressing relative to Earth days). ...

The aim of this study was to evaluate the remineralization potential of three silica-containing NaF dentifrice systems in an intraoral model. Subjects (N?=?30) in this randomized, three-phase, 28-day, crossover study served as their own control. Each participant wore a customized orthodontic appliance attached to a mandibular molar and contained one tooth block with ...

This cross-sectional study evaluated the consumption of fluoridated dentifrice and associated factors in Passo Fundo, Rio Grande do Sul State, Brazil. A total of 688 households were selected. A structured questionnaire was answered by the mother to obtain demographics, habits, and toothpaste consumption. Household toothpaste consumption was considered low when a tube lasted ...

In vitro and in situ studies modelling the wear of dental hard tissues due to erosion and abrasion are characterised by a high variation in study designs and experimental parameters. Based on a summary of the existing protocols, the present review aimed to describe and discuss the parameters which must be carefully considered in erosion-abrasion research, ...

The aim of this study was to investigate the wear of four nanofilled resin composites using simulated toothbrushing for 50,000 cycles with calcium carbonate slurry. The depth of abrasion and roughness (Ra) were measured after each 10,000 brushing cycle. The surface texture of the worn samples was examined by SEM.The wear depths of the nanofill Filtek ...

The purpose of this study was to evaluate the surface roughness and resistance to toothbrush abrasion of three experimental paint-on composite resins developed for the shade modification of crown and bridge resins. The paint-on resins had less filler volume fraction than restorative composites or the crown and bridge resins and consequently were of low viscosity. The maximum ...

The study aimed to compare the wear behaviour of human and bovine dentine due to toothbrushing with different relative dentin abrasivity (RDA) toothpastes. Forty human and 40 bovine dentine samples were prepared from bovine lower incisors or human premolars roots, and baseline surface profiles were recorded. The samples were distributed to four groups (each group n = 10 human ...

This two-lesson text on deburring provides engineers and production supervisors with an overall understanding of deburring economics and capabilities. The subject matter includes economics, side effects, process selection techniques, product design influences, standards, plant-wide approaches, and burr formation and prevention. Deburring methods discussed include barrel, centrifugal barrel, ...

This ten lesson text on deburring is designed to provide engineers and production supervisors with an overall understanding of deburring economics and current capabilities. The material included describes economics, side effects, process selection techniques, product design influences, standards, plantwide approaches, burr formation, and prevention. Deburring methods described include barrel, ...

BackgroundSupervised toothbrushing programs using fluoride dentifrice have reduced caries increment. However there is no information about the effectiveness of the professional cross-brushing technique within a community intervention. The aim was to assess if the bucco-lingual technique can increase the effectiveness of a school-based supervised ...

Topical fluorides have been proposed for the prevention of erosive dental wear. This study evaluated the in vitro effect of a single professional application of 4% titanium tetrafluoride (TiF4), 1% amine fluoride (AmF) and 0.1% difluorosilane varnish (FV) in preventing wear due to combined erosion and brushing abrasion. One hundred and eight bovine enamel ...

Toothpaste is one of the most widely used dental products, with the largest sales. Its use is one of the most popular oral hygiene behaviors in developed countries. In the last 30 years there has been a large variety of changes in toothpaste composition. One of the main changes is utilizing the toothpaste as a delivery system for therapeutic agents to the oral cavity. A large variety of ...

Salifluor (5-n-octanoyl-3'-trifluoromethyl-salicylanilide), a broad spectrum antimicrobial agent, was investigated for its ability to inhibit dental plaque formation. A combination of salifluor with PVM/MA copolymer and NaF was optimized for its antiplaque effect in mouthrinse and dentifrice formulations based on a series of both laboratory and clinical studies. It was found ...

The aim of this study was to determine maximum attainable protection of enamel from erosion and erosion abrasion using a highly fluoridated gel with and without additional fluoride from toothpaste. Thirty-six bovine enamel specimens were subjected to six erosive attacks per day (1% citric acid with pH 2.3 for 30 s), while the rest of the day the specimens were in artificial ...