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  • Effect of an Experimental Paste with Hydroxyapatite ...

    Two-hundred and forty enamel and 240 dentine specimens were selected by using surface microhardness; half of them were subjected to pre-demineralisation and the other half remained sound. Sound specimens were further exposed to severe cariogenic challenge (20% sucrose in biofilm) in situ, while pre-demineralised specimens were not.

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  • Effect of a Dentifrice Containing Nanohydroxyapatite on ...

    The dental profession is still pursuing the most effective way to treat white-spot lesions in order to produce a sound and esthetically pleasing enamel surface. The aim of the present research was to evaluate in vitro the effects of a dentifrice with nanohydroxyapatite (nano-HAp) on the roughness, c …

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  • Restorative Dentistry - 2019 - International Journal of ...

    Twelve sound premolars were exposed to two sets of model conditions (A, B) designed to induce SLs. Teeth on which white lesions had formed in vivo were used as positive controls. All specimens were inspected using an intraoral camera and Raman microscopy to detect small changes in the appearance and structure of the enamel.

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  • Formation and assessment of enamel subsurface lesions in ...

    Objectives: This study examined the dental erosion and demineralization potential of a sports drink containing nano-sized hydroxyapatite (nano-HA) as an additive. Methods: The experimental solutions were Powerade (PA) alone and PA with 0.05%, 0.10%, and 0.25% nano-HA. The pH, titratable acidity, and calcium and phosphate content of each solution were analysed, and the …

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  • The addition of nano-sized hydroxyapatite to a sports ...

    The aim of this paper was to characterise the mechanical properties (MPs) and microstructural features of natural enamel white spot lesions (WSLs) using nano-indentation. Five natural WSLs from 4 extracted sound premolar teeth were cross-sectioned.

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  • Nano-indentation characterisation of natural carious white ...

    Effects of sound generated by a dental turbine and a small stream (murmur) and the effects of no sound (null, control) on heart rate, systolic and diastolic blood pressure, and hemodynamic changes (oxygenated, deoxygenated, and total hemoglobin concentrations) in the frontal cortex were measured in 18 young volunteers. Questionnaires completed by the volunteers were also evaluated.

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  • Effects of sounds generated by a dental turbine and a ...

    We evaluated the noise level of fourteen air-driven handpieces, six low speed (less than 20,000 rev/min) and eight high speed (greater than 160,000 rev/min), with respect to a three-directional co-ordinate system and distances of 6, 12 and 18 in. in each chosen direction. A …

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  • Noise level evaluation of dental handpieces

    2007-4-28 · The quest for an alternative treatment modality to the conventional dental turbine has been, essentially, patient-driven and has led to the development of various mechanical and chemical devices ...

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  • Surgical lasers and hard dental tissue | British Dental ...

    Purpose: Most studies of cavity preparation using Er:YAG lasers have employed permanent teeth. This study's purpose was to compare the cutting efficiency of an Er:YAG laser versus diamond burs in primary and permanent teeth in order to measure thermal effects on the pulp and evaluate lased surfaces using scanning electron microscopy (SEM).

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  • Surgical lasers and hard dental tissue | British Dental ...

    2007-4-28 · The quest for an alternative treatment modality to the conventional dental turbine has been, essentially, patient-driven and has led to the development of various mechanical and chemical devices ...

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  • Oriented and Ordered Biomimetic Remineralization of the ...

    2017-1-12 · Achieving oriented and ordered remineralization on the surface of demineralized dental enamel, thereby restoring the satisfactory mechanical properties approaching those of sound enamel, is still ...

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  • Minimally invasive judgement calls: managing compromised ...

    2020-10-9 · A recent report from one of the largest dental hospitals in the UK showed that 19.4% of the paediatric patients undergoing GA had extractions of cFPMs. ... strengths when compared to sound enamel …

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  • Comparative efficacy of a hydroxyapatite and a fluoride ...

    2019-12-9 · Two enamel blocks (human primary teeth), one sound and one with artificially-produced caries lesion, were exposed to toothpaste containing either 10% hydroxyapatite or 500 ppm F− (amine fluoride ...

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  • NSK-Nakanishi USA

    2021-6-15 · NSK-Nakanishi USA. The operation manuals on this webpage are the most current versions available at this time. All manuals are subject to change without notice. To ensure that you always have the most current manual, please check this website regularly for updates. YES.

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  • Review scaffold design and stem cells for tooth ...

    2013-2-1 · Using different dental cells, researchers with the aid of tissue engineering technique aim to build up mineralized dentin, enamel, and cementum and ultimately tooth crown with its root. Human tooth incorporates a crown façade for munching, and a root, which affixes to the central alveolar bone within the periodontal ligament.

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  • 32,000 LUX of Natural Daylight Quality

    2020-4-16 · Feel our quality of NLX nano micromotor. 68.8mm 93.6mm NL400 NLX nano NLX nano + X95L NL400 + X95L Turbine Thanks to NSK know how, NLX nano has been designed to reduce weight by 20% and size by more than 25% compared with the current NSK micromotor. Despite its smaller size and lighter weight, NLX nano is as powerful and offers the same

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  • 10th CONSEURO

    Dear Colleagues, The European Federation for Conservative Dentistry (EFCD) and the Turkish Society of Restorative Dentistry (RDD) have the honor and pride to organize together the most important Conservative Dentistry Congress of Europe, the 10th ConsEuro. This event was to be held in Antalya Turkey between 22nd and 24th of April 2021.

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  • Experiences of clinical teaching for dental core trainees ...

    2014-7-11 · In this study, 31 DCTs working in five separate hospitals in the Yorkshire and Humber region documented their experiences of clinical teaching in both ward and outpatient settings.

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  • Timeline of dentistry - Timelines

    2021-6-4 · 20th century. The century is one of great advances in dental technology. In the 1950s, the first fluoride toothpastes are marketed. In the 1960s, lasers are developed. In the 1990s, new advances in esthetic dentistry emerge, including tooth-colored restorative materials, bleaching materials, veeners and implants.

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  • Surgical lasers and hard dental tissue | British Dental ...

    2007-4-28 · The quest for an alternative treatment modality to the conventional dental turbine has been, essentially, patient-driven and has led to the development of various mechanical and chemical devices ...

    Get Price
  • Oriented and Ordered Biomimetic Remineralization of the ...

    2017-1-12 · Achieving oriented and ordered remineralization on the surface of demineralized dental enamel, thereby restoring the satisfactory mechanical properties approaching those of sound enamel, is still ...

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  • Ferranti Wong - Institute of Dentistry - Barts and The London

    2021-6-7 · Dental Update 31:602-607; Wong FSL, Kolokotsa K (2004) The cost for treating children and adolescents with injuries in permanent incisors at a Dental Hospital in United Kingdom. Dental Traumatology 20:327-333; Wong FSL, Anderson P, Fan H, Davis GR (2004) X-Ray Microtomographic Study Of Mineral Concentration Distribution In Deciduous Enamel. Oral.

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  • COXO MEDICAL INSTRUMENT CO., LTD. - COXO DENTAL

    COXO is a professional dental products manufacturer in China. News. Dental South China2021 review. During the Dental South China2021 Exhibition, COXO carried out a famous teacher lecture activity, invited three teachers to give lectures, and the scene was very lively!

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  • Discount China Dental Supply Online Store -

    聯絡我們. 地址: 香港柴灣新業街8號八號商業廣場23樓. 電話: (852) 2563 5193. 傳真: (852) 2565 9537. 電郵: [email protected]

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  • Repair of tooth enamel by a biomimetic mineralization ...

    2021-6-4 · 20th century. The century is one of great advances in dental technology. In the 1950s, the first fluoride toothpastes are marketed. In the 1960s, lasers are developed. In the 1990s, new advances in esthetic dentistry emerge, including tooth-colored restorative materials, bleaching materials, veeners and implants.

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  • Handpiece-Turbines.com: NSK Premium Autochuck

    NSK N-65M Canister Autochuck Turbine for NSK N-65M Surgical Dental Handpiece. Our replacement turbines are the perfect fit for your handpiece. For over 20 years, we have served the dental community... MSRP: 189.95.

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  • Sonic and ultrasonic scalers in periodontal treatment: a ...

    2007-1-23 · The sound level that exceeds this frequency is called ultrasonic sound. In dental units, equipment such as ultrasonic scalers, high-speed air turbine drills, high-volume evacuators, and amalgamators mostly produce high intensity noise that may be a potential hazard to the auditory system of the persons exposed to the ultrasound.

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  • Ferranti Wong - Institute of Dentistry - Barts and The London

    2021-6-7 · Dental Update 31:602-607; Wong FSL, Kolokotsa K (2004) The cost for treating children and adolescents with injuries in permanent incisors at a Dental Hospital in United Kingdom. Dental Traumatology 20:327-333; Wong FSL, Anderson P, Fan H, Davis GR (2004) X-Ray Microtomographic Study Of Mineral Concentration Distribution In Deciduous Enamel. Oral.

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  • Applications of polyetheretherketone (PEEK) in oral ...

    2016-1-1 · Polyetheretherketone (PEEK) is a synthetic, tooth colored polymeric material that has been used as a biomaterial in orthopedics for many years , , .The monomer unit of etheretherketone monomer polymerizes via step-growth dialkylation reaction of bis-phenolates to form polyetheretherketone.A common synthesis route for PEEK is the reaction between 4,4′ …

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  • In-Office Air Quality Contamination: What You Don't Know ...

    Visit TryA-dec.com for details. 2009 W&H introduces LED light from non-lighted 4-hole tubing with a unique self-generating turbine. These Alegra handpieces connect seamlessly to nonlighted 4-hole tubing. 2014 W&H develops the smallest electric motor available, the EA-53, which seamlessly integrates into A-dec delivery systems with controls ...

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  • HANDPIECE COLLECTION - A-dec - PDF Catalogs |

    Demineralized enamel specimens were exposed to dentifrices containing 5% or 10% nano-HA, or 1100 ppm fluoride, respectively, via an intraoral appliance worn by 30 adults over a 28-day period. Treatment with all three dentifrices caused significant reduction of the lesion depth and extent of demineralization detected at baseline.

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  • Demineralization - an overview | ScienceDirect Topics

    2009-9-1 · The SBMP system (Group 5) showed the best results on enamel, because of its good bonding efficacy,23,29–30 sufficient enamel etching ability of 35% phosphoric acid and the presence of polyalkenoic acid copolymers in SBMP-primer that lead to bonding durability in a wet environment.30–31 Moreover, repeated formation of the calcium ...

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  • Effect of Phosphoric Acid Etching of Enamel Margins on the ...

    2 天前 · Prestige Dental Products providing low price, top-quality dental supplies, dental equipment, dental orthodontic supply, Shop the best branded of dental materials Prestige Dental Products Toll Free: 877-772-3888

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  • Dental Supplies, Dental Materials, Dental Supply and

    enamel. 1. a coloured glassy substance, translucent or opaque, fused to the surface of articles made of metal, glass, etc., for ornament or protection. 2. an article or articles ornamented with enamel. 3. an enamel-like paint or varnish.

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  • Ergonomics | KaVo Dental

    2021-6-25 · Made for your hand: Each KaVo dental turbine is the result of extensive ergonomic and anatomical studies with consistent dimensions, angles and contours for balanced handling. You can choose from the wide range of KaVo's top class dental turbines. KaVo dental turbines - The perfect interplay of hand and tool.

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  • Statistical Analysis for Subjective and Objective ...

    2016-7-27 · The sound produced by a dental air turbine handpiece (dental drill) can markedly influence the sound environment in a dental clinic. Indeed, many patients report that the sound of a dental drill elicits an unpleasant feeling. Although several manufacturers have attempted to reduce the sound pressure levels produced by dental drills during idling based on ISO 14457, the sound …

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  • Home page [bienair.com]

    website. Dental The specialist. for dentistry Bien-Air Dental is one of the worldwide leaders. in dental high-quality micromotors and handpieces. Surgery The specialist. for surgery Bien-Air Surgery is one of the worldwide leaders. in medical solutions for the various fields. of surgery (ENT, neuro and spine). created by Ideo.

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  • COXO MEDICAL INSTRUMENT CO., LTD. - COXO DENTAL

    COXO is a professional dental products manufacturer in China. News. Dental South China2021 review. During the Dental South China2021 Exhibition, COXO carried out a famous teacher lecture activity, invited three teachers to give lectures, and the scene was very lively!

    Get Price
  • Surface Enamel Remineralization: Biomimetic Apatite ...

    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 …

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  • Difference in physiological responses to sound stimulation ...

    2008-7-27 · The effects of sound generated by an ultrasonic dental scaler and a dental turbine on heart rate, systolic and diastolic blood pressure, and hemodynamic changes in the frontal cortex were measured and compared with those of pure tone stimulation in 17 young volunteers. Near-infrared spectroscopy and the Finapres technique were used to measure hemodynamic and …

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  • Effect of Phosphoric Acid Etching of Enamel Margins on the ...

    2009-9-1 · The SBMP system (Group 5) showed the best results on enamel, because of its good bonding efficacy,23,29–30 sufficient enamel etching ability of 35% phosphoric acid and the presence of polyalkenoic acid copolymers in SBMP-primer that lead to bonding durability in a wet environment.30–31 Moreover, repeated formation of the calcium ...

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  • Dental Surface Texture Characterization Based on Erosive ...

    2016-2-4 · This in vitro study comprised 2 parts (both factorial 4 × 2), with 4 lesion types (erosion, abrasion, erosion-abrasion, and sound [no lesion; control]) and 2 substrates (enamel and dentin). Flattened/polished dental specimens were used in part 1, whereas natural dental …

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  • Dental Laboratory|NSK-Nakanishi USA

    2021-6-15 · Synoptic View. Lube Free Air Turbines. PRESTO AQUA LUX. PRESTO AQUA II. PRESTO II. Turbine Adaptor TA50. Brushless Micromotors. ULTIMATE XL. ULTIMATE XL-D.

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  • Comparative assessment of diamond bur and Er,Cr:YSGG

    2019-2-19 · To compare the effect of Er,Cr:YSGG laser irradiation versus dental bur in class V cavities restored with a bulk fill resin-based material by the use of different etching protocols. Forty-five extracted third molars were used for this in vitro study. Class V restorations were prepared both on the buccal and lingual side of each specimen. All teeth were sealed with an all …

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