Apparatus and methods for visual demonstration of dental erosion on simulated dental materials

A technology for imitating tooth enamel layers and strips, which can be applied to devices for coating liquid on the surface, tooth protection coatings, dentistry, etc., and can solve the problems of large regional differences in the estimation of erosion incidence

Active Publication Date: 2012-10-03
THE PROCTER & GAMBLE COMPANY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Estimates of the incidence of erosions vary widely and have significant geographic variation, but in

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  • Apparatus and methods for visual demonstration of dental erosion on simulated dental materials
  • Apparatus and methods for visual demonstration of dental erosion on simulated dental materials
  • Apparatus and methods for visual demonstration of dental erosion on simulated dental materials

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Embodiment Construction

[0017] All percentages and ratios used in this Detailed Description of the Invention are by weight of the total composition, unless otherwise specified. Unless otherwise specified, all percentages, ratios and contents of ingredients are based on the actual content of the ingredients and do not include solvents, fillers or other substances that may be combined with these ingredients in commercially available products.

[0018] Terms not expressly defined in this patent are to be understood in their broadest plain or ordinary meaning. A term is considered to be clearly defined in this patent only if it is referred to by a phrase like "the term X means Y." It should be understood that an expressly defined term X is defined in accordance with definition Y provided, unless otherwise indicated.

[0019] Statements in any part of this patent other than the claims will not be construed as intended to limit the meaning of any term in the claims. Even if a term mentioned outside of a ...

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Abstract

Comparative effectiveness of various oral care products such as dentifrices on preventing dental erosion may be demonstrated using simulated enamel. A substrate is prepared. A mineral layer to simulate dental enamel is nucleated by solution growth on the substrate surface. Alternatively, the mineral layer may be nucleated on a template comprising a self-assembled monolayer formed on a gold layer deposited on the substrate surface. The mineral layer may comprise a homogeneous layer of hydroxyapatite or a thin veneer of hydroxyapatite on a layer of amorphous calcium phosphate. The simulated enamel is then optionally treated with an oral care product and subjected to an acid challenge. The amount of mineral layer remaining after the acid challenge dramatically illustrates the effectiveness or non-effectiveness of the oral care product at preventing dental erosion.

Description

Background of the invention [0001] Embodiments described herein generally relate to devices and methods that provide a visual representation of tooth erosion. [0002] Dental erosion is the dissolution of the tooth surface caused by acids of non-bacterial origin. The source of the acid can be gastric juices (destruction of the hard tissue of the crown) caused by medical conditions such as gastroesophageal reflux or binge eating disorder. Erosion is more commonly caused by acids from dietary sources such as sports drinks, certain soft drinks, fruits and juices. Estimates of the incidence of erosions vary widely and there are significant geographical variations, but the incidence of erosions observed clinically in children in some Western countries is as high as 60%. [0003] Tooth cleaning products are continuously being developed with active ingredients to improve tooth erosion prevention. However, there is a need to demonstrate the improved efficacy of new products to the ...

Claims

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Application Information

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IPC IPC(8): G09B23/28A61K6/838
CPCA61K6/0017B05D2350/65G09B23/283B05D1/185A61K6/20G09B19/0084
Inventor 菲利普·阿萨·德雷克彭如展乔治·恩德尔·德克纳
Owner THE PROCTER & GAMBLE COMPANY
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