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consequences teeth whitening

Gaurangi Kakodkar, Anuj Lavania, Ida De Noronha De Ataide
INTRODUCTION: Tooth whitening products enjoy substantial popularity. However, tooth hypersensitivity is invariably an undesirable consequence. Desensitizing toothpastes may be used for alleviating the symptoms. NovaMin, as an active ingredient in many dentifrices, has been shown to deliver significant therapeutic desensitising benefits. AIM: To study the effect of NovaMin desensitising toothpaste mixed with 15% carbamide peroxide on tooth bleaching and tubule occlusion...
December 2013: Journal of Clinical and Diagnostic Research: JCDR
David Mitchell, Lakshmi Paniker, Dianne Godar
Ultraviolet radiation (UVR) exposure to internal tissues for diagnostic, therapeutic and cosmetic procedures has increased dramatically over the past decade. The greatest increase in UVR exposure of internal tissues occurs in the cosmetic industry where it is combined with oxidizing agents for teeth whitening, often in conjunction with indoor tanning. To address potential carcinogenic risks of these procedures, we analyzed the formation and repair of the DNA photoproducts associated with the signature mutations of UVR...
July 2012: Photochemistry and Photobiology
C Fornaini, G Lagori, E Merigo, M Meleti, M Manfredi, R Guidotti, A Serraj, P Vescovi
Many dental bleaching techniques are now available, several of them using a laser source. However, the literature on the exact role of coherent light in the biochemical reaction of the whitening process is very discordant. The aims of this in vitro study were: (1) to compare two different laser sources, a KTP laser with a wavelength of 532 nm and a diode laser with a wavelength of 808 nm, during dental bleaching, and (2) to investigate the relationships among changes in gel temperature, tooth shade and hydrogen peroxide (HP) concentration during laser irradiation...
January 2013: Lasers in Medical Science
Luis J Herrera, Rosa Pulgar, Janiley Santana, Juan C Cardona, Alberto Guillén, Ignacio Rojas, María del Mar Pérez
Tooth bleaching is becoming increasingly popular among patients and dentists since it is a relatively noninvasive approach for whitening and lightening teeth. Instruments and visual assessment with respect to commercial shade guides are currently used to evaluate tooth color. However, the association between these procedures is imprecise and the degree of color change after tooth bleaching is known to vary substantially between studies; there are currently no objective guidelines to predict the effectiveness of a tooth-bleaching treatment...
January 20, 2010: Applied Optics
A Lussi, E Hellwig
A prerequisite for preventive measures is to diagnose erosive tooth wear and to evaluate the different etiological factors in order to identify persons at risk. No diagnostic device is available for the assessment of erosive defects. Thus, they can only be detected clinically. Consequently, erosion not diagnosed in the early stage may render timely preventive measures difficult. In order to assess the risk factors, patient should record their dietary intake for a distinct period of time. Then a dentist can determine the erosive potential of the diet...
2006: Monographs in Oral Science
C J Tredwin, S Naik, N J Lewis, C Scully
Hydrogen peroxide in the form of carbamide peroxide is widely used for tooth whitening (bleaching), both in professionally- and in self-administered products. Adverse effects have become evident. Cervical root resorption is a possible consequence of internal bleaching and is more frequently observed in teeth treated with the thermo-catalytic procedure. Tooth sensitivity is experienced in 15-78% of patients undergoing external tooth bleaching. However, clinical studies addressing other adverse effects are lacking...
April 8, 2006: British Dental Journal
Paul A Sagel, William F Landrigan
Professionally dispensed, take-home whitening products originally consisted of tray systems into which the patient dispensed a peroxide-containing gel. Because the process of inserting peroxide-containing gels into the trays is patient controlled, the resulting exposure of the gingiva to peroxide can be variable, and often high. In addition to concentration, soft tissue irritation is a function of the amount, or dose, of peroxide with which the tissue is challenged. All other things being equal, higher-concentration products will whiten faster because of the peroxide concentration gradient, but they also will lead to poorer soft tissue tolerability because of a higher peroxide challenge...
August 2004: Compendium of Continuing Education in Dentistry
Luciano Bachmann, Elisa Thomé Sena, Sandro Fernando Stolf, Denise Maria Zezell
Enamel and dentin discolouration have extrinsic and intrinsic origins. Possible causes include pigmented food or drink, caries, clinical chemical treatments, trauma and, high temperature. In the oral cavity, dental hard tissues can be heated when irradiated with high-intensity lasers. This paper, reports initial results on the discolouration of enamel and dentin induced by thermal treatment. The samples used in this work were bovine incisor teeth. Enamel and dentin discolouration were verified using microscopy and transmission spectroscopy...
March 2004: Archives of Oral Biology
M Cox, J Chandler, A Boyle, P Kneller, R Haslam
This paper examines unusual eighteenth and nineteenth century dental treatment and its consequences, in a nobleman excavated from beneath St. Nicholas' Church, Sevenoaks, Kent, UK in the early 1990s. This rare archaeological case exhibits erosion of dental enamel on the labial surface of all the anterior dentition. A programme of historical research suggests that this might be attributed to the application of an acid-based dental tincture or the use of an abrasive substance to whiten the teeth. Palliative treatment for the consequence of this application was prescribed by Dr Robert Blake of Dublin...
December 9, 2000: British Dental Journal
R B Price, M Sedarous, G S Hiltz
Tooth whitening products may be in contact with intraoral structures for several hours or they may be used daily to whiten the teeth. Consequently, these products should have a relatively neutral pH to minimize potential damage. This study measured the pH of 26 commercially available tooth-whitening products. The pH of the different whitening products ranged from 3.67 (highly acidic) to 11.13 (highly basic). The dentist-supervised home-bleaching products had a mean pH of 6.48 (range 5.66 to 7.35). The over-the-counter whitening products had a mean pH of 8...
September 2000: Journal—Canadian Dental Association, Journal de L'Association Dentaire Canadienne
K Lyons, B Ng
Based on current clinical experience and research, dentist-prescribed home bleaching, also referred to as nightguard vital bleaching, is a safe and effective technique for whitening teeth when a carbamide peroxide material (up to 10 percent) is used. The bleaching material should be produced by a recognised and reputable manufacturer and must be used under a dentist's supervision over a relatively short time. Mild thermal sensitivity is a common side effect; however, no long-term pulpal effects have been shown...
September 1998: New Zealand Dental Journal
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