Abstract
Objective: This work aims to use new spectroscopic and radiographic methods to study the dental hard tissue erosion and abfraction, as these lesions are actually quite difficult to be diagnosed in clinical practice. Material and Methods: This in vivo study was conducted on 60 patients with early erosion and 60 patients with abfraction at the cervical area by means of laser-induced fluorescence (LIF) and multilayer spiral computed tomography (MSCT). Results: In comparative dental hard tissues studies LIF spectra from intact and affected areas, it was noted multidirectional fluorescence intensity dependence between areas affected by abfraction and intact areas. MSCT technique allowed assessing the degree of damaged areas, especially at deeper stages. Conclusion: Although LIF and MSCT methods presented limitations, it was shown their effectiveness in the diagnosis of abfraction and erosion by detecting changes in the morphological structure as well as in the chemical and mineral composition of affected dental hard tissues. So LIF and MSCT methods can be successfully used in order to develop new medical devices which will provide most accurate clinical diagnose of different stages of dental erosion and abfraction.KEYWORDSFluorescence spectroscopy; Spiral computed tomography; Tooth demineralization; Tooth erosion.
Highlights
O ne of the main problems of modern dentistry is the diagnosis and treatment of non-carious lesions of dental hard tissues
laser-induced fluorescence (LIF) and multilayer spiral computed tomography (MSCT) methods can be successfully used in order to develop new medical devices which will provide most accurate clinical diagnose of different stages of dental erosion and abfraction
In cases when there was no intact area in the affected tooth, the reference spectrum was obtained from the intact cervical area of an equivalent tooth
Summary
O ne of the main problems of modern dentistry is the diagnosis and treatment of non-carious lesions of dental hard tissues. This kind of pathology is the most widely common, next to caries, which often leads to progressive loss of dental enamel and dentin. Itpresents a certain similarity with cervical caries and erosion and is taken into account in clinical dentistry in the diagnosis of enamel hypoplasia and dental fluorosis. Another extremely common non-carious lesion is tooth erosion. Similar symptoms of the clinical progression, especially during the initial period,make difficult the diagnosis and the choice of therapeutic and preventive measures [4-11]
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