Examinando por Materia "Clareamiento dental"

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  • Miniatura
    ÍtemAcceso abierto
    Degrees of staining in dental structures subjected to different types of dental clearing at 48 hours. In vitro study
    (Universidad Privada Norbert Wiener, 2021-12-09) Cotrina Vasquez, Luis Alberto; Morante Maturana, Sara Angelica
    Dental discoloration has been a longstanding concern for many individuals. However, various methods and agents, such as hydrogen peroxide (HP) and carbamide peroxide (CP), applied either at home or in a dental office, have emerged in dental practice to improve aesthetics. It is essential to consider how these applications may have positive or negative effects on patients. This study aimed to determine the degree of staining in dental structures subjected to different types of dental bleaching over 48 hours. The research was experimental, in vitro, and prospective. The study used 10% carbamide peroxide (CP10), 22% carbamide peroxide (CP22), 35% hydrogen peroxide (HP35), and a control group (CG) not exposed to any bleaching agent, totaling 40 experimental samples (n = 40) divided into groups of 10 test bodies each. The degree of staining in dental structures subjected to different types of bleaching was assessed using a Vita EasyShade Advance 4.0 spectrophotometer over 48 hours. Conclusions: Dental structures exposed to 10% carbamide peroxide exhibited the highest degree of staining, with darker coloration compared to the initial baseline prior to bleaching. Structures exposed to 22% carbamide peroxide showed the lowest degree of staining, retaining a lighter tone compared to the initial baseline. Structures treated with hydrogen peroxide exhibited a moderate degree of staining, with a slightly duller coloration compared to their initial and final color measurements.
  • Miniatura
    ÍtemAcceso abierto
    Dental sensitivity level after office dental cleaning in patients aged 18 to 50 in Lima, 2023
    (Universidad Privada Norbert Wiener, 2024-08-16) Flores Vásquez, Jael Stefanny; Huayllas Paredes, Betzabé
    Objective: To determine the level of dental sensitivity after in-office teeth whitening in patients aged 18 to 50 years in Lima, 2023. Material and methods: In this study, 40 patients of both sexes, aged between 18 and 50 years, who visited the dental office for in-office whitening treatment, will be selected. The upper arch will be treated with Whiteness HP Maxx, consisting of 35% hydrogen peroxide, and the lower arch will be treated with Power Bleaching Office 37%, consisting of 37% carbamide peroxide. The Visual Analog Scale will be used to measure dental sensitivity. Results: Dental sensitivity was observed after in-office whitening in patients aged 18 to 50 years in Lima using 35% hydrogen peroxide and 37% carbamide peroxide. A significant difference in dental sensitivity levels was found after in-office whitening, depending on the duration of exposure to the bleaching agent. Conclusion: Both 35% hydrogen peroxide and 37% carbamide peroxide caused dental sensitivity, mostly at a mild level. A significant difference in dental sensitivity was observed depending on exposure time and age group.