Results 11 to 20 of about 45,804 (236)
Primary teeth microhardness and lead (Pb) levels [PDF]
Heliyon, 2019 Objectives: Lead (Pb) exposure is associated with dental caries. Whether Pb affects tooth microhardness, is unclear. Our objective was to assess whether Pb concentration is associated with microhardness.
Betsy Foxman +6 more
doaj +2 more sources
Microhardness of bulk-fill composite materials [PDF]
Acta Clinica Croatica, 2016 The aim of the study was to determine microhardness of high- and low-viscosity bulk-fill composite resins and compare it with conventional composite materials. Four materials of high-viscosity were tested, including three bulk-fills: QuiXfi l (QF), x-tra
Katarina Kelić +4 more
doaj +2 more sources
Effect of a Synthetized Herbal Remineralizing Paste on Enamel Microhardness [PDF]
Journal of Dental SchoolObjectives This study aimed to synthesize an herbal remineralizing paste containing the extracts of Miswak, licorice, aloe vera, propolis, and honey and compare its effect with 5% sodium fluoride (NaF) and 1.23% acidulated phosphate fluoride (APF) on ...
Mohadese Shokripour, Shiva Kavousinejad
doaj +3 more sources
Effect of mouthwashes on the microhardness of aesthetic composite restorative materials
Anales del Sistema Sanitario de Navarra, 2023 Background. Mouthwashes are increasingly being used worldwide. However, these preparations are known to have a negative impact on composite resin dental restorations.
Noura Alessa
doaj +1 more source
Advances in Materials Science and Engineering, 2018 In this paper, the stress distribution field in front of the crack tip was obtained by loading a modified WOL specimen using a bolt. Considering the relationship between microhardness and hydrogen content or internal stress in the metal, a model based on
Lei Gu +3 more
doaj +1 more source
Journal of Dentistry Indonesia, 2015 Thirty percent carbamide peroxide is widely used as in extra-coronal bleaching method. Its current effect on enamel (e.g. enamel microhardness) is still uncertain. In dentistry, fluoride is recommended to be applied in 60 seconds.
Inawati Muljadi +2 more
doaj +1 more source
BMC Oral Health, 2022 Background The aim of this study was to evaluate the protective effects of fluoride mouthwash on the surface micro-hardness of two types of CAD/CAM ceramics after exposure to acidic solutions.
Hamid Kermanshah +4 more
doaj +1 more source
Effect of Curing Time on Polymerization Rate of Bulk-Fill Composite Resins
Journal of Dental School, 2019 Objectives: The aim of this study was to compare polymerization depth of two bulk-fill and one conventional composite cured for different times. Methods: This in vitro experimental study was conducted on 54 composite samples (2×4×10mm) fabricated of ...
Zahra Jaberi Ansari +3 more
doaj +1 more source
Flexural Strength and Vickers Microhardness of Graphene-Doped SnO2 Thin-Film-Coated Polymethylmethacrylate after Thermocycling [PDF]
, 2023 Removable dental prostheses are commonly fabricated using polymethylmethacrylate, a material that does not have favorable mechanical properties and needs reinforcement with particles such as graphene.
Mumcu, Emre +13 more
core +1 more source
Effect of organic acids in dental biofilm on microhardness of a silorane-based composite
Restorative Dentistry & Endodontics, 2015 Objectives This study evaluated the effect of lactic acid and acetic acid on the microhardness of a silorane-based composite compared to two methacrylate-based composite resins. Materials and Methods Thirty disc-shaped specimens each were fabricated
Sedighe Sadat Hashemikamangar +4 more
doaj +1 more source