Results 11 to 20 of about 55,204 (195)
Primary teeth microhardness and lead (Pb) levels
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
The effects of smoothies on enamel erosion: an in situ study [PDF]
, 2012 Aims: To measure, in vitro, the pH and titratable acidity (TA) of various soft drinks and to assess the effect of smoothies on erosive tooth surface loss of enamel following a 21-day pH cycling protocol using an in situ model. Methods: The inherent pH of
Ali, Hanein
core +6 more sources
, 2023 Objective:The aim of this study was to compare the microhardness, degree of conversion, and water sorption/solubility of two- and three-year expired dental composites (Filtek Ultimate Universal) with the non-expired equivalent.Methods:The prepared ...
Tuğba KOŞAR +3 more
core +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
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
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 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
Thermocycling effect on microhardness of laboratory composite resins
Brazilian Journal of Oral Sciences, 2016 The aim of this study was to evaluate the thermocycling effect on microhardness of laboratory composite resins. 30 disks were fabricated, 5 mm of diameter and 2mm of width, using 3 laboratory resins: G1 (n=10) - RESILAB MASTER (Wilcos-Brasil), G2 (n=10) -
Sarina Maciel Braga Pereira +5 more
doaj +1 more source
Crystals, 2020 Dental ceramic restorations are widely used in restorative dentistry. However, these restorations can be affected once cemented in the oral cavity by several factors.
Roxana-Diana Vasiliu +4 more
doaj +1 more source
Journal of Materials Research and Technology, 2023 During the reactor operation, aluminum tank and the core components can experience radiation damage, resulting in limitation of its life span. Effects of radiation on the aluminum alloys are not yet fully understood, especially when material is obtained ...
Wysllan Jefferson Lima Garção +5 more
doaj +1 more source