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A comparative study of polydopamine vs. glass ionomer cement for adhesion mechanisms on enamel and dentin using SEM and shear bond strength evaluation.
Sci Rep
January 2025
Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, 600077, India.
Polydopamine (PD), inspired by the wet adhesion mechanism of mussel foot proteins, has emerged as a promising adhesive material with wide-ranging applications. This study aimed to compare the adhesive properties of PD and Glass Ionomer Cement (GIC) on enamel and dentin substrates, evaluating PD's potential as an alternative adhesive in dental practice. A total of 120 human premolars were prepared, with 80 teeth allocated for Scanning Electron Microscopy (SEM) analysis and 40 teeth reserved for shear bond strength testing.
View Article and Find Full Text PDFComparative Evaluation of Deciduous and Permanent Coronal Caries Using Polarizing Light Microscopy and Scanning Electron Microscopy.
ScientificWorldJournal
January 2025
Department of Prosthodontics, Indira Gandhi Institute of Dental Sciences, Nellikuzhi, Kothamangalam 686691, Kerala, India.
Dental caries causes mineral loss and organic damage to teeth. Understanding caries and dentin pulp reactions is crucial for effective caries management strategies. There is a lack of knowledge regarding the microscopic and ultramicroscopic changes that occur during caries destruction and reactive changes.
View Article and Find Full Text PDFAnalysis of heat induced changes in dental tissue for forensic application: A scanning electron microscope study.
Morphologie
January 2025
Department of Biostatistics, KS Hegde Medical Academy, Nitte (deemed to be university), Mangalore, Karnataka, India.
Introduction: In the forensic field, having accurate understanding of the macroscopic and microscopic alterations that occur in teeth when exposed to temperatures has remarkable significance. The preservation of delicate incinerated teeth is crucial in fire investigations that pertain to the temperature exposed, as well as the identification of victims. This preservation is necessary in order to conduct macroscopic and microscopic ultra-structural examinations, which provide valuable insights into the structural alterations that dental tissues undergo when exposed to low to high temperatures.
View Article and Find Full Text PDFInfiltration of salivary proteins into dentin during erosive processes.
J Dent
January 2025
Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, University Hospital, Saarland University, Building 73, 66421 Homburg Saar, Germany.
Objective: Ultrastructural analyses showed that during erosion under oral cavity conditions, dentin is infiltrated by a substrate morphologically similar to salivary proteins. This in-situ study aimed to investigate the presence of salivary proteins in demineralized dentin.
Methods: Bovine dentin specimens were attached to individual maxillary splints (n = 1 per subject and condition) and worn intraorally by four subjects for 1 min.
Ultrastructural evaluation of adverse effects on dentine formation from systemic fluoride application in an experimental mouse model.
Int Endod J
January 2025
Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, Florida, USA.
Article Synopsis
- This study investigates the effects of excessive fluoride on the microstructure of dentine in mice, as previous research has mostly focused on its impact on enamel.* -
- Male C57BL6/J mice were divided into four groups, receiving different fluoride concentrations in their drinking water for six weeks, after which various analyses were conducted to evaluate enamel and dentine properties.* -
- Results indicated that high fluoride exposure (50-125 ppm) led to enamel hypoplasia, reduced dentine mineral density, and changes in the structure of the dentine-pulp complex, demonstrating significant negative effects of excessive fluoride consumption.*
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