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The role of teeth as lifestyle indicators of the past and present, and as key elements of evolutionary and forensic studies is explored. The wisdom of entrenched information in the structure of enamel, dentine and the DNA of dental pulp cells is being extracted by new technologies.
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http://dx.doi.org/10.1038/sj.bdj.2017.987 | DOI Listing |
Iran Endod J
January 2025
Department of Endodontics, School of Dentistry, Oral and Dental Disease Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Permanent maxillary second molars' root canal treatment due to their root configurations complexity and high root canal systems variations, are one of the most problematic teeth. Accordingly, clinicians should consider unusual canal morphology to reduce the rate of missed canals. A thirty-year-old female was referred for root canal treatment of her maxillary right second molar tooth with obvious recurrent caries under restoration and necrotic pulp.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Prosthodontics, Faculty of Dentistry, University of the Western Cape, Cape Town, South Africa.
Objective: To explore the interventions for change in oral health behaviour that are effective in improving oral health behaviours in 8 to 18-year-old children during oral health promotion.
Methods: The Joanna Briggs Institute framework of evidence synthesis for conducting a scoping review was implemented for the methodology. Included studies related to the objective, measured clinical or non-clinical outcomes, were in English, 2011-2023, and were experimental, observational or reviews.
Sci Total Environ
December 2024
School of Marine Sciences, Zhuhai Key Laboratory of Marine Bioresources and Environment, Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, Pearl River Estuary Marine Ecosystem Research Station, Ministry of Education, Sun Yat-Sen University, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China. Electronic address:
Understanding early life history events within a population is imperative for developing effective conservation and management practices, particularly for vulnerable species in degraded environments with high environmental variability. Here, we first investigated the lifetime record of trace element (TE) accumulation in the teeth of Indo-Pacific humpback dolphins from the Pearl River Estuary, China, using in-situ laser ablation-inductively coupled plasma-mass spectrometry microanalysis, and further explored the suitability of teeth TEs as bioindicators of critical life stages. A total of 26 TEs were detected in the teeth of eight dolphins, with concentrations ranging from 0.
View Article and Find Full Text PDFBMC Oral Health
November 2024
Stomatological Hospital of Xiamen Medical College, Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen, China.
The root canal systems of maxillary first molar (MFM) and maxillary second molar (MSM) variations represent a clinical challenge for endodontists, especially the prevalence of fused C-shaped roots. Having a thorough knowledge of root canal configuration is an extremely important point for a successful root canal treatment to avoid missing extra canals. The aim of this article was to present 2 cases of maxillary molar with an unusual C-shaped configuration diagnosed during root canal retreatment/treatment and conduct a literature review of the MFM and MSM anatomy.
View Article and Find Full Text PDFFront Oral Health
October 2024
College of Medicine, University of Cincinnati, Cincinnati, OH, United States.
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