Results 11 to 20 of about 361,282 (269)

Morphological description of deepwater skate Bathyraja trachura from the North-West Pacific

open access: yesИзвестия ТИНРО, 2021
Morphological description is given for deepwater skates Bathyraja trachura caught in the North-West Pacific in 1980–1989, both juveniles and adults. Counts for vertebras, pectoral fin, teeth rows, and intestinal valves are presented.
V. N. Dolganov
doaj   +1 more source

Late Viséan pelagic chondrichthyans from northern Europe [PDF]

open access: yesActa Palaeontologica Polonica, 2015
The relatively rich assemblages of shark teeth from pelagic limestone (Mississippian, late Viséan, late Asbian–middle Brigantian) of three northern European regions: the Rhenish Mountains (Westenfeld Quarry, Germany), the Holy Cross Mountains (Todowa ...
Michał Ginter   +3 more
doaj   +1 more source

Giant Cell Fibroma in a Two-Year-Old Child

open access: yesCase Reports in Dentistry, 2016
The giant cell fibroma is a benign nonneoplastic fibrous tumor of the oral mucosa. It occurs in the first three decades of life in the mandibular gingiva, predominantly, showing predilection for females.
Anna Carolina Volpi Mello-Moura   +5 more
doaj   +1 more source

Who made the Early Aurignacian? A Reconsideration of the Brassempouy Dental Remains

open access: yesBulletins et Mémoires de la Société d’Anthropologie de Paris, 2005
The dental human remains from the early Aurignacian layers of Brassempouy (Landes) have been recently described by Henry-Gambier et al. (2004). We provide a critical re-assessment of the features that have led these authors to conclude that the taxonomic
Shara E. Bailey, Jean-Jacques Hublin
doaj   +1 more source

The migration of some biometal ions in the system mineral tissue of teeth-soil and teeth-water mediums [PDF]

open access: yesJournal of the Serbian Chemical Society, 2014
The paper outlines the changes in the mineral tissue of teeth which was exposed to the influence of natural mediums agents. Also, mineral tissue can be used as potentially important forensic material which is gradually altered under the ...
Nikolić Ružica S.   +4 more
doaj   +1 more source

Effects of Polychlorinated Dibenzo-p-dioxins, Polychlorinated Dibenzofurans, and Dioxin-like PCBs on Teeth and Bones in Animals and Humans

open access: yesToxics, 2022
Bone metabolism is regulated by endocrine systems, so people exposed to polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) may suffer adverse effects on bones and teeth.
Tomoya Takiguchi   +2 more
doaj   +1 more source

Effect of Different Surface Treatment Methods on Bond Strength of Dental Ceramics to Dental Hard Tissues: A Systematic Review

open access: yesMolecules, 2021
For long-term successful use of ceramic materials in dental procedures, it is necessary to ensure reliable bonding of restorations to dental substrates.
Andrzej Malysa   +5 more
doaj   +1 more source

Assessment of occlusal ridges in premolar teeth before and after dental treatment in equines [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2022
Occlusal ridges of equines appeared in the evolutionary process of the species to increase its capacity of grazing and trituration. The difference in hardness of dental tissues (cementum, dentin, and enamel) and masticatory pressure on the occlusal ...
L.O. Dietrich   +3 more
doaj   +1 more source

Attempting near-infrared transillumination imaging with simple instrumentation for studying dental lesions

open access: yesVietnam Journal of Science, Technology and Engineering, 2022
During the past decades, near-infrared (NIR) methods have been applied to many aspects of life, particularly in dentistry. X-ray methods involve reliable techniques that dentists use to evaluate tooth structure lesions. However, X-ray methods still have
Thi Hai Mien Pham   +2 more
doaj   +1 more source

Tusk anomalies in narwhals (Monodon monoceros) from Greenland

open access: yesPolar Research, 2022
The elongated, spiraled tusk of male narwhals (Monodon monoceros) grows continuously throughout the life of the whale and is most likely a secondary sexual trait used in male–male hierarchical competition and possibly in female mate choice.
Eva Garde, Mads Peter Heide-Jørgensen
doaj   +1 more source

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