Results 91 to 100 of about 133,852 (304)
The Anatomical Record, EarlyView.Abstract The Aliança Formation (Jatobá Basin) represents lacustrine deposits formed in oxygenated waters that hosted a diverse fauna, including Hybodontiform sharks. Within this group, the Family Lonchidiidae comprises 11 valid genera, with Parvodus previously reported in Brazilian deposits from the Brejo Santo Formation (Araripe Basin, Late Jurassic ...
Larissa de Souza Ribeiro +1 more
wiley +1 more source
Severe tooth wear in Prader-Willi syndrome. A case–control study
BMC Oral Health, 2012 Background Prader-Willi syndrome (PWS) is a rare complex multsystemic genetic disorder characterized by severe neonatal hypotonia, endocrine disturbances, hyperphagia and obesity, mild mental retardation, learning disabilities, facial dysmorphology and ...
Saeves Ronnaug +4 more
doaj +1 more source
Erosive tooth wear in children and adolescents [PDF]
, 2017 To determine the local prevalence of erosive tooth wear in the child population and to identify the degree to which local demographic and socioeconomic factors influence prevalence, a multi-stage cluster sample of three, five, eight, twelve and ...
Attard, Nikolai J. +5 more
core +1 more source
Rethinking brachycephaly: Anatomical implications and health considerations in lagomorphs
The Anatomical Record, EarlyView.Abstract Brachycephaly in domestic rabbits is increasingly perceived by welfare organizations as associated with significant health complications, particularly oral pathologies. Despite this perception, comparative anatomical research into rabbit brachycephaly is limited compared to that of dogs and cats, compelling an in‐depth examination of its ...
Helaina Cressy +3 more
wiley +1 more source
Study on Tooth Wear of Spur Gears Under the Mixed Elastohydrodynamic Lubrication
Jixie chuandong, 2022 To study the wear evolution process and wear law of involute spur gears under the mixed elastohydrodynamic lubrication (EHL) and consider the lubrication conditions, thermal effects and load changes in the wear process of gear pairs, a wear model of gear
Wang Han +3 more
doaj
Tooth wear among five-year-old children in Jakarta, Indonesia
BMC Oral Health, 2019 Background This study aimed to evaluate the prevalence of tooth wear among preschool children in Jakarta, Indonesia, and examine the risk factors associated with its occurrence. Methods An epidemiological survey was conducted with a cross-sectional study
Diah Ayu Maharani +6 more
doaj +1 more source
The design and development of a spacecraft appendage tie down mechanism [PDF]
, 1985 The design and evolution is described of a spacecraft Appendage Tie Down Mechanism (ATDM). Particular emphasis is paid to the mechanical aspects of using dry lubricants to increase the efficiency of acme threads and worm gearing.
Head, R., Nygren, W. D.
core +1 more source
Environmental enrichment for Killer whales Orcinus orca at zoological institutions: untried and untested [PDF]
, 2017 Despite a history in zoological institutions stretching back more than 50 years, with associated improvements in husbandry and breeding, the keeping of Killer whales Orcinus orca in zoos and aquariums has become highly controversial.
Kitchener, A.C., Law, G.
core +1 more source
The Anatomical Record, EarlyView.Abstract Tyrannosaurus is viewed as a model organism in vertebrate paleontology, with numerous studies analyzing its feeding biomechanics. Nonetheless, the evolution of this feeding performance has been under‐addressed in Tyrannosauroidea, especially in basal tyrannosauroids. Here we used muscle‐force reconstruction and finite element analysis (FEA) to
Evan Johnson‐Ransom +4 more
wiley +1 more source
The Prevalence and Severity of Tooth Wear in Type 2 Diabetic Patients
International Journal of Dentistry, 2018 Objective. To assess the prevalence and severity of tooth wear in type 2 diabetic patients. Methods. Attendees at a diabetic clinic at Wiang Pa Pao Hospital in Chiang Rai province, Thailand, were invited to take part in this cross-sectional study.
Patcharawan Srisilapanan +2 more
doaj +1 more source