Results 81 to 90 of about 133,852 (304)
Nigerian Dental JournalObjective To determine the prevalence of tooth wear lesions and assess associated risk factors among patients attending the dental clinic of a state tertiary teaching hospital in Nigeria.
Augustine Ikponmwosa Edomwonyi +5 more
doaj +1 more source
Three-dimensional anatomy of equine incisors : tooth length, enamel cover and age related changes [PDF]
, 1944 BACKGROUND:Equine incisors are subjected to continuous occlusal wear causing multiple, age related changes of the extragingival crown. It is assumed that the occlusal wear is compensated by continued tooth elongation at the apical ends of the teeth.
Schrock, Patricia +3 more
core +2 more sources
Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)
The Anatomical Record, EarlyView.Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto +3 more
wiley +1 more source
Trophic evolution in ornithopod dinosaurs revealed by dental wear
Nature CommunicationsOrnithopod dinosaurs evolved numerous craniodental innovations related to herbivory. Nonetheless, the relationship between occlusion, tooth wear rate, and tooth replacement rate has been neglected. Here, we reconstruct tooth wear rates by measuring tooth
Attila Ősi +9 more
doaj +1 more source
On Hirth Ring Couplings: Design Principles Including the Effect of Friction [PDF]
, 2018 Rings with Hirth couplings are primarily used for the accurate positioning of axial-symmetric components in the machine tool industry and, generally, in mechanical components. It is also possible to use Hirth rings as connection tools.
Croccolo, Dario +5 more
core +2 more sources
The Anatomical Record, EarlyView.Abstract Pterosaur dental biology remains poorly understood despite its importance for comprehending feeding strategies and flight adaptations. Here, we present the first comprehensive histological analysis of an ornithocheiriform pterosaur tooth from the Lower Cretaceous Crato Formation (Santana Group, Northeast Brazil).
Tito Aureliano +3 more
wiley +1 more source
Kualiti dan keberkesanan bimbingan manasik bagi jemaah haji Daerah Bintan Kepulauan Riau Indonesia [PDF]
, 2018 Ibadah haji merupakan rukun kelima dalam rukun Islam yang menjadi kewajiban keatas umat Islam yang mampu mengerjakannya. Namun, didapati sebahagian dari bakal jemaah tidak dapat memahami modul bimbingan akibat dari pada tenaga pengajar yang kurang ...
H. Abdullah, Erizal
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The influence of surface treatment of PVD coating on its quality and wear resistant [PDF]
, 2019 The article deals with a determination of the influence of a cutting edge preparation on the quality and wear resistance of coated cutting tools. Cutting inserts made from a sintered carbide with a deposited layer of PVD coating were selected for ...
Malotová, Šárka +3 more
core +1 more source
The Anatomical Record, EarlyView.Abstract The green iguana (Iguana iguana) is an iguanine lizard with herbivorous and arboreal habits, whose distribution spans through South America, Central America to the south of North America. Although the genus Iguana is well‐known, the species still lacks a comprehensive and up‐to‐date anatomical study, particularly addressing the axial skeleton,
Vieno Rosa +2 more
wiley +1 more source
Investigations on the Material Efficacy of Failed Helical Gears in a Gear Train [PDF]
, 2013 An investigation on the material efficacy of failed helical gears in the gearbox of an automobile has been carried out. Two helical gear samples taken as representatives of the whole of six in the gearbox were denoted as samples A and B.
Abidakun, O.A. +2 more
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