Results 81 to 90 of about 290,201 (362)

Bioimaging of sense organs and the central nervous system in extant fishes and reptiles in situ: A review

open access: yesThe Anatomical Record, EarlyView.
Bioimaging of the sense organs and brain of fishes and reptiles. Left panel: 3D reconstruction of the head and brain of the deep‐sea viperfish Chauliodus sloani following diceCT. Right panel: A 3D reconstruction of a 70‐day‐old embryo head of the bearded dragon Pogona vitticeps following diceCT, showing the position of the segmented brain within the ...
Shaun P. Collin   +9 more
wiley   +1 more source

Rotary Mtwo system versus manual K-file instruments: Efficacy in preparing primary and permanent molar root canals

open access: yesIndian Journal of Dental Research, 2011
Aim: To compare the cleaning ability and preparation time of rotary instruments (Mtwo) and conventional manual instruments (K-file) in preparing primary and permanent molar root canals.
Mohammad-Reza Azar, Maziar Mokhtare
doaj   +1 more source

Radiographic Study of Developmental Alteration in Tooth Number Among Children in IIUM Dental Clinic [PDF]

open access: yes, 2016
Background: The aim of this research was to determine the prevalence, distribution and association of developmental alteration in tooth number with gender, location, and presence of delayed eruption of tooth among children who attended to Student's ...
Ardini, Y. D. (Yunita)   +3 more
core   +3 more sources

Tooth eruption status and bite force determine dental microwear texture gradients in albino rats (Rattus norvegicus forma domestica)

open access: yesThe Anatomical Record, EarlyView.
Abstract Dental microwear texture analysis (DMTA) is widely applied for inferring diet in vertebrates. Besides diet and ingesta properties, factors like wear stage and bite force may affect microwear formation, potentially leading to tooth position‐specific microwear patterns.
Daniela E. Winkler   +2 more
wiley   +1 more source

The prevalence of enamel hypoplasia on permanent teeth among children aged 9-12 years based on the type and teeth affected

open access: yesPadjadjaran Journal of Dentistry, 2010
Introduction: Enamel hypoplasia is defect which is an abnormality on the enamel structure. The abnormality causes an aesthetic problems that affects the psycologic of a child, and also makes it easier to form a caries. The purpose of this research was to
Desy Permata Sari   +2 more
doaj   +1 more source

Multiple dens invaginatus, mulberry molar and conical teeth : case report and genetic considerations [PDF]

open access: yes, 2009
Dens in dente, also known as dens invaginatus and dilated compound odontoma, is a malformation that can occur on primary, permanent, or supernumerary teeth that is characterized by a deep invagination of the surface of a crown or root covered with ...
Naranjo Corona, Rosa I.   +3 more
core  

Influence of the amount of permanent-magnet material in fractional-slot permanent-magnet synchronous machines [PDF]

open access: yes, 2014
The efficiency of permanent-magnet (PM) synchronous machines with outer rotor and concentrated windings is investigated as a function of the mass of magnets used, keeping the power, volume, and mechanical air-gap thickness constant. In order to be useful
Sergeant, Peter, Van den Bossche, Alex
core   +2 more sources

Anatomical Abnormalities in Multiple Permanent Teeth

open access: yesJOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH, 2015
A 12-year-old female patient had reported to Department of Pedodontics and Preventive Dentistry of College of Dental Sciences and Research Centre, Ahmedabad, India with the Chief complain of forwardly placed upper front teeth. On general examination, shape of head was Dolicocephalic and facial form was Oval and Symmetrical [Table/Fig-1,​,2].2].
Karthik Venkataraghavan   +4 more
openaire   +3 more sources

Mandible composition and properties in two selected praying mantises (Insecta, Mantodea)

open access: yesThe Anatomical Record, EarlyView.
Abstract Insects process their food with their cuticle‐based mouthparts. These feeding structures reflect their diversity and can, in some cases, showcase adaptations in material composition, mechanical properties, and shape to suit their specific dietary preferences.
Malo Roze   +3 more
wiley   +1 more source

Double teeth in primary dentition: Report of two clinical cases [PDF]

open access: yes, 2008
Odontogenic anomalies can occur as a result of conjoining or twinning defects. These include fusion, gemination and concrescence. This article presents two case reports of double teeth.
Almeida, Janete Dias   +2 more
core  

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