Results 1 to 10 of about 1,363,958 (406)

Tooth fracture frequency in gray wolves reflects prey availability [PDF]

open access: yeseLife, 2019
Exceptionally high rates of tooth fracture in large Pleistocene carnivorans imply intensified interspecific competition, given that tooth fracture rises with increased bone consumption, a behavior that likely occurs when prey are difficult to acquire. To
Blaire Van Valkenburgh   +4 more
doaj   +7 more sources

Incomplete tooth fracture – proposal for a new definition [PDF]

open access: bronzeBritish Dental Journal, 2001
Many terms have been used to describe incomplete tooth fractures. This paper reviews them, discusses the clinical features of incomplete tooth fractures and proposes a clinically representative definition.
S G S Ellis
semanticscholar   +4 more sources

Fundamental mechanics of tooth fracture and wear: implications for humans and other primates. [PDF]

open access: yesInterface Focus, 2021
Until recently, there had been little attempt in the literature to identify and quantify the underlying mechanics of tooth durability in terms of materials engineering concepts.
Borrero-Lopez O   +3 more
europepmc   +2 more sources

Naturally-occurring tooth wear, tooth fracture, and cranial injuries in large carnivores from Zambia. [PDF]

open access: yesPeerJ, 2021
Determining the incidence and causes of craniodental damage in wild carnivores is often constrained by limited access to specimens with associated ecological data, such as prey type and abundance. We assessed dental condition and cranial injuries in lion,
Van Valkenburgh B, White PA.
europepmc   +2 more sources

Vibration characteristic analysis of spur gear systems under tooth crack or fracture

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2021
Tooth fractures and cracks are common defects in gear transmission systems. Crack propagation paths of the spur gears are acquired using the fracture mechanics theory.
Xu Li   +5 more
doaj   +2 more sources

Parameter study on the calculated risk of tooth flank fracture of case hardened gears

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2017
Due to better material qualities, new surface finishing methods and better heat-treatment process reliability, flank surface damages, such as pitting or micropitting, can be prevented in a reliable manner.
Michael HEIN   +2 more
doaj   +2 more sources

Tooth Fracture Evaluation and Endodontic Treatment in Dogs [PDF]

open access: hybrid, 2000
Capik I., V. Ledeck˘, A. ·evaik:Tooth Fracture Evaluation and Endodontic Treatment in Dogs. Acta Vet. Brno 2000, 69: 115–122. Tooth fractures constitute a considerable fraction of all tooth diseaes.
I. Capík, V. Ledecký, A. Ševčík
semanticscholar   +2 more sources

Incomplete tooth fracture following root-canal treatment: a case report. [PDF]

open access: bronzeInternational Endodontic Journal, 2002
AIM To demonstrate the need for proper restoration of root-filled teeth. SUMMARY Tooth fracture can be a sequel to root-canal treatment. It is associated with the removal of excessive amounts of the tooth substance during the instrumentation phase, the
C. Lynch, F. Burke
semanticscholar   +2 more sources

Stress Distribution, Tooth Remaining Strain, and Fracture Resistance of Endodontically Treated Molars Restored Without or With One or Two Fiberglass Posts And Direct Composite Resin. [PDF]

open access: bronzeOperative dentistry, 2017
OBJECTIVES To evaluate the effects of direct composite resin without a post or with one or two fiberglass posts on the restoration of severely compromised endodontically treated molars.
L. M. Barcelos   +4 more
semanticscholar   +2 more sources

Prevalence of permanent anterior tooth fracture due to trauma in South Indian population

open access: hybrid, 2015
Aim: The aim of the study is to determine the prevalence of permanent anterior teeth fracture due to trauma in South Indian population. Materials and Methods: After formal consent, study was conducted on 2000 patients reporting for treatment in A B ...
M. Hegde, A. R. Sajnani
semanticscholar   +2 more sources

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