Results 41 to 50 of about 1,721,695 (243)

Study on the Effect of Tooth Root Crack on Gear Body Stiffness and Coupling Stiffness between Adjacent Teeth

Jixie chuandong, 2022
Tooth root fatigue crack is one of the most common failure forms in the service process of gear transmission system， and it will threaten the safety of gear transmission systems or even the whole equipment.
Zaigang Chen, Yunsheng Zhi, Jieyu Ning
doaj  

Dynamic tooth loads and stressing for high contact ratio spur gears [PDF]

, 1983
An analysis and computer program were developed for calculating the dynamic gear tooth loading and root stressing for high contact ratio gearing (HCRG) as well as LCRG.
Cornell, R. W., Westervelt, W. W.
core   +1 more source

Film and digital periapical radiographs for the measurement of apical root shortening [PDF]

, 2012
Objectives: The aim of this study was to compare the accuracy and agreement of scanned film and digital periapical radiographs for the measurement of apical root shortening.
Bearn, David R., El-Angbawi, Ahmed M.F., McIntyre, Grant T., Thomson, Donald J.   +3 more
core   +1 more source

An evaluation of mesiodentes: A retrospective study with cone-beam computed tomography [PDF]

, 2018
Background: The mesiodens, located in the palatal midline between the two maxillary central incisors, is the most common type of supernumerary tooth. The aim of this study was to evaluate the distribution of mesiodentes according to shape, position, and ...
Akay, Gülsün, Güngör, Kahraman, Özdede, Meli̇h   +2 more
core   +2 more sources

Compliance and stress sensitivity of spur gear teeth [PDF]

, 1983
The magnitude and variation of tooth pair compliance with load position affects the dynamics and loading significantly, and the tooth root stressing per load varies significantly with load position.
Cornell, R. W.
core   +1 more source

Restorasi Fiber Reinforced Composite Pada Gigi Premolar Pertama Kanan Mandibula Pasca Perawatan Saluran Akar [PDF]

, 2013
Gigi yang telah dilakukan perawatan saluran akar membutuhkan restorasi yang tepat untuk mencegah terjadinya fraktur. Restorasi menggunakan fiber reinforced composite (FRC) memiliki resistensi yang tinggi terhadap fraktur dan estetiknya memuaskan. Laporan
Dhamayanti, I. (Intan), Nugraheni, T. (Tunjung)   +1 more
core   +4 more sources

Is Inflammation a Friend or Foe for Orthodontic Treatment?: Inflammation in Orthodontically Induced Inflammatory Root Resorption and Accelerating Tooth Movement

International Journal of Molecular Sciences, 2021
The aim of this paper is to provide a review on the role of inflammation in orthodontically induced inflammatory root resorption (OIIRR) and accelerating orthodontic tooth movement (AOTM) in orthodontic treatment.
M. Yamaguchi, Shinichi Fukasawa
semanticscholar   +1 more source

TOOTH ROOT BENDING STRESS CORRECTION ALGORITHM BASED ON VARIABLE PRESSURE ANGLE HOB (MT)

Jixie qiangdu, 2023
In order to solve the problem that the national standard cannot accurately calculate the bending stress of cylindrical helical gear with variable pressure Angle hob, a modified algorithm for calculating the bending stress of gear with variable pressure ...
XIAO Teng, HE ZeYin, RAN XiongTao
doaj  

Root Canal Treatment Of Tuarodontism-Affected Tooth After Tooth Autotransplantation

International Dental Journal
Introduction: Tooth autotransplantation offers an effective solution for addressing tooth defects by transplanting donor teeth into areas of tooth loss.
He Wang, Na Cao
doaj   +1 more source

Post-traumatic apexogenesis of immature non-vital permanent incisors [PDF]

, 2012
Injury to an immature permanent tooth may result in cessation of dentin deposition and root maturation leaving an open root apex and thin dentinal walls that are prone to fracture.
Ghafoor, Robia
core   +1 more source