Results 81 to 90 of about 1,418,338 (247)

Реплантация - за и против. Клинический случай реплантации корня, разрушенного и восстановленного культевой вкладкой, с целью сохранения мостовидной конструкции, включающей проблемный зуб, в области которого возник свищевой ход

Эндодонтия Today, 2020
This paper presents a complex clinical case of replantation of root, in order to preserve as orthopedic rehabilitation of bridge structures, including the problematic tooth, in which there was fistulous course.

doaj  

THE DETERMINNATION OF RESIDUAL STRESS OF GEAR TOOTH ROOT BASED ON X-RAY TECHNOLOGY

Jixie qiangdu, 2017
Transverse residual stress of tooth root has significant influence on bending fatigue strength of gears.But given the geometry of gears,using the method of exposing teeth root to complete determination of transverse residual stress at present,it not only
WANG Zhen, HU TianTong, FENG XianZhang, MENG XiangZhi   +3 more
doaj  

Orthodontic management of severe inversely impacted maxillary central incisors: a case series

Frontiers in Oral Health
BackgroundAbnormal positioning and dislocation of the central incisor can disturb tooth eruption. Generally, inversely impacted maxillary central incisors do not erupt naturally.
Yuriko Maruya, Ryoko Hino, Manami Tadano, Seira Hoshikawa, Shinji Otake, Yuta Chiba, Kan Saito   +6 more
doaj   +1 more source

Calculation of Tooth Root Bending Fatigue Life with Considering the Influence of Roughness Parameter R_a

Jixie chuandong, 2018
The stress concentration effect of surface topography plays an important role in the fatigue properties of gears. The quantitative analysis method of the effect of surface topography on gear fatigue performance is the basic work of an in-depth study of ...
He Di, Tang Jinyuan, Li Guowen, Zhou Wei
doaj  

基于应力释放提高齿轮弯曲强度方法的研究

Jixie chuandong, 2014
Stress concentration of the gear tooth root fillet is an important factor to affect the bending fatigue strength of the gear.In order to improve the bending fatigue strength,the stress relief hole in the tooth surface is established to make root stress ...
赵向飞, 雷前召
doaj  

The Force Requirements for Tooth Movement Part II: Uprighting and Root Torque [PDF]

, 1995
Brian W. Lee
openalex   +1 more source

The Role of Bone and Root Resorption on the Biomechanical Behavior of Mandibular Anterior Teeth Subjected to Orthodontic Forces: A Finite Element Approach

Biomedicines
Aims: This study was conducted to systematically evaluate the biomechanical impact of varying degrees of root and bone resorption resulting from periodontitis and orthodontic tooth movement (OTM) on the mandibular anterior teeth.
Jana Flatten, Thomasz Gedrange, Christoph Bourauel, Ludger Keilig, Anna Konermann   +4 more
doaj   +1 more source

Method of calculation and test of dynamic tooth root strain for high-contact-ratio spur gears

Jixie chuandong
ObjectiveAiming at the difference of load sharing and dynamic characteristics between high-contact-ratio spur gears and conventional spur gears, a method for calculating the dynamic tooth root strain was proposed considering the dynamic characteristics ...
YU Pengfei, ZHANG Xiangfeng, ZHOU Jianxing, WANG Haiwei, LIU Yi   +4 more
doaj  

An Evaluation Method of Dental Treatment Quality Combined with Deep Learning and Multi-index Decomposition

Applied Artificial Intelligence
Dentists judge that the quality of dental treatment for each patient is very time-consuming and inefficient, lacks quantitative evaluation criteria, and is easy to cause errors.
Gang Peng, Jie Liu, Feng Yan, Beicun Liu
doaj   +1 more source

Biomimetics Design of Tooth Root Zone at Cylindrical Gears Profile. [PDF]

Biomimetics (Basel), 2023
Atanasovska I, Momcilovic D, Lazovic T, Marinkovic A, Soldat N.   +4 more
europepmc   +1 more source