Results 31 to 40 of about 52,719 (329)

Combined Medial Unicompartmental Knee Arthroplasty and Revision Allograft Anterior Cruciate Ligament Reconstruction

open access: yesArthroscopy Techniques, EarlyView.
Abstract Combined medial unicompartmental knee arthroplasty and revision anterior cruciate ligament reconstruction with an Achilles tendon allograft offers a promising solution for young, active patients with isolated medial compartment osteoarthritis and a failed prior anterior cruciate ligament reconstruction.
Ryan J. Froom   +6 more
wiley   +1 more source

立磨减速机弧齿锥齿轮副动态疲劳性能研究

open access: yesJixie chuandong, 2014
The 3Dcontact finite element model of the input spiral bevel gear pair of vertical mill reducer is built,the flexible-body dynamics simulation analysis of bevel gear pair is carried out by using the LS-DYNA software,and the transient contact force is ...
张明
doaj  

Hybrid geared traction transmissions [PDF]

open access: yes, 1983
The basic configuration of geared traction drives, geometric and structural factors to be considered in their construction, and current work on hybrid helicopter transmissions rated at 500 and 3000 hp are ...
Nasvytis, A. L., White, G.
core   +1 more source

Laterally positioned flap with connective tissue graft to treat deep isolated gingival recessions in the mandibular anterior region: A retrospective case series with 10‐year follow‐up

open access: yesClinical Advances in Periodontics, EarlyView.
ABSTRACT Background To evaluate the efficacy and long‐term clinical outcomes of the one‐stage procedure for covering isolated deep gingival recessions (GRs) in the mandibular anterior region employing a laterally positioned flap (LPF) with a connective tissue graft (CTG), with a retrospective case series.
Lucrezia Parma‐Benfenati   +1 more
wiley   +1 more source

Study on the Meshing Characteristic of Quadruple-arc Spiral Bevel Gear

open access: yesJixie chuandong, 2017
The quadruple-arc spiral bevel gear is a new type of spiral bevel gear which is obtained by apply the quadruple-arc tooth on the bevel gear. The meshing points of quadruple-arc spiral bevel gear are increased compare with double-arc spiral bevel gear,and
Ren Zhongyi   +3 more
doaj  

Power control for hot gas engines [PDF]

open access: yes, 1980
A hot gas engine in which the expander piston of the engine is connected to an expander crankshaft. A displacer piston of the engine is connected to a separate displacer crankshaft which may or may not be coaxial with the expander crankshaft.
Macglashan, W. F.
core   +1 more source

Treatments of unesthetic amalgam tattoo: A literature review and a case report

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background An amalgam tattoo is an iatrogenic lesion that can lead to esthetic concerns. This paper presents a literature review aimed at exploring treatment options available to clinicians for addressing this unesthetic issue. Methods The initial search identified 209 potentially relevant publications.
Lucrezia Parma‐Benfenati   +3 more
wiley   +1 more source

Analysis of the Performance of Straight Bevel Gear and Zero Degree Spiral Bevel Gear for an Engine based on Dynamic Transmission Error

open access: yesJixie chuandong, 2017
For the practical engineering problems,the dynamic transmission error measurement of a two-stage cylindrical gear-bevel gear high-speed transmission system with a straight bevel gear pair and a zero degree spiral bevel gear pair is carried out based on ...
Liu Yang, Tang Jinyuan, Bai Fan
doaj  

Apparatus for forming drive belts [PDF]

open access: yes, 1974
An apparatus for manufacturing belts, such as seamless belts, is provided, the apparatus has relatively movable rollers that are mounted in an oven. A belt blank, for example, of a thin polyester film, is rotated on the rollers as heat is applied.
Topits, A., Jr.
core   +1 more source

Quantitative and Color‐Coded Assessment of Crown Preparation Using a 3D‐Printed Channel and Hole Guide: A Pilot Comparison With Conventional Guides

open access: yesJournal of Dental Education, EarlyView.
Abstract Purpose Crown preparation is a fundamental procedure in restorative dentistry. This study aimed to evaluate quantitative and color‐coded assessment of tooth reduction using various 3D‐printed tooth reduction guides in comparison to conventional guiding methods during crown preparation.
Yuwon Jeong   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy