نتایج جستجو برای: dynamic condylar screw

تعداد نتایج: 423391  

Journal: :The Journal of bone and joint surgery. British volume 2005
J Pajarinen J Lindahl O Michelsson V Savolainen E Hirvensalo

We treated 108 patients with a pertrochanteric femoral fracture using either the dynamic hip screw or the proximal femoral nail in this prospective, randomised series. We compared walking ability before fracture, intra-operative variables and return to their residence. Patients treated with the proximal femoral nail (n = 42) had regained their pre-operative walking ability significantly (p = 0....

Journal: :Journal of orthopaedic trauma 2004
Mark B Sommers Christoph Roth H Hall Benjamin C C Kam Larry W Ehmke James C Krieg Steven M Madey Michael Bottlang

OBJECTIVES To establish a laboratory model of implant cutout, which can evaluate the effect of implant design on cutout resistance in a clinically realistic "worst case" scenario. SETTING Orthopaedic biomechanics laboratory. DESIGN Implant cutout was simulated in an unstable pertrochanteric fracture model, which accounted for dynamic loading, osteoporotic bone, and a defined implant offset....

2013
Eun-Sook Kim Soo-Yeon Shin

PURPOSE This study examined the effects of the abutment types and dynamic loading on the stability of implant prostheses with three types of implant abutments prepared using different fabrication methods by measuring removal torque both before and after dynamic loading. MATERIALS AND METHODS Three groups of abutments were produced using different types of fabrication methods; stock abutment, ...

Journal: :Journal of oral rehabilitation 2005
A J Caro M Peraire J Martinez-Gomis J M Anglada J Samsó

The purposes of this study were (i) to compare the reproducibility of lateral tooth contacts of casts mounted in a semi-adjustable articulator when condylar guidance was set by different methods and (ii) to assess the margin of error of the variations of condylar guidance without changing lateral tooth contacts, depending on the type of lateral guidance. In subjects with different types of late...

2016
Jiayu Li Shankali U Pradhan

Twin screw wet granulation (TSG) is gaining more attention and becoming an important process in the pharmaceutical industry. The process is widely implemented because of its flexibility, short residence time, and small equipment footprint. Past studies have shown that screw elements can have a significant impact on the performance of the TSG process. In addition, these studies identified that b...

2017
Monika Mahajan

Unilateral condylar hyperplasia is an uncommon condition with unknown etiology which causes overdevelopment of condyle leading to facial asymmetry, mandibular deviation, malocclusion, and articulation dysfunction. Two Indian families with unilateral condylar hyperplasia are presented where the similar abnormality was also detected in one of their parents. The condylar hyperplasia in these two f...

Journal: :Nihon Hotetsu Shika Gakkai zasshi 1988
A Mayanagi M Kuriyama S Hasegawa

The objective of this study is to explain mathematically the effect of curvature of horizontal balancing condylar path on that of tooth path. Conclusions from the calculation are; 1. Curvature of tooth path increases similar to that of horizontal balancing condylar path. 2. The relation of curvature between horizontal balancing condylar path and tooth path is hardly affected, even if the direct...

Journal: :The spine journal : official journal of the North American Spine Society 2011
Melvin D Helgeson Ronald A Lehman Rick C Sasso Anton E Dmitriev Andrew W Mack K Daniel Riew

BACKGROUND CONTEXT Occipital condyle screws appear to be a novel technique that demands biomechanical consideration. It has the potential to achieve fixation anterior to the axis of rotation while offering a point of fixation in line with the C1/C2 screws. PURPOSE To compare the segmental stability and range of motion (ROM) of standard occipitocervical (OC) screw/rod and plate constructs vers...

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