INTRODUCTION The purpose of this study was to develop a methodology to measure the mesiodistal angulation and the faciolingual inclination of each whole tooth (including the root) by using 3-dimensional volumetric images generated from cone-beam computed tomography scans. METHODS A plastic typodont with 28 teeth in ideal occlusion was fixed in position in a dry human skull. Stainless steel ba...

OBJECTIVE To evaluate stainless steel archwire static friction in active and passive self-ligating lingual and conventional brackets with second-order angulations. METHODS Two conventional lingual brackets for canines (STb light/Ormco; PSWb/Tecnident), and two self-ligating brackets, one active (In-Ovation L/GAC) and the other passive (3D/ Forestadent), were evaluated. A stainless steel archw...

The University of Michigan Embryological Collection has recently acquired several specimens exhibiting stages in the genesis of a variety of malformations of the nervous system. The study of these abnormalities has stimulated a restudy of certain aspects of normal development. One phase in particular in which the need for more accurate data has been repeatedly encountered is the angulation of t...

Sarmiento introduced the functional fracture brace for the management of tibial shaft fracture in 1963. However, tibial angulation with varus deformity cannot be prevented or corrected by such a device. In this paper, a case of tibial shaft fracture with varus angulation treated with a modified below-knee fracture brace was reported.

We hypothesized that less malalignment and complications occur with intramedullary nailing of distal third tibia fractures (42A, B, C) after the implementation of orthopedic trauma surgeons to this level II community hospital. We also hypothesized that patients with < or =5 degrees of malalignment have poorer function as measured by the MODEMS functional outcome scale. Two cohorts of distal thi...

BACKGROUND Repetitive navigated transcranial magnetic stimulation (rTMS) in combination with object naming is able to elicit naming errors by stimulating language-related brain regions. However, stimulation results mainly depend on coil positioning and stimulation parameters, which have not been investigated since the implementation of neuronavigation to transcranial magnetic stimulation. There...

BACKGROUND Eagle's syndrome (Elongated styloid process) is often misdiagnosed due to its vague symptomatology. The diagnosis relies on detail history taking, palpation of styloid process in tonsillar fossa and imaging modalities. OBJECTIVE To assess the length and medial angulation of elongated styloid process with the help of three dimensional computed tomography (3D CT) scan and to describe...

BACKGROUND The aim of this study was to determine the effect of the maxillary posterior dentoalveolar discrepancy (MPDD) on the angulation of maxillary molars in open bite subjects. METHODS Pre-treatment lateral cephalograms of 90 young adults with skeletal open bite were examined. The sample initially included six groups categorized according to MPDD condition (present or absent) and sagitta...

BACKGROUND Anatomically preshaped plates are increasingly used for stabilization of comminuted olecranon and Monteggia fractures. The purposes of this study were to investigate the morphology of the proximal ulna and to compare morphologic findings with geometry of 4 preshaped ulna plates. MATERIALS AND METHODS Forty human elbows (mean age, 68 years; range, 21-98 years) were measured by 2 ind...

background: numerical study of angulation effects of renal arteries on blood flow has been of great interest for many researchers. objective: this paper aims at numerically determining the angulation effects of stenosed renal arteries on blood flow velocity and renal mass flow. method: an anatomically realistic model of abdominal aorta and renal arteries is reconstructed from ct-scan images and...