The aim of this research was to determine the choices made by clinicians with respect to archwires and arch form during the initial and latter stages of orthodontic treatment with fixed appliances. A questionnaire-based study was carried out at Bristol Dental Hospital between November 2005 and March 2006. Questionnaires were distributed within the dental hospital and at local meetings in order ...

Purpose: Eversion carotid endarterectomy (CEA) is an effective form of management for atherosclerotic carotid bifurcation disease. Despite the early origins of this technique, it is still used infrequently as an alternative to the standard longitudinal patch closure. In this study we outline our results with the use of eversion endarterectomy for carotid disease over the past 14 years in over 7...

Studying the movement law and failure mechanism of overburden is important to underground safety production, aquifer protection, surface subsidence ecological protection. A commonly used model, arch structure for studying systematically reviewed in this paper. First, mining field divided into an unconsolidated layer arch, beam (hinged arch), according arching medium. On basis, research progress...

PURPOSE The aim of this study is to evaluate the appropriate impression technique by analyzing the superimposition of 3D digital model for evaluating accuracy of conventional impression technique and digital impression. MATERIALS AND METHODS Twenty-four patients who had no periodontitis or temporomandibular joint disease were selected for analysis. As a reference model, digital impressions wi...

BACKGROUND The purpose of this study is to evaluate the relationship between dental arch form and the vertical facial pattern determined by the angle between the mandibular plane and the anterior cranial base (Sella-nasion/mandibular plane angle (SN-MP)) in skeletal class II untreated patients. METHODS A sample of 73 Caucasians patients with untreated skeletal class II in permanent dentition ...