نتایج جستجو برای: dental plaster

تعداد نتایج: 163884  

Journal: :European journal of orthodontics 2006
Ulrike Schütz-Fransson Krister Bjerklin Rune Lindsten

The aim of this study was to evaluate the long-term stability of corrected deep bite and mandibular anterior crowding in a sample of 62 subjects (30 patients and 32 controls). The patients began treatment at a mean age of 12.2 years (SD 1.56). The treatment consisted of non-extraction and fixed appliances in 23 subjects and functional appliances in seven. The treatment group was compared with t...

Journal: :International Journal of Health Sciences (IJHS) 2023

Background: The skeletal correlations in a sagittal plane do not correlate to the dental relationship each time. For orthodontic treatment planning, differential identification In past, terms overjet and overbite were used examine jaw connections. goal of study was see how closely characteristic (overjet) correlated with angles (ANB, WITTS). Objectives: This research aims if occlusal characteri...

Journal: :Open Journal of Orthopedics 2021

Objective: The purpose of this pilot study is to compare the transverse palatal widths in untreated adult cleft palate patients with normal patients. Methods and Materials: was conducted Bangladesh recruiting 10 sized 15 palates. control group comprised 7 males 8 females a mean age 30.5 ± 4.4 years. affected 3 17 3.3 Alginate impressions maxillary arch were taken poured into plaster dental cast...

Journal: :Journal of rehabilitation research and development 2006
Arjan W P Buis Barrie Condon Dave Brennan Brendan McHugh Donald Hadley

Investigations into the shape and volume of transtibial prosthetic sockets are complicated because of the difficulty in establishing an accurate reference grid. Magnetic resonance imaging (MRI) presents a possible solution to this problem. However, the reliability of MRI in defining the residual-limb/cast interface depends on the scanned image not being distorted by the materials present. We in...

2016
Francisco Vale Jessica Scherzberg João Cavaleiro David Sanz Francisco Caramelo Luísa Maló João Pedro Marcelino

OBJECTIVE In this case report, the feasibility and precision of tridimensional (3D) virtual planning in one patient with craniofacial microsomia is tested using Nemoceph 3D-OS software (Software Nemotec SL, Madrid, Spain) to predict postoperative outcomes on hard tissue and produce CAD/CAM (Computer Aided Design/Computer Aided Manufacturing) surgical splints. METHODS The clinical protocol con...

Journal: :The Lancet 1872

Journal: :Journal of the Royal Army Medical Corps 1945
R MARNHAM

1941
F. V. Stonham

Paris (CaS04)2H20. Excessive heat convey it into anhydrous calcium sulphate CaB^< which takes up water very slowly and does D?. harden and set. 2CaS04.2H20 = (CaSW 2H20+3H20. (CaS04)2H20 = 2CaS 04H2U, Commercial plaster of Paris is manufacture from impure gypsum and therefore contains tn impurities present in the gypsum such as alum10^ iron, silicates, carbonates, lime, etc., which be recognize...

Journal: :American journal of physical anthropology 2007
P Thomas Schoenemann James Gee Brian Avants Ralph L Holloway Janet Monge Jason Lewis

A crucial component of research on brain evolution has been the comparison of fossil endocranial surfaces with modern human and primate endocrania. The latter have generally been obtained by creating endocasts out of rubber latex shells filled with plaster. The extent to which the method of production introduces errors in endocast replicas is unknown. We demonstrate a powerful method of compari...

Journal: :European journal of orthodontics 2009
A C Veenema C Katsaros S C Boxum E M Bronkhorst A M Kuijpers-Jagtman

The aim of this study was to compare standard plaster models with their digital counterparts for the applicability of the Index of Complexity, Outcome, and Need (ICON). Generated study models of 30 randomly selected patients: 30 pre- (T(0)) and 30 post- (T(1)) treatment. Two examiners, calibrated in the ICON, scored the digital and plaster models. The overall ICON scores were evaluated for reli...

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