Results: 150

Impacto dos selantes de superfície na preservação das propriedades mecânicas de polímeros de PMMA para CAD/CAM, submetidos a desafio erosivo e termociclagem

A aplicação de selantes de superfície poderá ajudar na diminuição da degradação superficial dos blocos de PMMA para CAD/CAM frente aos desafios de absorção de água, variação de temperatura e desafio erosivo causada pelo suco gástrico (frequente em pacientes com refluxo gastroesofágico (DRG...

Comparison of Bracket Position Accuracy with Different CAD/CAM Indirect Bonding Systems

ABSTRACT Objective To evaluate the accuracy of three different digital bracket positioning systems, comparing vertical, mesiodistal and buccolingual accuracy. Material and Methods The same case was sent to Orapix, Insignia, and Orthocad systems and the brackets were bonded to the malocclusion models.Da...

Full digital workflow in fixed adhesive dental prosthesis: Description of a clinical technique

Braz. dent. sci; 24 (4), 2021
Digital dentistry has gained space in several dental specialties. It is possible to achieve excellent results with the digital workflow, which combines the efficiency of the restorative material with a greater marginal adaptation. This study aimed to report a clinical case...

Retreatment of 6 ceramic restorations in a single session - the application of Er:YAG laser and CAD/CAM technology: an 1 year follow up clinical evaluation

Braz. dent. sci; 24 (2), 2021
Background: To present the benefits of high power lasers (Er: YAG and Nd: YAG) over the use of the high speed turbine for the extraction of ceramics restorations, without damaging the surfaces of the teeth; being a relatively easier and faster procedure wit...

Técnica CAD/CAM comparado con técnica convencional en pacientes con indicación de restauración indirecta unitaria posterior

RESUMEN: Introducción: La confección de restauraciones indirectas ha sido tradicionalmente realizada mediante técnicas convencionales de laboratorio, la cual involucra la realización de una serie de pasos y la necesidad de que el paciente asista a varias sesiones clínicas. En las últimas décadas h...

Development of personalized molds for neovagina creation by 3D printer

SUMMARY Additive Manufacturing (AM), also known as Rapid Prototyping, is a set of production technologies used in the synthesis of a particular physical object by adding layers to form a part based on data generated by Computer-Aided Design (CAD) systems. These technologies are widely used to quickly cre...

Evaluating the effect of different combination of impression and pouring materials on marginal and internal adaptation of zirconia crowns

J. oral res. (Impresa); 9 (5), 2020
Purpose: Two important factors in dental prosthesis are making an accurate impression and producing a suitable cast which represents the exact relationship between prepared tooth and oral structures. This study, aimed to investigate the effects of different combinations of impression and pouring material...

Ángulos de convergencia en preparaciones dentarias realizadas en tipodontos por estudiantes de Odontología, Unach
Convergence angles in dental preparations performed on typodont by students of dentistry, UNACH

Rev. Eugenio Espejo; 14 (1), 2020
El objetivo de esta investigación fue analizar los ángulos de convergencia en preparaciones dentarias para coronas realizadas en tipodontos, por estudiantes de décimo semestre de Odontología Unach. Las preparaciones dentales para coronas poseen características de retención y resistencia, principios...

Planificación en ortodoncia a partir del incisivo superior: una propuesta de VTO
Planning in orthodontics from the upper incisor: a VTO proposal

Ortodoncia; 84 (167), 2020
Para adecuarnos a los objetivos estéticos de la ortodoncia actual, y con el fin de lograr una planificación más eficiente, hemos propuesto una modificación al objetivo visual de tratamiento (VTO) tradicional de Ricketts. En este método, sugerimos comenzar la planificación ortodóncica evaluando la ...

Characteristics of Mandibular Movement and Mastication in Older Adults with Removable Dental Prostheses: Three-Dimensional Analysis

ABSTRACT: Aging is a dynamic process that includes various alterations in the oral cavity, with tooth loss being the most frequent. Rehabilitative treatment may include removable or fixed prostheses and implants. The aim of this study was to describe the geometric (trajectory, ranges, areas) and kinemati...