Listando por materia "Ortodoncia"
Mostrando ítems 1-20 de 24
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Aparatología autoligable Cambios en el plano transversal y sagital. Estudio de fricción en diferentes combinaciones de arcos, brackets y medios
(Fecha de defensa: 2017-06-09)Tesis doctoral sobre la efectividad de la aparatología fija autoligable comparada con la aparatología fija convencional. En la parte del estudio clínico, se comparan los efectos producidos por la ... -
Bacteriostatic poly rthylene glycol plasma coatings for orthodontic titanium mini-implants
(Materials, 2022)Titanium mini-implants are used as anchorage for orthodontic tooth movements. However, these implants present problems due to the infection of surrounding tissues. The aim of this work was to obtain a ... -
Comparison of changes in the dental transverse and sagittal planes between patients treated with self-ligating and with conventional brackets
(Dental Press Journal of Orthodontics, 2020)Introduction: Several advantages have been established regarding the efficiency of self-ligating brackets (SL). In spite of some controversy surrounding this question in the literature, clinical results ... -
Comparison of the superelasticity of different nickel–titanium orthodontic archwires and the loss of their properties by heat treatment
(Biomaterials Synthesis and Characterization, 2016)The aim of this work is to describe and compare mechanical properties of eight widely used nickel–titanium orthodontic wires under uniform testing conditions and to determine the influence of the heat ... -
Consideraciones en el tratamiento ortodóntico en dientes endodonciados: toma de decisiones y evolución
(Universitat Internacional de Catalunya, 2020-05-08)Durante el tratamiento de ortodoncia se producen una serie de movimientos que pueden resultar en distintos grados de afectación pulpar y reabsorción radicular. El manejo clínico se basa en la interrelación ... -
Do titanium mini-implants have the same quality of finishing and degree of contamination before and after different manipulations? An in vitro study
(Metals, 2021)Evaluate the quality of finishing and degree of contamination before and after handling and surface treatment of titanium (Ti) orthodontic mini-implants (OMIs). A scanning electron microscope (SEM) study ... -
Effect of temperature on the orthodontic clinical applications of NiTi closed-coil springs
(Medicina Oral, Patologia Oral y Cirugia Bucal, 2013-07-01)NiTi spring coils were used to obtain large deformation under a constant force. The device consists on a NiTi coil spring, superelastic at body temperature, in order to have a stress plateau during the ... -
Eficacia Análgesica del Láser de Baja Potencia en Ortodoncia
(Fecha de defensa: 2014-09-01)Es va realitzar estudi clínic . L' objectiu de l'estudi va ser avaluar la sensació dolorosa que apareix en els pacients d'ortodòncia en col • locar elàstics de separació entre molars i premolars i ... -
Enamel evaluation after debonding of fixed retention and polishing treatment with three different methods
(Materials, 2023)Lack of standardization of the retention phase has led to many studies of stability of movements and characteristic of retainers, disregarding the enamel repercussions of fixed retention on this phase. ... -
Enamel evaluation after debonding of fixed retention and polishing treatment with three different methods
(Materials, 2023)Lack of standardization of the retention phase has led to many studies of stability of movements and characteristic of retainers, disregarding the enamel repercussions of fixed retention on this phase. ... -
Estudio In-vitro de los parámetros que disminuyen la pérdida del esmalte en los tratamientos de ortodoncia fija
(Fecha de defensa: 2017-06-12)Resum: La presente tesis es un análisis que consta de 3 estudios: El primero analiza la eficacia de una guía de montaje estandarizada y reproducible para las muestras introducidas en la Universal ... -
European guidelines for postgraduate education in orthodontics and their impact on the world
(Seminars in Orthodontics, 2024)With the help of educators from all over Europe, the European Guidelines for Postgraduate Education in Orthodontics were created, and its influence spread far and wide. These recommendations, which ... -
Evaluation of dental and skeletal effects of orthodontic functional appliances associated with skeletal maturation of cervical vertebrae in class II malocclusion
(Universitat Internacional de Catalunya, 2020-06-19)Aim: To evaluate the effects produced by functional orthodontic appliances at dental and skeletal level in relation to skeletal maturation level in class II patients. Material and method: A retrospective ... -
Grosor vestibular gingival y óseo de los incisivos superiores e inferiores en biotipos finos y gruesos
(Fecha de defensa: 2017-06-09)Tesi doctoral sobre els gruixos de geniva i os per vestibular d'incisius superiors i incisius inferiors en 3 biotips diferents. Els objectius principals d'aquesta Tesi dividida en dos estudis són: Estudi ... -
In vitro corrosion behavior of lingual orthodontic archwires
(International Journal of Corrosion, 2011)To investigate the in vitro electrochemical corrosive behavior of archwires used in lingual orthodontics and the effects on the phase transition temperatures. Materials and Methods. Six different types ... -
In vitro study of shear bond strength in direct and indirect bonding with three types of adhesive systems
(Materials, 2020)This study aimed to compare the shear bond strength (SBS) and adhesive remaining index (ARI) using one conventional and two novel adhesive systems with clinical step reduction and direct and indirect ... -
"In vitro" study about variables that influence in arch friction with conventional and self-ligating brackets
(Materials, 2019-10-09)Many advantages have been described surrounding self-ligating (SL) brackets compared to metallic conventional ligating (CL) brackets, such as: Less total treatment time, alignment efficiency, patient ... -
New bactericide orthodonthic archwire: NiTi with silver nanoparticles
(Metals, 2020)A potential new bactericide treatment for NiTi orthodontic archwires based in the electrodeposition of silver nanoparticles on the surface was studied. Twenty-five archwires were treated by electrodeposition, ... -
NiTi superelastic orthodontic archwires with polyamide coating
(Journal of Materials Science: Materials in Medicine, 2013-10-24)Twenty orthodontic archwires with 55.2 % Ni and 44.8 % Ti (% weight) were subjected to a dipping treatment to coat the NiTi surface by a polyamide polymer. It has been selected a Polyamide 11 due to its ...