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1.
Journal of Practical Stomatology ; (6): 589-592, 2016.
Article in Chinese | WPRIM | ID: wpr-495306

ABSTRACT

Dens invaginatus is an unusual malformation.The difficulty in recognizing a tooth with dens invaginatus frequently results in the delayed diagnosis followed by unpromising treatment outcome because the abnormality cannot be seen until the tooth is involved with pulp necrosis even apical periodontitis.The application of CBCT scanning and dental microscope is playing a significantly important role in both diagnosis and treatment of dens invaginatus.This paper presents 2 cases with dens invaginatus which were well diagnosed and properly trea-ted,reviews the pathology and intends to get the principle ideas for the diagnosis and treatment of dens invaginatus.

2.
Rev. ADM ; 71(2): 95-99, mar.-abr. 2014. ilus
Article in Spanish | LILACS | ID: lil-786701

ABSTRACT

Con la aparición de cada nuevo sistema de diagnóstico o tratamiento dental, es necesario capacitar a los cirujanos dentistas para su correctoempleo; los microscopios dentales no escapan a esta regla. En las últimasdos décadas el uso de microscopios dentales se ha incrementado, pero aún no se establece una reglamentación respecto a su empleo y son muy pocos los profesionistas que cuentan con estos equipos para su práctica privada, es por ello que no se han estandarizado técnicas para que los clínicos desarrollen las habilidades necesarias que les permitan utilizar los equipos de microscopia en su práctica cotidiana en forma segura y con facilidad. La técnica de ®pulpectomía lateral¼ es un ejerciciode micro-odontología que se realiza en dientes extraídos, que no tiene aplicación clínica como tal, pero es parte de una serie de procedimientos que tienen la fi nalidad de desarrollar las habilidades de orientación, movimientoy aplicación de presión. Estas habilidades son indispensablescuando se trabaja en la boca de los pacientes con microscopios dentales


As new diagnostic and dental treatments emerge, dental surgeons need to be trained in their correct use. Dental microscopes are no exception to this rule. In the last two decades, the use of dental microscopes has increased, though no set rules for their use have been defi ned. Moreover, few professionals have this equipment in their private practice, which is why techniques have not been standardized for clinicians to develop the skills required for them to be able to use dental microscopes easily and safely in their daily practice. The ®lateral pulpectomy¼ technique is a microdentistry training exercise that is performed on extracted teeth. Though it has no clinical application as such, it forms part of a series of procedures that are designed to develop directional, motion, and pressure skills, all of which are essential when working with dental microscopes in the mouths of patients.


Subject(s)
Dental Instruments , Education, Dental, Graduate/methods , Pulpectomy/methods , Microscopy/methods , Endodontics/education , Photomicrography/methods , Minimally Invasive Surgical Procedures/methods
3.
Int. j. odontostomatol. (Print) ; 7(3): 475-481, Dec. 2013. ilus
Article in English | LILACS | ID: lil-696581

ABSTRACT

The purpose of this study was to investigate whether the Electrochemical Dissolution (DE) facilitates the retrieval of fractured files, from Endo-Training block with an artificial root canal, by using ultrasonic techniques (US). Twenty Endo-Training block with an artificial single canal with working length 16 mm and twenty nickel-titanium (NiTi) Protaper Universal rotary files were used. 10 Shaping S1 files and 10 Shaping S2 files, were sectioned transversally within the conduit, to 5mm of the apical tip. Twenty samples were divided into four groups: Group1 and 3 received the action of DE and US, and groups 2 and 4 received the action of US. To remove the fragments we used Staging Platform and Dental Microscope. Outcome was analyzed statistically by Student t test. Statistical Analysis showed a significant difference in retrieval time of the fragments and weight loss mass of Endo training block ultrasonic tips were used, between groups that applied Ultrasonic with electrochemical dissolution and the group using only ultrasonic. It can be concluded that there was weight loss mass of separated fragment by electrochemical action, however, it was not sufficient and its use alone was inconclusive to retrieve the fragments. The procedure needs to be complemented with the use of the staging platform, ultrasonic tips and Dental Microscope.


Este estudio tiene como propósito determinar si la Disolución Electroquímica (DE) favorece el retiro de fragmentos de limas fracturadas, insertos en bloc endodónticos de entrenamiento de resina, con un conducto radicular simulado, mediante el uso de ultrasonido (US). Se utilizaron 20 bloc y 20 limas rotatorias usadas ProTaper Universal de NiTi Shaping Files, 10 S1, 10 S2, que fueron fracturadas dentro del conducto, a 5 mm desde la punta apical y divididos en Grupo1 y 3 que recibieron la acción de la DE y US; y Grupo 2 y 4 sólo utilizó US. Para retirar los fragmentos se utilizó Plataforma de Trabajo y Microscopio Dental. Los datos fueron analizados con la prueba T de Student. Los resultados indican que existen diferencias estadísticamente significativas en el tiempo de retiro de los fragmentos y en la pérdida de masa del bloc de entrenamiento por el uso del ultrasonido, en los grupos que se aplicó Disolución Electroquímica más Ultrasonido. Se puede concluir que la acción electroquímica permite que exista pérdida de masa del fragmento fracturado, sin embargo, no es suficiente y su sola utilización no es concluyente para retirar los fragmentos, es necesario complementar el procedimiento con la utilización de la Plataforma de Trabajo, puntas de ultrasonido y el Microscopio Dental.


Subject(s)
Humans , Dental Alloys/chemistry , Foreign Bodies/therapy , Root Canal Preparation/methods , Device Removal/methods , Electrochemical Techniques/instrumentation , Electrolysis/methods , Microscopy , Nickel , Solubility , Titanium , Ultrasonics
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