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1.
J Indian Soc Pedod Prev Dent ; 2008 Sep; 26(3): 114-20
Artículo en Inglés | IMSEAR | ID: sea-114712

RESUMEN

Sealing occlusal pits and fissures with resin-based sealants is a proven method of preventing occlusal caries. Retention of the sealant is very essential for its efficiency. This study evaluated the retention of glass ionomer used as a fissure sealant when compared to a self-cure resin-based sealant. One hundred and seven children between the ages of 6-9 years, with all four newly erupted permanent first molars were selected. Two permanent first molars on one side of the mouth were sealed with Delton, a resin-based sealant, and the contralateral two permanent first molars were sealed with Fuji VII glass ionomer cement. Evaluation of sealant retention was performed at regular intervals over 12 months, using Simonsen's criteria. At the end of the study period, the retention of the resin sealant was seen to be superior to that of the glass ionomer sealant.


Asunto(s)
Grabado Ácido Dental/métodos , Bisfenol A Glicidil Metacrilato/uso terapéutico , Niño , Recubrimiento Dental Adhesivo , Caries Dental/prevención & control , Esmalte Dental/anatomía & histología , Estudios de Seguimiento , Cementos de Ionómero Vítreo/uso terapéutico , Humanos , Mandíbula , Ensayo de Materiales , Maxilar , Diente Molar/anatomía & histología , Selladores de Fosas y Fisuras/uso terapéutico , Cementos de Resina/uso terapéutico
2.
J Indian Soc Pedod Prev Dent ; 2005 Sep; 23(3): 124-5
Artículo en Inglés | IMSEAR | ID: sea-114655

RESUMEN

To compare the accuracy of root canal lengths in primary teeth determined by tactile sense, electronic apex locator, conventional radiography, and digital radiography in primary teeth. The study sample consisted of twenty 20 extracted, single-rooted primary teeth. A comparison was made between the working length measurements obtained by tactile sensation, electronic apex locator, conventional film, and digital radiography, using stereomicroscopic measurements to obtain real canal length. The mean readings obtained were 15.91 +/- 2.06 by tactile measurement, 15.94 94 +/- 1.42 by apex locator, 16.06 +/- 1.73 by conventional radiography, and 15.91 +/- 1.60 by digital radiography. No statistically significant differences were seen between the techniques.

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