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Paper Information

Journal:   JOURNAL OF MASHHAD DENTAL SCHOOL   WINTER 2008 , Volume 31 , Number 4 (63); Page(s) 251 To 260.
 
Paper: 

RADIOGRAPHIC AND CLINICAL EVALUATION OF REPAIR OF FURCAL MECHANICAL PERFORATIONS IN PREMOLAR TEETH OF DOG USING DARK MTA, WHITE MTA & PORTLAND CEMENT

 
 
Author(s):  BIDAR M.*, ZARABI M.H., NOUEI A.A., SARDARI K.
 
* DEPT. OF ENDODONTICS, SCHOOL OF DENTISTRY AND DENTAL RESEARCH CENTER OF MASHHAD UNIVERSITY OF MEDICAL SCIENCES, MASHHAD, IRAN
 
Abstract: 

Introduction: One of the problems affecting the prognosis of the treatment is perforation which requires immediate and proper intervention. Dark MTA is applied as material of choice to repair perforations. The purpose of this study was to evaluate the repair of mechanical furcal perforations radiographically and clinically using white MTA and Portland cement and comparing them with dark MTA.
Materials & Methods: In this experimental study, second to fourth mandibular and maxillary premolar teeth of five dogs received endodontic treatment following radiographic and clinical examinations. Then, the furcation area of the teeth was perforated and repaired with dark MTA in group 1, white MTA in group 2, Portland cement in group 3 and cotton pellet in group 4 (control). Animals were controlled for 4 months and sacrificed using an overdose of Sodium thiopental intravenous injection after radiographic and clinical examinations. Chi-square test was used to compare groups for gingival attachment and presence of radiolucency. To compare these items between each two groups, Fisher's exact test was used.
Results: There was no statistically significant difference between dark MT A, white MT A and Portland cement groups in presence of radiolucency and gingival attachment. However, all the three groups were significantly different in radiolucency and gingival attachment from control group.
Conclusion: Both white MT A and Portland cement revealed favourable results in repair of perforations and can be used as an alternative to dark MTA to repair perforations in the areas where esthetics is important and not important, respectively.

 
Keyword(s): PERFORATION, FURCATION, DARK MTA, WHITE MTA, PORTLAND CEMENT
 
References: 
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