EFFICACY OF MORINDA CITRIFOLIA ASSOCIATED WITH MANUAL DYNAMIC AGITATION ON SMEAR LAYER REMOVAL: (IN VITRO SCANNING ELECTRON MICROSCOPIC STUDY)

Document Type : Original Article

Authors

1 conservative, faculty of dentistry, alexandria university

2 Professor, Department of Conservative Dentistry, Faculty of Dentistry, Alexandria University, Egypt

3 Conservative Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt

Abstract

INTRODUCTION: Endodontic treatment requires chemo-mechanical preparation of root canal to minimize the intracanal bacterial load. However, mechanical debridement results in smear layer formation containing infected debris requiring its removal before obturation.
AIM OF THE STUDY: To assess the efficacy of Morinda Citrifolia juice (MCJ) as final irrigation protocol associated with manual dynamic agitation on smear layer removal by using scanning electron microscope.
MATERIALS AND METHODS: Forty-five human mandibular permanent premolar with single canals were decoronated to a standard length of 15mm and instrumented using PTN rotary files till X3. Roots were then divided into 3 equal groups (n=15) according to the final irrigant used: Group I: 6% MCJ, Group II: 6% MCJ + 17% EDTA, Group III (control group): 2.5% NaOCl + 17% EDTA. Manual dynamic agitation (MDA) was used to activate the irrigants in the 3 groups. After that, the teeth were prepared for scanning electron microscopy evaluation, and smear layer removal was assessed.
RESULTS: Along complete canal length, no significant difference was found between 6%MCJ+17% EDTA and 2.5% NaOCl + 17% EDTA (p=0.29). However, a significant difference was noted between 6%MCJ and 2.5% NaOCl + 17% EDTA (p=0.001). In all groups, the coronal third showed the best results (P = 0.02) and the apical third showed the worst with (P = 0.007.
CONCLUSION: The use of 6%MCJ+17% EDTA associated with MDA could be an alternative to 2.5% NaOCl + 17% EDTA for smear layer removal, however, MCJ alone isn’t effective in smear layer removal.

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Alexandria Dental Journal
Volume 48, Issue 3
B (Endodontics, Prosthodontics, Fixed prosthodontics, Conservative dentistry, Dental Biomaterials)
December 2023
Pages 180-186

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