Document Detail

Microbiological assessment of root canals following use of rotary and manual instruments in primary molars.
MedLine Citation:
PMID:  24683774     Owner:  NLM     Status:  In-Process    
AIM: To assess the microflora of root canals in primary molars following use of rotary NiTi files and conventional hand NiTi and stainless steel files.
STUDY DESIGN: This randomized clinical trial consisted of a total of 60 first and second primary molars requiring root canal treatment, who were selected from children aged 5-9 years. Based on type of root canal instrumentation, the teeth were randomly assigned to three groups of twenty teeth each; Group A: Rotary NiTi files, Group B: Hand NiTi files and Group C: Hand stainless steel files. Following administration of local anesthesia, isolation with rubber dam was carried out. For the purpose of instrumentation and sampling, the palatal canal of maxillary molars and the distal canal of mandibular molars were selected. Prior to sampling, the orifices of other canals in these teeth were sealed, so as to prevent any contamination. Instrumentation was carried out in each group using respective instruments along with intermittent saline irrigation. Root canal samples were obtained both before and after instrumentation, using sterile absorbent paper points and transferred to a sterile vial with transport fluid. Serial dilutions were prepared and cultured on suitable agar media. Both aerobic and anaerobic microbial counts were made. Data obtained was subjected to statistical analysis using Wilcoxon signed rank test and one-way Analysis of variance.
RESULTS: In all three groups, there was a significant reduction in both aerobic and anaerobic mean microbial count following root canal instrumentation. (p < 0.001).
CONCLUSION: Rotary NiTi files were as efficient as conventional hand instruments in significantly reducing the root canal microflora.
Priya Subramaniam; T A Tabrez; K L Girish Babu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of clinical pediatric dentistry     Volume:  38     ISSN:  1053-4628     ISO Abbreviation:  J Clin Pediatr Dent     Publication Date:  2013  
Date Detail:
Created Date:  2014-03-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9100079     Medline TA:  J Clin Pediatr Dent     Country:  United States    
Other Details:
Languages:  eng     Pagination:  123-7     Citation Subset:  D    
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