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ISSN: 2637-6636

Interventions in Pediatric Dentistry: Open Access Journal

Research Article(ISSN: 2637-6636)

Rotary Systems Versus Manual K-File System in Primary Molar Root Canals - In Vitro Study

Volume 2 - Issue 2

Abdul Karim Jalal Al Rwaily*

  • Author Information Open or Close
    • General dental practitioner, Turaif National Dispensary, Turaif, Saudi Arabia

    *Corresponding author: Abdul Karim Jalal Al Rwaily, General dental practitioner, Turaif National Dispensary, Turaif, Saudi Arabia

Received: September 25, 2018;   Published: October 03, 2018

DOI: 10.32474/IPDOAJ.2018.02.000132

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Abstract

Aim: To evaluate and compare the cleaning ability between two, rotary shaper and manual K-files in primary molar root canals.

Material and method: Twenty extracted maxillary and mandibular primary molars and 10 mm length were cleaned in water and stored in 0.5% sodium hypochlorite for 1 week. Caries excavation was done. Coronal access was made. After irrigation of the root canal with normal saline, a K-file with a compatible diameter was introduced into the root canal and the canal length was determined. A K-file size #15 was introduced into the root canal and 1 ml Indian ink was injected into the orifice. The roots were then randomly divided into 2 groups.

Results: Group-A (K-File) was compared at Coronal, Middle and Apical thirds using Pearson’s Chi-Square test. Results showed that Group-A (K-File) performed better at the apical thirds, reporting complete removal in 83.3% of cases followed by coronal third and the least percentage of complete removal was displayed in the middle third with only 43.3% of cases reporting complete removal. Group-B (rotary) was compared at Coronal, Middle and Apical thirds using Pearson’s Chi-Square test. Results showed that Group-B (rotary) performed better at the Coronal and middle thirds, reporting complete removal in 76.7% of cases and the least percentage of complete removal was displayed in the apical third with only 23.3% of cases reporting complete removal. Group A showed a better performance by exhibiting complete removal in 83% of the cases, while remaining comparison showed a better result with nearly 76.7% of the cases reporting complete removal, and remainder cases reporting 50% and more or lesser ink removal.

Conclusion: Rotary files can be an acceptable alternative in primary teeth root canal preparation, as instrumentation time is reduced, and the prepared root canal is more conical which favors better obturation. Clinically, reduced instrumentation time would significantly improve patient cooperation and lessen fatigue of the operator.

Keywords: Rotary System; K-File Coronal Apical; Middle Third; Pediatric Dentistry

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