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Cleaning ability of two irrigating solutions in primary root canals
P Nihar1, Deepthi M2, Mrunal Kalambe3
1Department of Conservative Dentistry and Endodontics, CKS Theja Dental College, Tirupati, DR. N.T.R University of Health Sciences, Vijayawada, Andhra Pradesh, India.
Bioinformation
|June 12, 2026
Summary
1% sodium hypochlorite effectively cleans primary root canals better than saline. This finding supports its use in pulpectomy procedures for primary teeth, improving overall dental treatment efficacy.
Area of Science:
- Pediatric Dentistry
- Endodontics
- Biomaterials
Background:
- Primary root canal cleaning is difficult due to complex anatomy and root resorption.
- Mechanical cleaning alone has limited efficacy in primary teeth.
Purpose of the Study:
- To compare the cleaning efficacy of 1% sodium hypochlorite and normal saline as irrigants in primary teeth.
- To evaluate residual debris after instrumentation and irrigation.
Main Methods:
- Forty primary molars were divided into two groups (n=20).
- Teeth were instrumented and irrigated with either 1% sodium hypochlorite or saline.
- Residual debris was assessed using stereomicroscopy in canal thirds.
Main Results:
- The sodium hypochlorite group had significantly lower debris scores than the saline group (p < 0.05).
- Superior cleaning was observed across all canal thirds, especially the apical third.
Conclusions:
- 1% sodium hypochlorite demonstrates superior cleaning efficacy in primary root canals compared to saline.
- Sodium hypochlorite may be the preferred irrigant for pulpectomy in primary teeth.
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