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Year : 2021  |  Volume : 11  |  Issue : 2  |  Page : 68-72

Comparative evaluation of tissue dissolving capacity of sodium hypochlorite, peracetic acid and in combination: An In vitro study

Department of Conservative Dentistry and Endodontics, MGPGI, Puducherry, India

Correspondence Address:
Dr. Prashanth Ponnusamy
No. 167, West Street, Gandhi Thirunallur, Mutharaiyarpalayam, Puducherry - 605 009
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jid.jid_74_20

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Background: The capacity of an irrigant to dissolve pulp tissue is of paramount importance as it can clean areas of the root canal that are inaccessible to instrumentation. Aim: To evaluate the tissue dissolving capacity of sodium hypochlorite (NaOCl) and peracetic acid (PAA) in combination. Materials and Methods: Forty maxillary central incisors were split longitudinally and grooved to mimic lateral canals. Pulp retrieved from freshly extracted impacted third molars were placed in grooves and repositioned in a putty index. All samples were irrigated with four different irrigants. 3% NaOCl; 1% PAA; 3% NaOCl and 1% PAA and Normal saline. Samples were irrigated for 5, 10 and 15 min weighed before and after each cycle with precision balance. Statistical analysis with ANOVA and post hoc Bonferroni was performed. Results: All groups showed tissue dissolution, except Group IV (Negative control). Complete dissolution did not occur in any sample. Group III showed statistically significant difference at 10 min. Conclusion: Results suggested that NaOCl and PAA in combination have better tissue dissolving capacity than used individually.

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