Micro-hardness of root canal dentin using various irrigating solutions: An

Richa Pathak, Meetu Mathur, Diganta Kumar Borah, Amit Kumar, Sonam Agrawal, Chinmayee Prusty, Pratik Surana

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Article in Bioinformation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Richa PathakDepartment of Conservative Dentistry and Endodontics, Buddha Institute of Dental Sciences and Hospital, Patna, Bihar, India.

Meetu MathurDepartment of Conservative Dentistry and Endodontics, Rajasthan Dental College and Hospital, Nirwan University, Jaipur, Rajasthan, India.

Diganta Kumar BorahDepartment of Conservative Dentistry and Endodontics, Regional Dental College, Guwahati, Assam, India.

Amit KumarDepartment of Dentistry, Lord Buddha Koshi Medical College and Hospital, Saharsa, Bihar, India.

Sonam AgrawalDepartment of Oral Pathology and Microbiology, Maitri College of Dentistry and Research Centre, Durg, Chhattisgarh, India.

Chinmayee PrustyDepartment of Pedodontics and Preventive Dentistry, Kalinga Institute of Dental Sciences, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar, Odisha, India.

Pratik SuranaDepartment of Pedodontics and Preventive Dentistry, Maitri College of Dentistry and Research Centre, Durg, Chhattisgarh, India.

Funding

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6 · The paper itself

Abstract

Evaluation of changes in dentin microhardness during root canal irrigation using eighty extracted mandibular premolars is of interest. After decoronation and halving, baseline microhardness was measured with a Vickers tester. The samples were divided into four groups: control (Normal Saline), 3% Sodium Hypochlorite, 17% EDTA, and 2% Chlorhexidine Gluconate, with each immersed in their respective irrigants for 15 minutes at 37°C. Results showed decreased microhardness in all groups except the control, with 17% EDTA causing the most significant reduction. Notable differences were found between groups 2, 4, and 1, but not between 1 and 3. Consequently, 2% Chlorhexidine is considered a suitable irrigation solution as it did not negatively impact dentin microhardness.

Indexed as

irrigating solutionMicro-hardnessroot canal dentinvickers micro-hardness tester (VMT)

Identifiers

PMID40822767

DOI10.6026/973206300211057

PMCPMC12357693

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