Scanning Electron Microscopy Analysis of the Intratubular Radicular Dentin Penetration of Calcium Hydroxide, Triple Antibiotic Paste, and Nitrofurantoin

Author:

Khanvilkar Unmesh1,Pawar Sanika1,Bandekar Siddhesh1,Dhok Vaishnavi1ORCID,Arora Suraj2,Pawar Ajinkya M.3ORCID,Pagnoni Francesco4,Reda Rodolfo4ORCID,Testarelli Luca4ORCID

Affiliation:

1. Department of Conservative Dentistry and Endodontics, Yogita Dental College and Hospital, Khed, Ratnagiri 415709, Maharashtra, India

2. Department of Restorative and Dental Sciences, College of Dentistry, King Khalid University, Abha 61421, Saudi Arabia

3. Department of Conservative Dentistry and Enododntics, Nair Hospital Dental College, Mumbai 400008, Maharashtra, India

4. Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Rome, Italy

Abstract

The aim of this study is to assess and analyze the intratubular penetration of the intracanal medications nitrofurantoin (Nit), triple antibiotic paste (TAP), and calcium hydroxide (CH). Sixty freshly extracted single-rooted teeth were acquired and decoronated to a standard length of 15 mm. To prepare specimens up to size F3, rotary ProTaper instrumentation was employed. The prepared teeth were divided into three groups, each of which received one of the tested intracanal medicaments: Group I (calcium hydroxide), Group II (triple antibiotic paste), and Group III (nitrofurantoin). Using a size #30 Lentulo spiral, a freshly prepared therapeutic paste was placed into the canals, and the intracanal medicaments were allowed to set in the incubator at 100% humidity. The samples were subsequently sliced perpendicularly to their long axis using a precision saw and assessed under a scanning electron microscope to assess the depth of penetration of intracanal medicaments at the coronal, middle, and apical portions of the root canal dentin. The data were analyzed using one-way ANOVA and Tukey’s post hoc test. The statistical analysis revealed a significant difference between the experimental groups in the quantity and depth of sealer penetration (p < 0.05). In particular, as compared to the Nit group, both the CH and TAP groups had significantly smaller penetration areas (p < 0.05). In conclusion, this ongoing investigation indicates that nitrofurantoin penetrated dentinal tubules better than calcium hydroxide or triple antibiotic paste.

Funder

Deanship of Scientific Research at King Khalid University, Abha, Saudi Arabia

Publisher

MDPI AG

Subject

Medicine (miscellaneous)

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