Short Term Effect of Intracanal Calcium Hydroxide on the Compressive Strength of Root Dentin of Mature Human Permanent Teeth
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2019, Vol 18, Issue 1
Abstract
Context: Calcium hydroxide is commonly used as an intracanal medicament in endodontic treatment of teeth with periapical infections. Although it is generally accepted as a highly biocompatible material, it may cause significant change in fracture resistance of root dentin of a tooth. Aims: The study aims at evaluating the effect of short term application of intracanal calcium hydroxide on resistance of root dentin of mature human permanent teeth against compressive forces with an objective to understand the interaction of the material with root dentin. Settings and Design: Sixty human extracted permanent teeth were divided into two groups – a control group and an experimental group. Universal testing machine (Instron) was used to apply vertical compressive forces on the teeth under study. Methods and Material: Endodontic access was achieved in all the teeth and the teeth in experimental group were filled with intracanal calcium hydroxide for 30 days while those in the control group were left empty, following which, they were sectioned at the level of cementoenamel junction and tested for the compressive force required to fracture the root by using Instron. Statistical analysis used: Mean of compressive forces Independent t-test Results: Teeth in the experimental group had mean value of compressive strength (211.85 MPa) which is lesser than that of control group (246.69 MPa). The short term use of intracanal calcium hydroxide reduces the strength of dentin of mature human teeth by 14.13% after 30 days. Conclusion: Use of calcium hydroxide as an intracanal medicament decreases the compressive strength of root dentin making it more susceptible to fracture. Thus, use of calcium hydroxide in endodontics should be revisited.
Authors and Affiliations
Anil P Richhawal, Vathsalya K Shetty, Sanpreet S Singh, Nilesh L Jadhav
Keywords
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- EP ID EP430910
- DOI 10.9790/0853-1801013639.
- Views 75
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