Heat treatment of Sodium Hypochlorite : A Comprehensive Review
Keywords:“heat treatment of sodium hypochlorite”, “sodium hypochlorite”, “prewarmed sodium hypochlorite”, “intracanal heating of sodium hypochlorite”, “heating sodium hypochlorite”.
Introduction - The primary objective of root canal therapy is reduction of the bacteria in the root canal. The
effective debridement depends on thorough cleaning and shaping of the complex root canal system. Chemical
débridements can be optimally achieved using various irrigants and intracanal medicaments. The primary
irrigant of choice is Sodium Hypochlorite. It has excellent tissue dissolving ability along with antibacterial
property. The purpose of this review is to discuss the need to heat Sodium Hypochlorite, techniques to heat
Sodium Hypochlorite, effect of Sodium Hypochlorite on tissue dissolution, antibacterial efficacy, penetration
into dentinal tubules, viscosity, and effect on Ni-Ti alloy and temperature rise on external surface of root.
Method- An electronic search was carried out using the certain keywords: “sodium hypochlorite”, “heated
sodium hypochlorite”, “prewarmed sodium hypochlorite”, “intracanal heating of sodium hypochlorite”, to
collect literature available on Heat treatment of Sodium hypochlorite.
Result- Fourty One articles published between 1936-2020 were selected. Four main categories of data were
highlighted: Sodium Hypochlorite and Heat, the need to heat Sodium Hypochlorite, different techniques to
Heat Sodium Hypochlorite, effect of Sodium Hypochlorite on various parameters.
Conclusion- The efficacy of lower concentration of sodium hypochlorite can be effectively enhanced by
increasing its temperature. It enhance the pulp dissolution, antibacterial efficacy and flow without any
adverse effect on periodontal ligament or outer surface of the root.
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