الفهرس 
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Abstract
The system of chemomechanical removal of dental caries has been developed by goldman et al as an alternative to the conventional removal of carious dentine.
This study was designed to
1- Compare the efficacy of caries removal by N-monochloro DL.
2- TEST THEIR EFFECTS ON DENTINE MICROHARDNESS AND EVALUATE PULP TISSUE RESPONSE FOLLOWING APPLICATION OF THE THREE SOLUTIONS.
Sixy freshly extracted deciduous teeth having large carious lesion with moderate to hard consistency were collected washed with water and stored till used.
The teeth were randomaly divided into three groups twenty teeth each according to the solution used.
A delivery system consisting of a reservoir for the solution and a holder with a specially designed applicatior tip.3