The patient will be selected as per the pre-defined eligibility criteria. Written informed consent will be taken from each consenting participant. Initial caries excavation will be done under rubber dam isolation. The patient will then be randomly allocated to two groups: selective removal to soft dentin or stepwise caries removal. Composite restoration with glass ionomer liner will be then placed in both groups. Additional complete caries excavation will be done in the stepwise caries removal group after six months.
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