Dipotassium Oxalate for Postoperative Sensitivity in NCCLs

Inclusion Criteria: * Individuals aged 30 to 45 years. * Presence of at least one tooth with a non-carious cervical lesion (Class V) with a lesion depth of ≥1 mm, requiring restorative treatment. * The NCCL must show some symptoms/signs of pre-op sensitivity on applying stimulus (i.e Air burst / ethyl chloride spray) and will be recorded. * The involved teeth must be vital and show no signs or symptoms of irreversible pulpitis or necrosis. * Subjects must be willing to provide written informed consent and commit to the study's follow-up schedule. * Subjects with fair to good oral hygiene as determined by a simplified oral hygiene index (OHI-S score ≤2). Exclusion Criteria: * Presence of carious lesions or restored teeth with existing secondary caries * Any tooth with pulpal involvement, previous root canal therapy, or periapical pathology. * Teeth with chronic periodontal disease( BPE score 3 and above.). * Individuals regularly using Desensitizing toothpastes, NSAIDs, antidepressants, or any other pain-modulating drugs that may alter sensitivity reporting.