Original ResearchPublished 12 October 2026Development and in vitro evaluation of a novel carboxymethyl chitosan–based potassium oxalate strip for dentinal tubule occlusion and penetrationMonica Antony · Sruthy Prathap · Jayachandran Venkatesan · Vinita BoloorFrontiers in Dental Medicinedoi 10.3389/fdmed.2026.1932702