Salivary alpha-amylase activity and its association with early childhood caries and rampant caries experience: a cross-sectional study - Padmanabhan, Vivek; Islam, Md Sofiqul; Rahman, Muhammed Mustahsen; Goud, Manjunatha B. K.; Alshehhi, Latifa Majed Sulaiman Allay; Hamed, Hebah Mushref Ahmad; Haridas, Sheela; Sharma, Dileep (Frontiers in Medicine, 2025)