Vamsee Krishna Nallagatla

The Hollow Tube Theory in Endodontics: Historical Origins, Experimental Refutation and Contemporary Clinical Legacies

Lakshmi Sunkara, Sunil Kumar Chennuru, Vamsee Krishna Nallagatla, Sadamsetty Sunil Kumar, Kalluru Subbarathnam Chandra Babu & Ramisetty Bharathi Suma · Asian Journal of Dental Sciences · 2026

The hollow tube theory occupies an unusual position in endodontic history. Formulated from early implant experiments in the 1930s, it proposed that an unfilled, non-vital root canal could sustain periapical inflammation because tissue fluids entering and stagnating within an open...