New Delhi, Nov. 8 -- New Delhi: With more than 15 million root canal treatments estimated to be performed in the country every year, the Bureau of Indian Standards (BIS) has proposed revised specifications for materials used in the procedure, two government officials said.

The Bureau of Indian Standards (BIS) has just released draft norms for both root canal filling materials and the sealers used to seal the canals. The objective is to standardise material sizes, improve their X-ray visibility, and introduce a common colour-coding and labelling system so that the dentist can more easily select the right product for the procedure.

The revised standards are intended to reduce variation between manufacturers and improve clinical decision-m...