The Maharashtra government has tightened regulations for dental laboratories and technicians following allegations that some labs were melting ₹5 nickel-brass coins to manufacture substandard dental crowns, bridges, and dentures. #maarashtra #dental #wion About Channel: WION The World is One News examines global issues with in-depth analysis. We provide much more than the news of the day. Our aim is to empower people to explore their world.