Das’s Tip Torque Thickness Customisation Device is an easy to handle, simple machine to customise... the lingual braces’ brackets. This enables one to practice Lingual Orthodontics without lab dependency at minimal expenses that benefits the underprivileged patients. To prepare these lingual brackets with accurate prescription various expensive imported devices were used which was the reason for high cost of the treatment. Prof Das’s innovation of DTC Device has brought down the cost of lingual orthodontic treatment drastically.

Hiro’s technique of lingual bracket customisation has been simplified by... Prof Das, where in the cumbersome process of ‘cast cutting’ is omitted and the entire process is done by commonly available dental materials.

Das’s Occlusal Window Transfer Tray is so designed that the excess flash of composite... is directed occlusally / incisally during indirect bonding of lingual brackets.

He has set guidelines for Lingual Metal Typodont Exercises for ... the ‘National Integrated Typodont Workshop Manual’ released by Indian Orthodontic society.