bids are invited for boq elastic modules transparent ligature wire ss lingual button closing coil niti spring open coil niti spring separators wire ss 0.9mm dia intra oral elastic blue colour intra oral elastic green colour expansion screw ortho face mask archwire niti archwire ovoid upper archwire lower archwire archwire 0.016 archwire lower 0.016 ovoid archwire archwire ss archwire t loop archwire 36mm archwire 38mm archwire 24mm archwire 26mm silver solder head gear head gear cervical bracket roth arch wire band material molar tube molar tube upper preformed bands bonding agent etchant all ceramic all ceramic ingots all ceramic investment lubricant opaque fluid modeling fluid crucible former flux mta periodontal pack bur tungsten carbide bur flat fissure spray anesthetic syringe hypodermic pit and fissure sealant povidone iodine crown and bridge metal