1 results about "Deciduous teeth" patented technology

A kind of dental appliance is provided with multiple rings for being sleeved in deciduous teeth or permanent teeth and as fixed point, connecting device, traction hook for traction permanent teeth to be corrected, tongue bar for forming with the resistance area of tongue to avoid the forward extension of tongue and fixing hook for being fixed with permanent teeth to be corrected, ring is fixedly connected with the connecting device, traction hook is fixedly connected with at least one ring, tongue bar is fixedly equipped in connecting device and is located in the lingual side of incisor, and fixing hook is buckled with traction hook by connecting piece.The dental appliance forms multiple tension fixed points, corrects permanent teeth to be corrected, improves the force stability of permanent teeth to be corrected, and reduces the stress of other teeth, reduces the risk of deciduous teeth loosening and falling off.Moreover, the dental appliance forms the resistance area of tongue with the tongue bar, avoids the inadvertent forward extension of tongue, and further avoids the bad habits such as tongue extension, licking teeth, sucking fingers and primary tongue spitting, so as to improve the correction effect.