PT Zero Self-Ligating Brackets
1、Mellow braces without edges and corners,more comfortable experience；
2、Patented self-ligating technology,smoother and more convenient open close device；
3、A variety of torques are more applicable,High Torque,Standard Torque are available；
4、Laser mark,80 meshes base design；
5、Optional hook hole design,free choice of belt hook,traction tooth position.