About one hundred years ago, orthodontic treatment, is the patient of each tooth to ring (band), trapping orthotics are above the ring before spot welding, and then, an orthodontist and then tied with iron wire on the patient’s teeth to pull teeth, this is because the correction technology has just started, and also no composite resin this material,
The orthotics can be attached directly to the teeth, so the teeth can only be secured with a ring.
When the composite resin material was mature, orthodontists began to glue the orthodontists directly on the teeth. However, the orthodontists at that time were all large and boxy. With the progress of manufacturing technology and orthodontists, the orthodontists are getting smaller and smaller, and there are many changes in appearance.
The appearance of orthotics is not only more and more delicate, but also some are designed to conform to the shape of dental ergonomics. The orthotics themselves will also have thickness and Angle designs. The metal orthotics are made of stainless steel as the most basic style, but other metal materials such as gold are also made by manufacturers.
Of course, in consideration of aesthetics, there are plastic and ceramic correctors now. Ceramic, metal, plastic and ceramic Ceramic are compared.
In the aesthetic ceramic first, plastic second, metal third, in the price is just the opposite, in the durability is the same, metal is the strongest, plastic second, ceramic is easy to break, comfort is the most lightweight metal, ceramic second, plastic is the worst.
There is also a way to take care of the patient’s appearance, that is, the fixed orthotic device is installed on the tongue side of the tooth, so it is not easy for others to see, so some people call it hidden orthotic device, but this practice is difficult and the charge is high;
Moreover, it is disadvantageous to apply force, which should be further communicated between doctors and patients to see whether it is suitable
