Orthodontic knowledge post: Detailed explanation of the components of orthodontic braces

While dental health is getting more and more attention, more and more friends are choosing orthodontic treatment. More and more people want to change their dental problems. Nowadays, dental clinics are full of people no matter where they are during holidays, but orthodontic treatment is slowly making life easier. At the same time, I found that many people knew nothing about orthodontic treatment. Even after wearing braces themselves, they still didn’t understand anything. After reading this article, you will no longer be an orthodontic novice!

1. Type of braces:
1. Labial appliance: Brackets, wires and other appliance components are affixed to the labial and buccal surfaces of the crown.

(1) Metal brackets: There are square wire brackets and straight wire brackets, both of which look similar.

(2) Ceramic bracket braces:

There are also many varieties of ceramic brackets, here are some examples:

Single crystal brackets (with many names: ICE ice crystal brackets, sapphire crystal brackets, etc.), ceramic brackets, resin ceramic brackets, ceramic brackets with metal grooves (due to the large friction resistance between ceramic brackets and steel wires) , the increased metal grooves can reduce friction resistance).
For single lens brackets, please note that the patient uses aesthetic wires (the wires are coated with a white film)

2. Lingual appliance: Brackets, wires and other appliance components are pasted on the lingual side of the crown.
3. Bracketless aligners: The American product is Invisalign, and Chinese products include Angel, Zhengya, Henghui and other bracketless invisible braces.

2. Alignment components:
1. Brackets: The adhesive is directly bonded to the surface of the crown, and the archwire exerts various types of correction force on the teeth through the brackets.

2. Archwire: Usually refers to the "main archwire", which is an arc-shaped steel wire that passes through the grooves of all brackets and the buccal tubes of the molars, connecting the appliance components as a whole.

(1) Bows are available in various sizes: according to the cross-sectional shape, they are divided into round wire, square wire, and rectangular wire. The size is expressed in inches. For example, 0.016"NITI means that the steel wire material is 0.016-inch nickel titanium round wire, 0.018x0.025" SSW means that the steel wire material is 0.018x0.025 rectangular stainless steel wire (referred to as 1825 stainless steel square wire). Silk) .
(2) There are various types of steel wires: super-elastic nickel-titanium wire, copper-containing nickel-titanium wire, and stainless steel wire.
Multi-curved stainless steel square wire (many "L" shaped curves are bent on the basis of maintaining the arc shape of the steel wire). The doctor makes personalized bends according to the width of the patient's teeth. This type of silk has no finished product and can only be individually bent, making it difficult to make and apply. But there are some special effects.