Does not interfere with the normal physiological activities of teeth.
For the growing dentition, the retainer can not hinder its normal development. Therefore, when choosing the retainer, we should consider the physiological activities of the teeth and choose the appropriate retainer.
Oral function is not affected.
The use of retainer should ensure that oral functions such as chewing and pronunciation are not restricted, and at the same time, it should also ensure that it does not affect the appearance. Therefore, when choosing the retainer, we should consider the oral function and beauty.
Clean and convenient
The retainer should be easy to clean to avoid the accumulation of food residues and bacteria, thus preventing dental caries and periodontitis. Therefore, the convenience of cleaning should be considered when choosing the bracket.
Simple structure, not easy to be damaged.
The structure of the retainer should be simple, durable and not easy to be damaged, and it should be easy to take off and wear. Therefore, when choosing the bracket, we should consider simplicity, durability and convenience of taking and placing.
Flexible adjustment
If the retainer doesn't fit, it should be able to adjust easily. Therefore, the flexibility and convenience of adjustment should be considered when choosing the retainer.