Transparent holder (laminated holder)
advantage:
(1) good retention effect
(2) beautiful
(3) light foreign matter
(4) little influence on pronunciation
Disadvantages:
(1) slightly higher
2. Inconvenient rest of teeth (or inconvenient "breathing" of teeth)
3. Easy to deform
Wire retainer (Halley's retainer)
advantage:
(1) cheap
(2) the teeth are easy to breathe
Disadvantages:
(1) the retention effect is relatively poor
(2) strong sense of foreign matters
(3) it has certain influence on pronunciation
(4) unsightly
As long as it is a holder, you can't wear it when eating. As long as you master the correct removal and maintenance methods, these two kinds of holders can not be easily rotten.
