Are aligners harmful to your teeth? There is no danger. There is no need to. Wired braces require more care and can become clogged with food. Properly cleaning your teeth is crucial to keep away plaque build-up when you wear metal braces. Invisalign lets you take off the retainer, and then brush your teeth just like normal. 2. Are aligners safe to wear? They’re safe, and your child is able to be able to see them. Invisalign uses a marker which is readily visible, even if they aren’t wearing it. The marker fades away after having removed the retainer. This can boost confidence in your child’s self. Are Invisalign braces more expensive? Depending on your child’s dental well-being, Invisalign might be less expensive than traditional braces. Clear retainers can be more expensive than conventional braces, they may also be invisible , and boost the confidence of your child. The Invisalign system is more comfortable. Invisalign retainers are great in many ways and can be comfortable and simple to use. Are Invisalign braces worth the cost? The braces definitely are worth the money. v1goxela95.