It is totally normal to feel like you are lisping when you first start wearing the trays. The more you speak with it in, the more your tongue will get used to it and adapt. It is helpful to read out loud to speed up that process. If it is really necessary, you can remove the upper tray when...
Invisalign is your treatment of choice. a poor 2nd is veneers which would be bulky, difficult to match the colors of your adjacent teeth, and could fracture.
Thanks for your question, Just so you know it is normal to see a slight space between the teeth and the aligner when it is just inserted. As you wear the aligner the space should get smaller. As long as you are wearing it the required hours you shouldn’t worry about it not working this e...