Metal Mouth Message Board

Hi- My daughter is 8 and just got the Herbst expander 4 days ago. She can barely open her mouth and I haven't even turned the thing because she's in too much pain. I decided to wait until she's used to it before I start tightening it. She's got canker sores on one side. What can I do to help her? Sh...

Hi- My daughter is 8 and just got the Herbst expander 4 days ago. She can barely open her mouth and I haven't even turned the thing because she's in too much pain. I decided to wait until she's used to it before I start tightening it. She's got canker sores on one side. What can I do to help her? Sh...