Filling and impressions - same day different dentists?

Yes, it is a problem if your attachments are off or partially off. They provide essential leverage. Call your dentist and they will replace them I'm sure.

Palatal expansion occurs along the midline suture of your palate and will most definitely affect the development of your midface (cheek bones). This expansion (if done slowly) is permanent. Palatal expansion benefits also include a broader smile and healthier airway, not to mention creating...

Some attachments are more important than others. If your orthodontist didn’t mention anything it was probably not one of the crucial once. He can always add new attachments or remove some of the old once as needed when a refinement is done.