- Protruding or bucked upper teeth
- Upper front teeth cover the majority of the lower teeth when biting together (deep overbite)
- Upper front teeth behind the bottom front teeth (underbite)
- Upper and lower front teeth do not touch when biting together (open bite)
- Upper back teeth inside of lower back teeth (crossbite)
- Baby teeth that are slow to fall out
- Thumb or finger sucking habit that continues beyond toddler years
- The centers of the upper and lower teeth do not line up
- Crowded or overlapped teeth
- Spaces between the teeth
- Teeth wearing unevenly or excessively
- Difficulty chewing
- The lower jaw shifts to one side when biting