18 yo female, jaw started to grow out again, feel chin bone changing. why? i thought bones are supposed to be done growing by now?

Jaw growth: There is no normal bone growth at your age. This may be swelling that could be the result of a number of different causes. If you feel or observe changes in your jaw, consult with your dentist or an oral surgeon.

Jaw growth: Jaw growth and chronologic age do not relate well. It is possible that you have not completed bone growth because your "bone age" and your actual age don't agree. Some of the ways your bone age can be evaluated include having a wrist X-ray taken. This X-ray can be evaluated as to your actual bone age. Although this isn't totally accurate, it is a common way that doctors evaluate bone age.

Not likeley, but: body dysmorphia is a possibility. For some people, worries about appearance become extreme and upsetting, interfering with their lives and daily activities. A person with BDD is concerned about a specific body part. It usually begins during the teen years or early adulthood. See your PCP for evaluation and referral if needed.