See an orthodontist or dentist for an evaluation
Use braces to move the teeth and jaws into better alignment
Use clear aligners only if the underbite is mild and suitable
Use elastics if prescribed by the orthodontist
Use a palatal expander if recommended for a growing child
Consider jaw surgery for severe skeletal underbite in adults
Combine braces and jaw surgery for major bite correction
Treat missing or damaged teeth that may worsen the bite
Stop habits that can affect jaw alignment, such as thumb sucking
Wear retainers after treatment to maintain the correction
Address tongue thrusting or other oral habits with therapy if needed
Get early treatment for children to guide jaw growth
Manage symptoms with soft foods and pain relief if the bite causes discomfort
Follow all orthodontic instructions and attend regular checkups