Doctor Hsian-Hsiung Chiang specializes in Pediatric Dentistry and Orthodontics. Doctor Chiang acquired a master degree from National Taiwan University and has abundant experience in pediatric dentistry. The American Association of Orthodontists suggest children to undergo initial professional Orthodontist specialist evaluation at the age of 6 and to undergo frequent check-ups. The specialist shall provide expert evaluation and treatment suggestions. Adjustments may include: 1) The gap between incisors is too large; 2) open bite; 3) anterior bite; 4) Premature loss or defect of milk tooth; 5) Severe open bite, anterior bite and mandibular prognathism; 6) Lateral Deviated Mandible etc.