I have 50 years of experience, and specialize in the field of orthodontics with specific knowledge in the areas of growth and development, biomechanics and diagnosis and treatment of malocclusion. I have published on such topics as legal ramifications of the practice of dentistry and orthodontics, biology of tooth movement and biomechanics. I have testified 12 times on topics such as dental malpractice, defamation of character and ethical behavior.