About Our Doctors


Meet The Faculty At UNLV

While our dedicated team of highly trained residents carries out treatment, our panel of board-certified orthodontists continually monitors and reviews every case. Get to know the faculty of doctors at UNLV and schedule a free consultation with us today!



Dr. Walter Babula

Dr. Walter Babula was born in the northeastern Pennsylvania coal country. He attended Kings College in Wilkes-Barre, Pennsylvania, where he was a Dean's List student and received a Bachelor of Science degree in Biology. He was confirmed a Doctor of Dental Medicine (D.M.D.) degree with summa cum laude honors from the University of Pittsburgh School of Dentistry. In addition to graduating first in his class, he was awarded the Senior Achievement Award for his excellence in restorative dentistry and fixed prosthetic dentistry. Dr. Babula completed a National Institute of Dental

Research Traineeship in Speech Pathology at the University of Pittsburgh.

Dr. Babula completed his orthodontic residency at the University of North Carolina, one of the most prestigious orthodontic programs in the country. There, he received a Master of Science in Orthodontics. While at the University of North Carolina, Dr. Babula's research was in the area of facial growth, and it was subsequently published in the American Journal of Orthodontics. Dr. Babula arrived in Fairbanks, Alaska in 1970 and was stationed at Bassett Army Hospital as Ft. Wainwright's first full-time orthodontist. He entered private practice in Fairbanks in 1972 where he continues to practice on a part-time basis. He is a board certified orthodontist and a Diplomate of the American Board of Orthodontics.

Dr. Babula decided to share his orthodontic experience with the future generations of orthodontists by joining the faculty at the University of Nevada Las Vegas in 2006. He is a part-time faculty member in the UNLV School of Dental Medicine Advanced Education in Orthodontics and Dentofacial Orthopedics Residency, where he both lectures and clinically supervises the residents in our orthodontic clinic.

Dr. Babula is an avid Alaska outdoors enthusiast, and he enjoys activities including hunting, fishing, golfing, cross-country skiing and gardening. Dr. Babula and his wife, Marita, have made possible the creation of the Babula's Children's Garden as an extension of the Georgeson Botanical Gardens on the Fairbanks campus of the University of Alaska.

Professional Affiliations

  • American Dental Association
  • American Association of Orthodontics
  • Omicron Kappa Upsilon, Honorary Dental Society
  • Alaska State Dental Society, Past Secretary
  • Alaska State Society of Orthodontists, Past President
  • North Central District Dental Society, Past President
  • Pacific Coast Society of Orthodontists
  • Cleft Palate Team Member in Fairbanks, Alaska
  • Far North Pankey Study Club of Fairbanks
  • Advisory Board Member of the Tanana Valley Community College Dental Assistant Program
  • International College of Dentistry

Dr. James Mah

Dr. James Mah is a Clinical Professor and the Program Director in Orthodontics at the University of Nevada, Las Vegas. His academic career spans over 20 years with prior academic appointments at the University of Southern California and Harvard School of Dental Medicine. His research is focused on 3-Dimensional imaging and modeling for the purposes of diagnosis, treatment planning and therapeutics as well as anthropology and forensics. He has been involved in the research and development of Cone-Beam CT scanners, 3-D facial imaging devices, intra-oral scanners and CAD/CAM applications in dentistry.

He obtained his Doctorate of Dental Surgery (D.D.S.) degree, Master of Science degree and his Certificate of Specialization in Orthodontics from the University of Alberta. He then graduated from Harvard Medical School with a Doctorate of Medical Science degree and completed a Post-Doctoral Fellowship in the Department of Orthopaedics at Children’s Hospital in Boston, Massachusetts. Dr. Mah has authored numerous publications, textbooks and book chapters, and he regularly presents nationally and internationally. In addition, his work has been featured in the Los Angeles Times, National Post, Men’s Health, Tech TV and YouTube.

drmartinDr. Bob Martin

Dr. Bob Martin grew up in Covington, Virginia, which he left to attend college at Bridgewater College and was awarded a Bachelor of Science in Chemistry. In his final year of his bachelor’s degree, Dr. Martin transferred to the Medical College of Virginia (now known as Virginia Commonwealth University) to start his dental degree. After graduating with his Doctorate of Dental Surgery (D.D.S.) degree, Dr. Martin went on to practice dentistry in a private office. Later, Dr. Martin decided to return to college to further his education in the dental field, and he returned to the Medical College of Virginia to get his certification in orthodontics.

Once Dr. Martin was finished with his education, he went on to practice orthodontics for 24 years before retiring from his practice to pursue other interests. In 2005, Dr. Martin moved to Las Vegas to accept a teaching position at UNLV School of Dental Medicine Advanced Education in Orthodontics and Dentofacial Orthopedics, where he has been teaching ever since.

During Dr. Martin’s orthodontic career, he had many accomplishments and received many awards, including:

  • Founding President of Medical College of Virginia, Orthodontic Foundation
  • President of the Virginia Orthodontic Society
  • Board certified with the American Board of Orthodontics and a Diplomate member since 2007
  • A member of many prestigious dental and orthodontic associations/societies:
    • Nevada Dental Society
    • Virginia Dental Society
    • American Dental Association
    • Southern Society of Orthodontics
    • Pacific Coast Society of Orthodontics

Dr-Steve-Semaan--bio-small-Dr. Steven Semaan

Dr. Steven Semaan is the founder of Clear Smiles Orthodontics on the Gold Coast in Queensland Australia. He completed his Dental Science degree at Sydney University where he graduated with Honours.  Dr. Semaan is part of an elite group of orthodontists who have pioneered the Invisalign technique in Australia and is the leading provider of Invisalign and Insignia braces in his city.  He prides himself on offering completely customized treatment options to adults and children.He is a faculty member at the University of Nevada, Las Vegas, USA where he assists the Post graduate residents.

Dr. Semaan is known for his passion in using the latest technology to bring about the best clinical outcomes and efficiencies in his practice. His colleagues and friends know Dr Semaan as a compassionate, caring and a very thorough doctor. He and his wife Rebekah are the proud parents of 6 children.


Dr. Clifford Seran

Dr. Clifford Seran grew up in the suburbs of Philadelphia, Pennsylvania but left home to pursue his college education at Bucknell University. After being there for four years, Dr. Seran received his Bachelor of Science in Biology degree. Dr. Seran was then accepted into the dental program at University of Pennsylvania School of Dental Medicine, from which he received his Doctor of Dental Medicine (D.M.D.) degree. He didn’t stop there though and continued on to earn his orthodontic certificate from the University of Pennsylvania School of Dental Medicine.

Once Dr. Seran received his orthodontic certificate, he opened a private practice in Sothern New Jersey, where he practiced for 33 years. During 25 of those years, Dr. Seran also was a core member of the Cleft Palate/Craniofacial Team at Cooper Hospital/University. In 2005, Dr. Seran retired from private practice to go into academics and teach in Las Vegas at the UNLV School of Dental Medicine Advanced Education in Orthodontics and Dentofacial Orthopedics. During his previous 10 years of teaching at UNLV School of Dental Medicine, five of those years were served as Program Director.

Throughout his orthodontic career, Dr. Seran has been on many different boards and associations, including:

  • Consultant, New Jersey State Board of Dentistry
  • General Chairman, Middle Atlantic Society of Orthodontists, Annual Session
  • Treasurer, Middle Atlantic Society of Orthodontists
  • President, New Jersey Association of Orthodontists
  • President Elect, New Jersey Association of Orthodontists
  • Vice President, New Jersey Association of Orthodontists
  • President, Southern Dental Society
  • Delegate, New Jersey Dental Association, House of Delegates
  • President-Elect, Southern Dental Society
  • Vice President, Southern Dental Society