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Meet Our Team

Staff photo with Pediatric Dentist in Denver, Lakewood and Wheat Ridge, CO

David Strange, DDS, MS

Dr. David Strange with Pediatric Dentist in Denver, Lakewood and Wheat Ridge, CODr. David Strange has lived in Colorado since 1977. He attended grade school and high school on the "west" side of town and graduated from the University of Colorado at Boulder. The foothills of Golden and the flatirons of Boulder are truly home to him. When he isn't in the offices playing with the children, a privilege he tries to convince the rest of us is actually work, you can find him on the slopes of Copper Mountain or at a crowded Folsom stadium watching his beloved Colorado Buffaloes.

Dr. Strange and his wife, Erin, live in Golden with their three children, Clara, Marshall and Sullivan. Clara loves to dance and ski; Marshall loves cars and hockey; and Sullivan loves to do everything his big brother and big sister do. The family is active in the children's schools, extracurricular activities and church.  They also love to travel as much as having three small children will allow.

Dr. Strange graduated from the University of Colorado at Boulder in 1994 with a BS degree in biology and the University of Colorado School of Dentistry in 1998 with the DDS degree. He then completed the Pediatric Dental Residency Program at Baylor College of Dentistry in Dallas, Texas where he earned the degree of Master of Science in 2000. His master's thesis was on the subject of "Primary Tooth Pulp Therapy."

Dr. Strange has very fond memories of going to work with his father, who was a strong influence in his life. Following in his father's footsteps to become a pediatric dentist was a natural decision for him. It was a decision on which he has never looked back. Dr. Strange joined the Pediatric Dental Group of Colorado in 2000 after completing his pediatric dental specialty training. He practices in the Lafayette and Wheat Ridge offices but is known to schedule himself in the Frisco office on Friday to conveniently turn that trip into a ski weekend.

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Justin Cathers, DDS

Dr. Justin Cathers with Pediatric Dentist in Denver, Lakewood and Wheat Ridge, CODr. Justin Cathers is a native of Colorado. After graduating Magna Cum Laude from Colorado State University with a B.S. in Biology, Dr. Cathers began his dental training at the University of Colorado Health Sciences Center in Denver. Upon completion of his DDS degree with honors in 2001, he continued on to receive his Master's Degree in pediatric dentistry from Baylor University in Dallas. While at Baylor, Dr. Cathers conducted a study comparing the effectiveness of various sedation methods for pediatric patients. His work was published in The Journal for the American of Pediatric Dentistry. Dr. Cathers worked at Texas Scottish Rite Hospital for Children, Children's Medical in Dallas, and Mesquite Community Hospital, serving the diverse dental needs of children with various conditions.

After his pediatric residency was completed, Dr. Cathers returned to Colorado where he practiced for the past five years, and recently served as the President of the Colorado Association of Pediatric Dentists. He enjoyed his time working for the Pediatric Dentist he went to growing up, and creating positive dental experiences for his patients. Dr. Cathers is a member of the American Academy of Pediatric Dentistry, the American Dental Association, the Colorado Association of Pediatric Dentists, the Southwestern Society of Pediatric Dentistry, and the New York State Dental Association.

Over the years, Dr. Cathers has spent time volunteering at health fairs and creating presentations for schools stressing the importance of early dental care. When not tending to the needs of his patients, Dr. Cathers enjoys spending time with his wife, Stephanie and two daughters, Trinity and Avery. As a family they enjoy skiing, hiking, and traveling.

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Ashley Killin, DMD, MS

Dr. Ashley Killin with Pediatric Dentist in Denver, Lakewood and Wheat Ridge, CODr. Ashley Killin is a native of Colorado, growing up on the Front Range (Colorado Springs and Centennial). She attended the University of San Diego, where she captained the school's women's lacrosse team and earned her bachelor's degree in Communications. After working as an orthodontic assistant for two years back in Colorado, she attended the University of Louisville School of Dentistry in Louisville, Kentucky, obtaining her doctor of medical dentistry degree. Following her dental school training she was accepted immediately into the pediatric specialty residency at Indiana University in Indianapolis, Indiana. She trained at the Riley Hospital for Children, one of the top children's hospitals in the nation. Dr. Killin's master's thesis was on the "Development of Subsequent Primary and Secondary Caries in Children Receiving Comprehensive Dental Treatment on Multiple Occasions Under General Anesthesia."

During her residency, Dr. Killin still managed to participate in dental mission trips to Mexico, where she performed dental work on Mayan children in the jungles of the Yucatan peninsula.

Dr. Killin is proud to be a member of the American Dental Association, the American Academy of Pediatric Dentistry and is Board Eligible by the American Board of Pediatric Dentistry.

Dr. Killin is thrilled to be back in Colorado with her family and friends and to have the opportunity to join the Pediatric Dental Group of Colorado. Dr. Killin understands her important role in establishing habits that will affect her patients throughout their lives and will enable them to be healthy and feel confident. She is inspired by the idea of making a trip to the dentist not just bearable, but fun!

In her spare time, she enjoys running, cheering on the Denver Broncos, spending time with her niece Cora, refereeing girls lacrosse, traveling, and skiing.

Malcolm Strange, DDS, MSD

Malcolm Strange, DDS, MSD - Pediatric Dentist in Denver, Lakewood and Wheat Ridge, COMalcolm Strange, DDS, MSD, moved his family from Texas to Colorado in 1977. He and his wife, Judy, raised two sons in Colorado. They have been active in their community and church for 35 years. They are both avid Denver Bronco and Colorado Avalanche fans and enjoy the Colorado lifestyle, spending many days skiing or snowmobiling with their family in the Summit County area. They now look forward to repeating their Colorado experiences through the eyes of their grandchildren.

Prior to entering the field of dentistry, he received a Bachelor of Science degree in Electrical Engineering at the University of Texas. Dr. Strange began his dental training at Baylor College of Dentistry where he received his DDS degree. This was followed by a two year pediatric dental residency at Children's Medical Center in Dallas, Texas where he earned his Master of Science degree. With these accomplishments completed, Dr. Strange began his career as a solo practitioner in Wheat Ridge and Evergreen, Colorado in 1977.

After beginning his pediatric dental career in Wheat Ridge and Evergreen, Dr. Strange established additional practices in Frisco in 1996; Lafayette in 2004; and Greeley in 2008. Dr. Malcolm Strange is the founding and senior member of the Pediatric Dental Group. He has the respect and admiration of his peers and of those he has influenced. He has passed his knowledge and passion for children's dentistry on to a multitude of dentists and specialists throughout Colorado and the country.

Dr. Strange is a Board Certified Pediatric Dentist and a Diplomate of the American Board of Pediatric Dentistry. Dr. Strange maintains memberships with the American Dental Association, American Academy of Pediatric Dentistry, Colorado Dental Association, Metropolitan Denver Dental Society, and Southwest Society of Pediatric Dentistry. He is an Associate Clinical Professor at the University of Colorado School of Dentistry where he serves as a preceptor on the Advanced Clinical Training and Service Program.

Dr. Strange primarily practices at the Wheat Ridge and Evergreen offices. He currently has staff privileges at Exempla Lutheran Medical Center and St. Anthony Summit Medical Center.

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Al Bishop DDS, MSD

Dr. Al Bishop with Pediatric Dentist in Denver, Lakewood and Wheat Ridge, CODr. Bishop loves being an orthodontist and has been practicing orthodontics for almost thirty years. His areas of specialization in orthodontics include early childhood growth and development, orthognathic surgery, TMJ therapy, and multi-disciplinary treatment for adults and children.

Naturally artistic and creative, Dr. Bishop was drawn to a combination of art and science. Early in his education he set his sights on orthodontics where his sculpture would be the human form. He prefers classic beauty rather than over-styled trends. Attention to detail and preservation of each patient's uniqueness are the hallmarks of his artistic philosophy.

Dr. Bishop is a native of Lampasas, Texas, and was the president of his high school. He did his undergraduate work at Texas A&M University. While attending A&M he was in the Corp of Cadets and vice-president of the premedical and predental society. Dr. Bishop received his DDS degree at the Baylor College of Dentistry where he was also vice-president of his class. After graduation from dental school, Dr. Bishop studied orthodontics at the Baylor College of Dentistry, one of the leading orthodontic training programs in the world. Giving his very gifted father credit, an outstanding surgeon and physician himself, Dr. Bishop was one of the youngest graduates in orthodontics in the United States.

Upon graduation, Dr. Bishop did an internship with one of the most outstanding orthodontists in the United States. He was recruited by U.T. Southwestern Medical School to be a member of the world renowned Cleft Palate and Craniofacial Team. Through this association, Dr. Bishop became a colleague of the renowned Dr. Larry Wolford. Dr. Wolford is recognized as one of the most outstanding oral surgeons in the world. The two of them have treated one of the largest number of orthodontic/orthognathic surgery cases in the country. Dr. Bishop has been responsible for the orthodontic training of orthodontists on a local and national level and is recognized nationally as a specialist in orthodontics.

Dr. Bishop has been recognized as one of the best orthodontists in the United States. He has participated as a research doctor for several orthodontic manufacturing companies. He is a graduate of the F.A.C.E. foundation, one of the most distinguished orthodontic institutes in the United States. Dr. Bishop has been asked to speak to over 20 professional groups around the world regarding the field of orthodontics over the past twenty years.

Dr. Bishop has had many articles published, the most recent being "An Esthetic and Removable Orthodontic Treatment Option for Patients; Invisalign" which he co-authored with Dr. Mitra Derakhshan published in the Journal of the American Dental Assistants Association in the September/October 2002 issue.

Dr. Bishop believes in family first and feels his greatest blessing is his lovely wife of over 30 years, Shirlene. She grew up on a ranch near Austin, Texas and has a bachelor's degree in education and master's degree in counseling. Dr. Bishop loves the outdoors and stays active participating in skiing, biking, hiking, church and of course, his family.

The Bishops have two children, Allyson and Ryan. Allyson graduated from Texas A&M and third in her class from the University of Houston Law School. Her husband, Reagan Winslow, is an estate planning attorney and they reside in San Antonio, Texas. Presently, Allyson is pursing a nursing degree.

Ryan graduated from Texas A&M and served as head yell leader for the Aggies. He is employed as a Senior Associate for Stream Realty in Houston, Texas. His wife, Annette, is a physical therapist and specializes in spinal cord injury rehabilitation. They are volunteers for Young Life in the Houston area.

To find out more information about Dr. Bishop visit www.bishoporthodontics.com

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Paul Regan, DMD

Dr. Paul Regan with Pediatric Dentist in Denver, Lakewood and Wheat Ridge, CODr. Regan has been setting the highest standards of excellence in orthodontics for over 20 years! A graduate of the University of Connecticut School of Dental Medicine, Dr. Regan completed a general practice residency at Tufts University and practiced dentistry for seven years before specializing and earning his certification in orthodontics at the Eastman Dental Center at the University of Rochester.

An esteemed member of the orthodontic community, Dr. Regan is a member of many leading dental organizations, including the:

Dr. Regan and his wife, Marge, a former PTA president, have lived in Evergreen since 1990 and have raised three daughters here. He is a member of Christ the King Catholic Church, and supports many local groups and sports teams. In his spare time, he enjoys the beauty of Colorado - fly fishing, hiking, excercising, and working outdoors.

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Robert Craig, DDS, MS

Dr. Robert Craig with Pediatric Dentist in Denver, Lakewood and Wheat Ridge, CODr. Craig was born in Garden City, Kansas. He is a graduate of Washburn University in Topeka. After a brief tour in the U.S. Navy as a dental technician, Dr. Craig attended dental school at the University of Missouri/Kansas City, where he received his Doctor of Dental Surgery degree with honors in 1980. Following graduation, he entered military service in the U.S. Air Force as a general dentist.

After several years of practice in the Air Force, Dr. Craig was selected by the Air Force to pursue graduate studies in the specialty of Orthodontics. He attended Baylor College of Dentistry in Dallas, Texas, and earned a Master's Degree and Certificate in Orthodontics in 1995. Following his graduation, Dr. Craig returned to military life as a staff orthodontist at Travis AFB in California. During his tour, he was a support instructor for the Oral and Maxillofacial Surgery residency at David Grant Medical Center and was a training officer in orthodontics for the Advanced Education in General Dentistry residency. 

Dr. Craig is a member of several professional organizations including: Phi Kappa Phi Honor Society, Omicron Kappa Upsilon Honor Society, American Association of Orthodontists, Rocky Mountain Society of Orthodontists, American Dental Association, and the Colorado Dental Association.

Dr. Craig is married and has two sons. He enjoys hiking, fishing, traveling, and spending time with his family. He has been in private practice in Colorado since 1995. He is excited about offering personalized, comprehensive orthodontic care with an experienced, caring staff.

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Staff photo with Pediatric Dentist in Denver, Lakewood and Wheat Ridge, CO

Our Staff

It can accurately be said that the heart and soul of the Pediatric Dental Group is the experienced, caring and hard working staff of forty dental team members. The Pediatric Dental Group currently has five licensed dental hygienists, five office managers, 18 dental assistants and 12 front office personnel. Most of the Pediatric Dental Group employees have been with the company for longer than 15 years.

It can accurately be said that this is a group of committed and loyal dental team members who possess the compassion, skill and dedication to make the entire dental experience at the Pediatric Dental Group "Best in Class."

The staff at the Pediatric Dental Group is committed to providing the best possible dental care available to children in a loving and caring way. Most of the staff in the offices have children of their own and understand that children need to be encouraged and parents need to be reassured during the dental visit. They have been in the very same shoes as the parents who bring their children to see us at the Pediatric Dental Group. It is this perspective that we keep at the center of every decision we make. Our commitment to you is that we will treat you and your children the very same way we would want to be treated.

"Do unto others as you would have them do unto you"
 (Luke 6:31 NIV)