899 Highway 287
Suite 100
Broomfield, CO 80020
(303) 469-6375
11178 N.Huron Street
Suite 100
Northglenn, CO 80234
(303) 457-9617

All our professionals at Colorado Gum Care maintain the highest levels of accreditation to include being board certified in the practice of periodontics and the placement of dental implants.  In addition they continue to pursue ongoing education to stay abreast of the latest trends in periodontics and implants.


Mark A. Wheeler, DMD

    Dr. Mark A. Wheeler graduated from Wake Forest University before attending Fairleigh Dickinson University School of Dentistry. After completing his specialty training in Periodontics, Dr. Wheeler served four years in the United States Army in Landstuhl, Germany.  

    Dr. Wheeler is a Diplomate of the American Board of Periodontology.  Dr. Wheeler is a member of the American Dental Association, Colorado Dental Association, American Academy of Periodontology, World Clinical Laser Institute and the International Team for Implantology.  Dr. Wheeler has been selected by 5280 Magazine as a Top Periodontist in Denver every year from 2009 to 2015.  

    Dr. Wheeler founded Colorado Gum Care in 1986.  Dr. Wheeler and his wife, Mary, have lived in Denver for 25 years. They have two daughters. In their free time Dr. Wheeler and his wife enjoy golf and traveling.



Matthew A. Johanson, DMD, MS

    Dr. Matthew A. Johanson received his Bachelor's Degree in Biochemistry magna cum laude from Middlebury College and received his dental education at the University of Connecticut School of Dental Medicine. 

    During his dental education at UCDM, Dr. Johanson was the recipient of the Opinsky Scholarship for academic achievement, the Listerine Award of Excellence for outstanding research relating to Periodontology, and the AAP Dental Student Award for achievement in Periodontology.    Dr. Johanson completed his specialty training and received his Master's Degree in Periodontics from the University of Texas Health Science Center at San Antonio.  

    Dr. Johanson is a Diplomate of the American Board of Periodontology.  Dr. Johanson has been selected by 5280 Magazine as a Top Periodontist in Denver in both 2014 and 2015.  Dr. Johanson’s practice involves the full spectrum of periodontal therapy, dental implants, and IV sedation.   In his free time, he enjoys skiing, biking, and running with his yellow lab, Tucker.   Dr. Johanson lives in Denver with his wife Heidi, a physician at The Children's Hospital.

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Tyler D. Borg, DDS, MS

    Dr. Tyler D. Borg, a Westminster native, graduated from Xavier University before attending the University of Colorado School of Dental Medicine where he served as Class and Student Body President.  While at The University of Colorado, Dr. Borg was awarded the American Academy of Periodontology Award, The American Academy of Implant Dentistry Award, The Academy of Osseointegration Award, The Colorado Dental Association Student Excellence Award, and completed research on Dental Implants. 

    Dr. Borg completed his specialty training in Periodontics at The University of Texas Health Science Center at San Antonio and received a Master’s Degree in Dental Science.  While at The University of Texas Dr. Borg conducted clinical research in bone grafting and dental implants.  Dr. Borg is the recipient of the John F. Prichard Award for excellence in clinical research from the Southwest Society of Periodontists as well as the Kenneth D. Rudd award for completion of over 100 hours of continuing education annually. 

    Dr. Borg is trained in IV Sedation, Dental Implants, Periodontal Plastic Surgery, Advanced Bone Grafting, Full Mouth Rehabilitation, Dental Laser Therapy, as well as Periodontal Disease Treatment.  Dr. Borg lives in Westminster with his wife Jenna and enjoys the famous Colorado outdoors.