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About Us

Headquartered in Colorado Springs, Colorado, Grant Dental Technology Corporation designs, develops, and produces the Proximerge dental implant and associated surgical and restorative instruments. GDTC is commited to innovative, quality products and superior customer service to surgeons, general dentists, hygienists, and laboratories.

GDTC also enjoys close collaborations with world renowned dental schools and is closely aligned with top clinicians, scientists, engineers, and industry leaders. It is our intent to become the implant company of choice for dental professionals everywhere.

Key Advisors

Dr. Eugene Keller

Diplomate, American Board of Oral and Maxillofacial Surgery
Professor of Surgery, Mayo Clinic

Mac Perry, CDT & Mike Young, CDT

Owners of Perry&Young Dental Lab (Colorado)
Members of TEREC national lab association

Don Albensi, CDT

CEO of Albensi Dental Lab (Pennsylvania)
Member, Dental Manufacturers Marketing Association

Dr. Mike Wilcox

Founder/Chief Scientist, Aqueous Biomedical
PhD BioPhysics, Purdue University

Dr. Paul Burgio

Distinguished 25 year R&D career with 3M
PhD Medical Research, Univ of Michigan

Dr. Lonnie Johnson

Chair, Department of Periodontics at Colorado University
DDS and PhD from Washington School of Dentistry

Dr. Wayne Simmons

Prosthodontist; placed/restored over 4000 implants; patent holder
Diplomate, American Board of Oral Implantology and Implant Dentistry


Duncan Stewart, President/CEO

- Chairman (Former CEO), Colorado Springs Technology Incubator
- Founder/Chairman, Aqueous Biomedical, Inc. (glaucoma shunts)

Tim Cullen VP/Operations

- Bus Development, Cylume Inc.
- Prog Mgr, Combat Training Inc.
- Pharmaceutical Sales, Eli Lilly

Jim Grant, DDS, VP/Professional Relations

- General Dentistry 36 years; “Top Dentists in Colorado” list 2010, 2011
- 3M Speakers Bureau, Digital Dentistry

Phil Woodhouse UK Sales Manager

-National Sales, Bredent Medical
- Territory Manager, Nobel Biocare
- Professional Relations, Triodent

Brad Renehan, DDS, MD, VP/Chief Surgical Advisor

- Board Certified Oral and Maxillofacial Surgeon
- Mayo Clinic residency

Carrie Britton Hetrick, DDS, VP/Regulatory Affairs

-Quality/Regulatory Affairs: Medtronic, Kestral Labs, DENTSPLY, Lanx
- Sales & Marketing, TMJ Implants

Bill Miller, Director

- Founder, StorageNetworks (IPO, 2000)
- Founder/Managing Partner, PV Strategies (hedge fund) & PV Ventures (venture fund)

Chris Odell, Chairman

- CEO, Lamina Systems Inc.
- Chairman/President, Fluke Networks
- Co-Founder/President, Forte Networks
- R&D/Product Manager, HP
- BS Elec Eng, Ca-Poly SLO


Surgical Kit


Final Abutment Kit


Tissue Forming Abutment Kit
Grant Dental Technology Corporation® Privacy - Disclaimer - SiteMap The Proximerge product has CE Mark certification for Europe but is not yet approved by any other regulatory agency, including the U.S. FDA. The product is currently only available for sale in the U.K.
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