Meet the NDX
IOS Clinical Training Specialists

We are proud to present some of the most digitally savvy trainers in the industry.
     Together, we will help you unlock your practice's growth potential.



We help you
reach your goals 

NDX is committed to guiding clinicians through every phase of digital adoption. Through complimentary in‑person and virtual IOS training, we equip practices with practical skills and tailored support that drive efficiency, productivity and long‑term digital success.
Customizable experience

BRITTANY CAREY

IOS Clinical Training Specialist
Western Region

Brittany Carey is a proficient IOS Clinical Training Specialist with nearly a decade of experience as a Registered Dental Hygienist and a strong background in digital dentistry. She specializes in intraoral scanning workflows, clinician education, and technology adoption, supporting dental teams in restorative, implant, orthodontic, and removable treatment workflows. Brittany has extensive experience with leading scanner platforms, including DEXIS, TRIOS, iTero, Primescan, Medit, Planmeca, and Shining 3D. Known for her problem-solving mindset, she is passionate about helping clinicians optimize digital workflows, improve efficiency, and successfully integrate digital technologies into everyday practice.

BRENDA KIRKEN, 
CDA, RDA

IOS Clinical Training Specialist
Midwest Region

Brenda has more than 30 years of experience in dentistry, with a background spanning clinical assisting, education and digital dentistry integration. Before joining NDX, she served as an Adjunct Instructor at the University of Detroit Mercy School of Dentistry, teaching technology integration, intraoral scanning and clinical workflows to students across all levels. She has trained dental teams throughout the U.S. and Canada in impression techniques, retraction, provisionals, photography and clear aligner attachment procedures. Brenda has completed over 3,500 hours of continuing education, holds multiple professional certifications and continues to assist chairside through a military dental contractor.

KELLI LIPTHROTT, RDH, BAS

IOS Clinical Training Specialist
Southeast Region

Kelli Lipthrott is a seasoned dental professional with more than 30 years of clinical, managerial and training experience. She began her career as a Dental Assistant and Hygienist before moving into practice management and later earning degrees in Dental Management and Supervision. Kelli has held influential roles in consulting, compliance, coaching and multi‑practice integration. She joined National Dentex in 2020, returning in 2023 as both an Intraoral Scanner Trainer and Territory Sales Manager. In 2026, she transitioned into her current role as a Clinical Field Specialist, where she supports digital adoption and provides advanced intraoral scanner training.

ROBERT KUHL, DMD

IOS Clinical Training Specialist
Midwest Region

Robert W. Kuhl, D.M.D. is a dental professional, trainer, and consultant with nearly 40 years of experience spanning clinical dentistry, dental technology, teaching, and workforce development. Following nearly two decades in private practice, he transitioned into leadership, consulting, and training roles across the dental industry, while also gaining valuable classroom teaching experience. Throughout his career, Kuhl has supported dental professionals through instruction and mentorship in implant dentistry, digital dentistry, and restorative procedures, helping them expand their skills and confidence in new technologies and techniques.

CHRISTY R. SARTOR, DAII, RDA, DA

IOS Clinical Training Specialist
South Region

Christy Rose Sartor is the Clinical Training Specialist for National Dentex Labs (NDX), bringing 13 years of diverse dental industry experience to her role. Originally from North Carolina, her journey as a military spouse has allowed her to successfully adapt her clinical expertise across multiple states, serving as a DAII in North Carolina, an RDA in Texas, and a DA in Mississippi.  She brings this rich adaptability to her training initiatives to support clinical excellence.  In her free time Christy enjoys spending quality time with my family, traveling to sunny beaches, and hanging out with my two beloved dachshunds.