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.
Unique learning paths
Highly engaging courses
Customizable experience

BRITTANY CAREY, RDH

IOS Clinical Training Specialist
Western Region

Brittany is a Registered Dental Hygienist with clinical experience working within the areas of Periodontics, Pedodontics and General Dentistry. She joins us with an intraoral scanner training background, having collaborated with colleagues at Align Technology to target and train DSOs and private dental practices. Brittany has a passion for training and education; the ultimate goal being to create success for every dental team member. Brittany resides in Phoenix, Arizona.

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.