Meet the NDX
IOS Clinical Training Specialists
Together, we will help you unlock your practice's growth potential.
We help you
reach your goals
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
CDA, RDA
IOS Clinical Training Specialist
Midwest Region
Brenda has served in dentistry for more than 25 years, is a Certified Dental Assistant (CDA) and a Registered Dental Assistant (RDA) and has served as an Adjunct Instructor at the University of Detroit Mercy School of Dentistry. Brenda has extensively trained in such areas as impression techniques (IOS and PVS), retraction cord placement, provisionals and photography.
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.




