our mission

Our mission is to support dental professionals in maintaining the highest standard of patient care.

We strive to provide up-to-date education through evidence based science and technology in a stress free learning environment.

In our CE courses we embrace a team approach incorporating new research, science, skills and technology to help you and your team achieve clinical excellence and practice success.

heidi christopher, rdh, fwcli

Heidi is Dental Team Advancement's founder and Director of Education. She currently works as a clinical hygienist and has been using and researching soft-tissue lasers for 14 years. Heidi is an Associate Instructor for the World Clinical Laser Institute (WCLI) as well as provides technology and laser training through DTA. She has over 1000 hours of post graduate education with emphasis in periodontics and lasers. Heidi holds 7 laser certifications, associate fellowship and fellowships from World Clinical Laser Institute, Academy of Laser Dentistry, International Center for Laser Education and Advanced Laser Training. Heidi lectures, teaches, trains and consults throughout the United States and is a published author.


Sallie Johnson LaGrande RDA is currently working as a practice management consultant, providing technical team training and implementing advanced practice protocols. She has worked as Technology Advisor for Patterson Dental providing Eaglesoft demonstrations and training. Sallie offers Schick Digital Imaging training as well as instruction on other imaging software.

elizabeth marks, rdh

Liz has been a clinical hygienist for over 20 years, practicing in both Periodontal and General dental practices. Liz was instrumental in implementing Diode Laser Periodontal Therapies as the standard armamentarium in the Santa Barbara office where she has practiced for the past 10 years. She holds 2 Diode Laser certificates and has worked with Diode Lasers over the past 8 years. Through collaborations with her local medical community and her dental practice, Liz provides Laser Therapy and oral health laser education to cancer patients in need. Liz's enactment of new laser protocols has significantly raised production in her practice's hygiene department while dramatically improving patient care.

donna avakoff, rdh

Donna works as a full time clinical dental hygienist in the San Francisco Bay Area. Beginning 14 years ago she developed and implemented Periodontal Laser Therapies very successfully in both of her current practices. Donna's passion is mentoring other hygienists in developing personalized treatment strategies that improve overall health. In addition to her numerous Laser Trainings and Certifications she has Fortune Management and Hygiene Mastery Education. Donna has developed personalized courses to assist her colleagues in developing the confidence and skills required to achieve clinical excellence

holly torres, Rdh