Joy Raskie, RDH

Director, Advanced Dental Hygiene

As the director of Advanced Dental Hygiene, Joy believes in a more hands-on and integrative approach with her continuing education courses. She lectures, conducts laser training courses and does in-office laser consulting. For the past 15 years, she has been practicing as a clinical hygienist in and around Denver, Colorado.  For over 12 years, Joy was head of the Dental Hygiene/Periodontal program, where she successfully implemented lasers into the hygiene program. Her passion for lasers has led her to obtain Fellowship Certification and 2 Associate Fellowship Certifications for the Diode laser through the World Clinical Laser Institute (WCLI). She is a member of the Academy of Laser Dentistry (ALD) where she obtained one of the highest degrees in laser dentistry, an Advanced Proficiency in dental lasers. She is among an elite group of 20 RDH’s who holds this certification worldwide. Joy is a member of the American Dental Hygienists’ Association and Colorado Dental Hygienists’ Association. Joy is deeply passionate about teaching and integrating her audience to make learning more fun. Her goal is to help everyone feel confident and ready to succeed after leaving her courses.

Joy is married with a beautiful daughter and two Akita pups. She enjoys spending time with family, traveling, reading, cycling, swimming and practicing yoga in her spare time.


Dr. Mel A. Burchman DDS MALD


Dr. Burchman has maintained a general dentistry practice in Bucks County, Pennsylvania since 1976. He began using lasers in 1999 and now has eight lasers in his practice.  Dr Burchman is extremely passionate about lasers and speaks both nationally and internationally. He is currently the president of the Academy of Laser Dentistry (ALD), chairman for the 2019 Academy conference, a certified instructor through the ALD, and has both a Mastership and an Advanced Proficiency from the ALD.  He has received numerous awards such as, “The Science Behind the Clinic of Laser Dentistry” award for his presentation on, “Nd:YAG and Diode Laser Therapy in the Medically Compromised Patient”, and the Leon Goldman award in clinical laser excellence from the ALD. Dr. Burchman is an expert and well versed in laser dentistry and photobiomodulation. He has been well documented in numerous trade publications such as Men’s Health Magazine in an article titled, “The Drill Is Gone”, and multiple times in the laser academy’s journal, “Wavelengths”, on “Lasers in the Medically Compromised Patient.” Dr. Burchman was the Keynote Speaker at the OCMIS Laser Conference, General and Scientific Chairman of the ALD conference, and the Co-Program Chair of the ASLMS conference.  Most recently he had the honor to testify before a Congressional Subcommittee on, “Using Dental Lasers to Help Control Opioid Abuse”.
Dr. Burchman’s goal in all of his courses is for the student to walk away feeling comfortable and confident to incorporate lasers into their practice first thing Monday morning. He loves sharing his laser knowledge to help make everyone a “Laser Dentist!”
Previously Dr Burchman has lectured for: Sirona Dental, Benco Dental and Henry Schein Dental.

Dr Burchman enjoys skiing, scuba diving, biking, working out, reading and traveling in his spare time.

TDA Headshot Photo

Dr. John Drisdale DMD


Dr. John Drisdale is a general dentist who works in private practice 20 miles South of Austin in San Marcos, Texas. He graduated from the University of Pittsburgh School of Dental Medicine. Dr. Drisdale has an advanced laser certification and actively uses the diode and Erbium YAG laser daily. He is a published author for his TMJ research in the “International Journal of Dentistry”. Dr. Drisdale holds a permit for and practices sedation dentistry. He is very active in continuing education and averages over 120 CE hours per year. Dr. Drisdale is actively training with The Peter Dawson Academy and is giving a lecture to a group of dentists on Removable Partial Dentures later this year. He is a member of the Seattle Study Club and TAGD Master Track. Dr. Drisdale is a member of ADA (American Dental Association), AGD (Academy of General Dentistry), and the Delta Sigma Delta Alumni (national dental fraternity).

Dr. Drisdale is married to his beautiful wife Monica and has a rescued Boston Terrier named Waffles. He loves traveling to the beach, grilling and smoking BBQ, and going out on his boat on Lake Travis (Austin, Texas).


Heather Gill, RDH


Heather has been in dentistry over 20 years and using lasers daily for the past 10 years. She currently is a full-time dental hygienist in Lakewood, Colorado. Heather joined the Academy of Laser Dentistry (ALD) in 2009 where she obtained her Standard Proficiency in Dental Lasers. In 2015 she achieved one of the highest degrees in laser dentistry, an Advanced Proficiency in the Diode Laser. Heather currently sits on the Board of Directors as the Auxiliary Chair for the ALD and has been on the hygiene discussion panel for the past 5 years.  Since the introduction of the laser into daily patient care, she has noticed less need to repeat periodontal therapy. Not only does Heather specialize in treating periodontal disease with the laser but she also has taught courses and specializes in implant care utilizing the diode laser to treat Peri-implant mucositis. Heather has extensive training with Fortune Management and Hygiene Mastery. She is a member of the American Dental Hygienist Association (ADHA) and an auxiliary member of the International Congress of Oral Implantologists (ICOI). Heather’s passion lies in taking the very best care of her patients through constant and never-ending improvement. She tries to accomplish this by bringing the most up-to-date technology and knowledge to her patients every day.

Heather enjoys spending time with her son, skiing, running, traveling, and some martial arts. She is also currently relearning how to play her flute.


Cassandra Coopmans, RDH


Cassandra is a full time clinical hygienist in Aurora, Colorado with a focus on high-anxiety patients and sedation dentistry. She started her career in corporate dentistry and then five years ago moved on to private practice, where she received extensive training in patient communication and treatment planning skills, at which point she took her first step into laser dentistry with a training class on the diode and WaterLase. Encouraged by the positive results witnessed in clinical practice both on the hygiene and doctor’s side, Cassandra became an advocate for laser use. Most recently, she instructed a dentist friend of hers on the benefits of gingival troughing instead of cord packing for crown preps and while visiting Montana she showed a laser dentist how to use his Biolase to treat cold sores and aphthous ulcers! Cassandra has a love for learning and teaching others. Her senior year of hygiene school she was selected to be the tutor for the entire Hygiene Program, graduating with a Presidential Leadership Award and Colgate Professionalism Award. Cassandra has helped her entire office with implementing lasers on all levels and instructs all new hygienists on how to get optimum results using the laser in perio. She instructs laser courses nationwide and specializes in working with the entire team/office incorporating lasers.

In her free time Cassandra enjoys watercolor painting, cooking, visiting her family in Montana, and dreaming about Colorado implementing a dental therapist level provider so she can implement the use of hard tissue lasers as well!


Linda A. Hirce, RDH


Linda has over 40 years of oral care experience as a registered dental hygienist, an educator, dental resource for marketing firms, consumer web sites and study club coordinator. Linda is an instructor for Advanced Dental Hygiene with a specialty in fighting periodontal disease with laser as well as communication skills with patients. She holds multiple laser certifications and has been mastering and using lasers for the past 10 years. For many years she worked in an implant-periodontal office and more recently for a general dentist who incorporated lasers into her practice. Linda was part of a task force within the Colorado Dental Board that was charged with amending and defining the rules & regulations for laser use by Colorado state dental professionals. Currently Linda is a member of the American Dental Hygienists’ Association (ADHA), Colorado Dental Hygienists’ Association (CODHA-Boulder component). She has received many awards over the past 40 years for her various outstanding community outreach programs; sat on the CODHA board throughout the years as President, Vice President and Treasurer; was a Colorado State Delegate to ADHA; featured in “Access” magazine, was a speaker for the Seattle Study Club, attended the Pankey Institute  and helped develop the Jersey Coast Dental Forum.

Linda enjoys hiking with friends on the local mountain trails and leading senior volunteers in a charity knitting group.

Andrea 2019

Andrea Tresner, RDH, BSDH, CDA


Andrea has been in the dental field for 18 years and using lasers for the past 5 years. She has worked in all facets of dentistry from Public Health to Corporate to Private practice and now currently teaches dental hygiene full time in Kansas City, MO. While in private practice, Andrea incorporated lasers into her periodontal program and was very impressed with the positive results she saw firsthand. Andrea holds multiple laser certifications for the diode laser and has spent over 200 hours studying and researching dental lasers.  Andrea started her dental career as a dental assistant and then taught in a dental assisting school. Since becoming a laser hygienist, she has studied and mentored under a couple different laser dentists being able to see the differences of scalpel use and laser use. Andrea is an instructor for Advanced Dental Hygiene. She has a true passion for teaching and makes sure everyone leaving her courses feels comfortable and confident to incorporate lasers into their everyday practice.

In her spare time Andrea likes to travel, and hike. She especially likes to hike in the Southwest. Her bucket list includes hiking in every state in the US with her husband. She also enjoys traveling abroad and participating in Dental Mission Trips.


Ally Parks, RDH


Ally works in Dallas, Texas as a full-time clinical hygienist. Always passionate for helping others, she obtained her Dental Hygiene Degree in 2014. From her first day as a Registered Dental Hygienist, she sought new ways to improve the health and lives of her peers. Ally worked with operations such as Dentistry from the Heart and Texas Mission of Mercy, all with the intent to give back to local communities. Ally holds a Standard Proficiency in Dental lasers; she is a member of the American Dental Hygiene Association and the Texas Dental Hygienist Association.

In her free time, Ally hikes around Texas and spoils her Australian Shepherd, Jax, with frequent trips to local lakes.


Amanda Ledford, RDH


Amanda is a full time clinical hygienist in Sherman, Texas. She holds an Associates of Applied Science Dental Hygiene degree as well as a Standard Proficiency in the Diode Laser. Amanda has been in the dentistry field for 8 years and prides herself on staying up to date on the ever-changing standard of care for her patients.

In her free time, she enjoys spending time with her husband and their son and visiting her parents farm.


Justine Kluesner, RDH

Hands-on Instructor

Justine is a full time clinical hygienist in Kansas City, Missouri. Her passion for learning and patient care lead her to the diode laser. Justine understands the bacterial role, the destruction caused by the immune response and the advanced technologies needed to improve the tissue. Justine is a big advocate for the diode laser. She has seen a positive result in her periodontal program after implementing laser hygiene on a daily basis. Justine is a passionate hygienist who likes to increase the standard of care and oral health for all of her patients. She is excited to share her knowledge about lasers and help other dental professionals incorporate lasers into their daily practice. Justine is a member of the Missouri Dental Hygienist Association and is the Kansas City rep for the membership committee. 

Justine enjoys hiking, reading, and spending time with family.


Katie Stager, RDH

Hands-on Instructor

Katie is a clinical hygienist in Lone Tree, CO and holds a BS in Chemistry and BS in Dental Hygiene. Katie has been in dentistry 14 years; is head of the Hygiene Department for 3 offices (thus far); manages 9 hygienists and still practices patient care 2 days a week as a clinical hygienist. Katie has been using lasers for over 9 years and is responsible for training many RDH’s in regards to standard of care and incorporating lasers into their practice. Katie specializes in developing more productive hygiene departments and is an expert in coding, production and verbal skills not only with patients but as a manager of multiple offices/staff members.

Katie is married with 2 young daughters. She enjoys traveling and seeing the world; as well as spinning and working out.

Advanced Dental Hygiene is designated as an Approved PACE Program Provider by the Academy of General Dentistry. The formal continuing education programs of this program provider are accepted by AGD for Fellowship, Mastership, and membership maintenance credit. Approval does not imply acceptance by the state or provincial board of dentistry or AGD endorsement. The current term of approval extends from 1/1/2018 to 12/31/2019. Provider ID# 381332