Meet the Doctors

Dr. Joshua Papac


Dr. Joshua Papac was born and raised here in Washington State. He grew up in the small town of Montesano, WA on the Olympic Peninsula where he developed a love for the outdoors and everything the great northwest has to offer. He is a proud Husky, earning both his bachelor's degree and Doctor of Dental Surgery degree from the University of Washington in 2009.  


Dr. Josh has attended countless hours of continuing education courses and is a member of the American Dental Association, the Washington State Dental Association, the Seattle-King County Dental Society, and the American Academy of Clear Aligners. Dr. Josh is highly trained in the latest technologies including modern aesthetic techniques, CAD/CAM dentistry, 3-D imaging, implant restoration, and comprehensive rehabilitation. He has also been invited to mentor multiple CEREC CAD/CAM events to help other doctors become familiar with the technology. Even with all of the exciting technology in the office Dr. Josh says the best part of his day is the interaction with his patients.  


Dr. Josh met Dr. Lindsey in dental school and they married shortly after graduation. Together they have two boys. When they are not in the office you may find them skiing Crystal mountain, taking their two boys to Montana or watching the Husky and Seahawks football games.


Dr. Josh and Dr. Lindsey also have a passion for dental access to care issues. They are very involved with the Washington State Dental Association and speak with legislators in Olympia about these issues regularly. They have even visited Washington, DC to meet with federal legislators and senators. Dr. Josh and Dr. Lindsey were featured in the Washington State Dental Association News twice for their activism.

Joshua Papac, DDS

Dr. Lindsey Papac


Dr. Lindsey Papac has had a strong desire to help those in need since she was very young. A dental mission trip to Mexico solidified her decision to make a career out of dentistry. Following graduation from dental school in 2009, Dr. Lindsey spent seven years providing dental care in the greater Seattle area. In November 2016, she joined her husband at Great Northwest Dental and together they are excited to serve the Auburn and Lake Tapps community.  


Dr. Lindsey has found a passion in correcting malocclusion with the use of clear aligners. She has been a Board Member of the American Academy of Clear Aligners (AACA) since 2018. As a Board Member, much of her expertise is used to train and guide other general practitioners in Invisalign® and other forms of clear aligner therapy. She also leads a local Invisalign® Study Group.


Dr. Lindsey is committed to continuing education and takes many advanced courses each year to enhance her skills to better serve the dental care needs of her patients and provide them with a gentle and comfortable dental experience. She specializes in digital dentistry and has been using CAD/CAM technology since 2009. She has countless hours of experience with both CEREC and iTero digital scanners.


Dr Lindsey's Invisalign® Credential list:

  • American Academy of Clear Aligners Fellow, one of 23 dentists Internationally
  • American Academy of Clear Aligners Board Member 2018
  • American Academy of Clear Aligners Board Member 2019
  • American Academy of Clear Aligners Board Member 2020
  • American Academy of Clear Aligners Board Member 2021
  • Inaugural Graduate of Invisalign Diamond Club Course
  • Advanced Invisalign® Training in both U.S. and Costa Rica Invisalign® Training Centers
  • One of the top Dentist Invisalign® Providers in Washington State
  • Diamond Invisalign® Provider Status
  • International Invisalign® Consultant for General Dentists
  • American Academy of Clear Aligners Seattle Study Club Chair
  • International Mentorship on Invisalign® for the American Academy of Clear aligners
  • Top Google Rated Dentist in Auburn, WA 
  • 5-Star rating on Google
Lindsey Papac, DDS

Dr. Nikolaas Reyna


Dr. Niko provides an excellent experience by focusing on the whole person, taking extra care to learn as much as he can about each patient he meets. A local resident himself, Dr. Niko was born and raised in Puyallup, Washington. There, he graduated from Emerald Ridge High School before going on to complete his biochemistry studies at the University of Washington.  


During his last summer of dental school, Dr. Niko spent his time participating in multiple oral surgery externships across the country to hone his skills. Committed to learning as much as he could, each externship allowed him the opportunity to work side-by-side with Oral Surgery residents during on-call trauma cases. Additionally, Dr. Niko spent much of his spare time throughout dental school in One World Dental Clinics where he was able to provide dental care to underprivileged patients who would have not been able to afford it otherwise. 


Dr. Niko is empathetic, diligent, and passionate about Oral Surgery, making him a fantastic addition to the Great Northwest Dental Team. He received his Doctor of Dental Surgery (D.D.S.) from Creighton University in Omaha, Nebraska and enjoys spending his free time with his wife, Kimmie, and their two sons, Kaiden and Oliver.

Dr. Portia Cao


Dr. Portia Cao, originally from Salt Lake City, UT, embarked on her educational journey in Seattle. She pursued a bachelor's degree in Biochemistry at the University of Washington (Go Dawgs!) before transferring to Regis University in Denver, CO. At Regis, she delved into dental research and obtained a master's degree in biomedical science. Driven by her passion for dentistry, she returned to the University of Washington to earn her Doctor of Dental Surgery degree.

 

To further enhance her dental expertise, Dr. Cao sought additional training at the University of Utah Hospital in her home state, where she completed a General Practice Residency. During this residency program, she honed her skills in interprofessional care, collaborating closely with other dental professionals. Her dedication extended to treating patients from diverse backgrounds, including those with trauma, special needs, and complex medical histories. Dr. Cao's experience and proficiency in these areas became evident during her time in the residency program.

 

Dr. Portia is driven by her passion for patient-centric comprehensive care, evidence-based dentistry, advocacy, and outreach within the dental field. Above all, she treasures honest communication and consistently goes the extra mile to ensure her patients receive exceptional care.

 

When she's not working in the office, Dr. Portia indulges in a plethora of outdoor activities, including hiking, camping, and skiing. Additionally, she possesses a deep appreciation for all things food-related and eagerly welcomes any recommendations for delicious dining experiences.

Lindsey Papac, DDS

Dr. Amanda Cronkhite


Dr. Amanda Cronkhite was born and raised in Vancouver, Canada (eh)! She earned her bachelor’s degree from Queen’s University in Ontario and her dental degree from Temple University in Philadelphia. She recently completed a General Practice Residency year at the University of Utah Hospital with Dr. Portia where they gained comprehensive knowledge and skill on a wide range of advanced procedures as well as how to treat medically complex patients.


Having a mother who is a dentist, many dinner-time conversations revolved around oral health. What Dr. Amanda enjoys most about the profession is the daily interaction with patients and the ability to provide pain relief, restore function, and help reach aesthetic goals. Her focus and approach to treatment includes preventative intervention and patient care and comfort. 


She is experienced and enjoys all aspects of dentistry. Being a believer in life-long learning, she plans to further her education in full rehabilitation crown and bridge work, implantology, and Invisalign.


Outside of the clinic she enjoys the outdoors – hiking in the summer, skiing in the winter. She also commits her time to running, drawing, and has more recently begun learning guitar. She values time spent with family and friends and her diverse background of Japanese and British heritage.

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