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Robert "Bobby" Johnson, DMD, MD
DUO CO-FOUNDER
Dr. Robert Johnson is an oral and maxillofacial surgeon, physician, and dentist dedicated to advancing oral health through evidence-based science and sustainable innovation. He is the co-founder of Duo Toothpaste, a plastic-free, tablet toothpaste designed to be clinically effective and environmentally responsible.
Education and Clinical Practice
Dr. Johnson earned his Doctor of Dental Medicine (DMD) from Tufts University School of Dental Medicine, where he was inducted into the Robert R. Andrews Research Honor Society and Bates Research Society for his academic and research excellence. He went on to complete his Doctor of Medicine (MD) at the University of Washington School of Medicine, followed by a residency in Oral and Maxillofacial Surgery at the University of Washington and Harborview Medical Center. His clinical practice spans dentoalveolar surgery, pathology, trauma, reconstructive procedures, and anesthesia. He holds hospital privileges at Overlake Medical Center and he works with his father, also Dr. Robert Johnson, at Aesthetic Dental Associates and his wife, Dr. Stevie Roberts, at Dentiste. His family is well-established and highly respected in the dental community.
Research and Publications
Throughout his career, Dr. Johnson has been deeply engaged in clinical research and tissue engineering. He is a recipient of the Osteo Science Foundation Research Grant and Research Observership, and his work on osteomyelitis defects and bone regeneration has been recognized nationally. He has published multiple peer-reviewed studies, including in the Journal of Oral and Maxillofacial Surgery and the Journal of the Massachusetts Dental Society, with topics including surgical safety checklists, anesthesia safety, disease burden of odontogenic disease, and innovative non-operative treatments for medication-related osteonecrosis of the jaw.
Media Features
In addition to his clinical and academic achievements, Dr. Johnson is a frequent contributor to the professional dialogue around dentistry and entrepreneurship. His insights and work have been featured in Dentaltown, the Dentaltown Editorial Board, Orthotown, Dental Entrepreneur, and consumer-focused publications like My Dental Advocate. He and his wife, Dr. Roberts, have also shared their story on podcasts such as Heart to Hustle, Dr. Gallagher, and The Wahan Experiment.
Leadership
Dr. Johnson is also actively engaged in the profession’s leadership and innovation spaces. He serves as a delegate in the Washington State Dental Association’s House of Delegates and is profiled by the Tufts Derby Entrepreneurship Center. His work with Duo Toothpaste has been recognized by sustainability leaders such as Grove Collaborative.
Mission and Duo Story
Motivated by a desire to create oral care solutions that are both scientifically rigorous and environmentally responsible, Dr. Johnson and Dr. Roberts co-founded Duo Toothpaste. Their vision is to combine clinical expertise with sustainable design, offering patients and consumers a product that supports both oral health and the health of the planet. Find out more at duotoothpaste.com.
When he is not treating patients or leading innovation at Duo, Dr. Johnson is passionate about mentorship, community service, and advancing the future of dentistry. He has volunteered extensively, including providing dental care for the Navajo Nation at the Winslow Indian Healthcare Clinic.
Notable Contributions and Scientific Analysis
As an expert in tissue engineering including tooth remineralization with hydroxyapatite and fluoride, Dr. Johnson has made notable contributions in evaluating scientific articles and analysis of industry knowledge. Several such scientific article analysis posts authored by Dr. Johnson can be found here:
Fluoride Exposure and Children’s IQ Scores - A Systematic Review and Meta-Analysis
Association Between Maternal Fluoride Exposure During Pregnancy and IQ Scores in Offspring in Canada
Benign Shift in the Oral Flora Induced by Nano-Hydroxyapatite
The Potential of Hydroxyapatite Toothpaste to Prevent Root Caries: A pH-Cycling Study
Reducing Dentine Hypersensitivity with Nano-Hydroxyapatite Toothpaste
Fluoride Exposure and Cognitive Neurodevelopment: Systematic review and dose-response meta-analysis
