Date: Thursday October 2nd, 2025
Time: 8 pm EST / 6 pm MST / 5 pm PST
Patients suffering with mental illness present opportunities to educate on strategies for comprehensive oral care. Individuals with conditions such as anxiety, depression, eating disorders, schizophrenia, and bipolar disorder may experience difficulties maintaining oral hygiene due to cognitive impairment, medication side effects, and/or behavioural barriers.
It is important that dental health professionals improve their knowledge and understanding of this often complex yet “silent” aspect of a patient's medical history. Dental practitioners must learn strategies to navigate scenarios such as patient reluctance/non-compliance, complex medical histories, and the need for tailored communication strategies. In addition, mental health disorders often result in greater difficulty accessing much needed dental care.
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Learning Objectives
Oral-systemic health: Understanding the intersection of mental illness and dental care, highlighting for example, the barriers to such care.
Discover the unique needs and differing priorities for oral care that can accompany a specific mental illness diagnosis.
Role of mouthrinses: Learn how Listerine® mouthrinse can be a positive adjunct to improving oral health outcomes for this patient population.
Understand the important role of dentistry through the offering of empathy, communication and collaboration with other health care professionals.
About the Presenters

Dr. David Clark BSc, DDS, MSc. (Pathology), FAAOP, FRCDC
Dr. David Clark BSc, DDS, MSc. (Pathology), FAAOP, FRCDC, is the former Staff Dentist at Ontario Shores Centre for Mental Health Sciences, in Whitby, Ontario from 1988 – 2018. He also served as an Instructor in Dentistry, University of Toronto - Department of Oral Medicine and Oral Diagnosis from 1988 – 2022 as well as Clinical Instructor/Lecturer in the Dental Hygiene Program at Durham College, Oshawa, Ontario.
He obtained his DDS in1976 and MSc.(Pathology) in 1986. Dr. Clark is a Fellow of the Royal College of Dentists of Canada in Oral Pathology. Memberships include the Pierre Fauchard Academy and Academy of Dentistry International. Dr. Clark was the recipient of the Award of Distinction (Continuing Dental Education) from the Academy of Dentistry International in 2015 and the 2016 Ontario Dental Association Award of Merit.
His hospital-based dental practice was devoted to the dental care of individuals undergoing care for various forms of psychiatric illness often in association with other medical comorbidities.

Lacey Smith, RDH
Lacey Smith is a Registered Dental Hygienist and Senior Dental Consultant for LISTERINE® Mouthwash, from Summerland, BC. She started her dental career at a young age as a Sterilization Technician in 2005. Lacey then graduated from the Dental Hygiene program at St. Clair College in Windsor, Ontario in 2009 and received the Hu-Friedy Golden Scaler award. Soon after, she headed west for the mountains.
In 2015, after spending many years working in general practice, Lacey switched gears into periodontal practice and really enjoyed the challenges and triumphs of her years spent working in perio.
Since 2022, Lacey has been working for LISTERINE® Mouthwash, as a Senior Dental Consultant and Educator. She supports LISTERINE® with their Dental School Support Program, manages relationships with dental health professionals, as well as supports LISTERINE®’s conference presence throughout Canada. Lacey takes great pride in the opportunity to educate and mentor her peers, but also to learn from and alongside them.
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