Healthy Smiles Card Expire July 31, 2019 Is your Healthy Smiles Ontario card expiring July 31st, 2019? Be on the look out for a new card coming in the mail. If you did not get one or have any questions please call Oral Health Services at Chatham-Kent Public Health- Healthy Smiles Ontario-Chatham-Kent Public Health 519-355-1071 Ext. 5700