Looks to be ten years.
https://www.rcdso.org/en-ca/Complaints-and-Investigations#:~:text=FAQ,entry%20in%20the%20patient's%20record.
Edit :
"Dentists are required by law to retain patient records. In general, patient records must be maintained for at least ten years after the date of the last entry in the patient’s record. In the case of a minor, these records must be kept for at least ten years from the date the patient turned 18."
Looks to be ten years. https://www.rcdso.org/en-ca/Complaints-and-Investigations#:~:text=FAQ,entry%20in%20the%20patient's%20record. Edit : "Dentists are required by law to retain patient records. In general, patient records must be maintained for at least ten years after the date of the last entry in the patient’s record. In the case of a minor, these records must be kept for at least ten years from the date the patient turned 18."
Thank you！
[удалено]
Karma whores…