D-3, r. 4 - Code of ethics of dentists

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3.08.04. A dentist shall notify his patient of the approximate cost of his services before beginning the treatment and shall refrain from demanding full advance payment for his services.
If projected treatment on which agreement has been reached must be changed, the dentist shall inform the patient without delay of the additional fees that this change will entail.
R.R.Q., 1981, c. D-3, r. 4, s. 3.08.04.