Article R4127-240 of the French Public Health Code
I. – The dental surgeon must always determine the amount of his fees with tact and moderation. The factors to be taken into account are, independently of the importance and difficulty of the treatment, the material situation of the patient, the reputation of the practitioner and the particular circumstances. Dental surgeons are free to provide treatment free of charge. However, he is prohibited from lowering his fees in order to…