Practitioners who hold both, pursuant to 1° of article L. 4111-1, one of the diplomas, certificates or titles required for the practice of the profession of doctor, and one of the diplomas, certificates or titles required for the practice of the profession of dental surgeon, may be registered, at their choice, with the ordre des médecins or the ordre des chirurgiens-dentistes. In the latter case, their practice must be limited to dentistry and they do not have the right to practise medicine.