It is a MEEQR and it is distinctly applicable which means it only could be justified under Article 36 TFEU and Cassis won't apply, so which policy do you think best apply sin this case and why?

Beluga recently introduced a new Health Law (HL) which requires residents of Beluga to apply for permission from the national health service of Beluga before artificial teeth which were not produced in Beluga are used in dental treatment provided in Beluga.The preamble to the HL explains that this new requirement is motivated by considerations of the protection of the national health service of Beluga.