The separation of dental and medical care is a medical ethics issue because it negatively impacts vulnerable populations who lack access to dental care.
AMA J Ethics. 2016;18(9):861-868. doi:
10.1001/journalofethics.2016.18.9.peer1-1609.
If employees of religious institutions whose consciences conflict with those of their employers were to be granted legal protection for positive claims of conscience, the religious freedom of institutions within which they work would be gravely compromised.