1. Ethics is concerned with standards for judging whether actions are right or wrong, and applies to how dentists should act in their duties towards patients, colleagues, and society.
2. Key ethical principles for dentists include non-maleficence (do no harm), beneficence (do good), respect for patient autonomy and informed consent, justice, truthfulness, and confidentiality.
3. Unethical practices include practicing without registration, improper advertising, and discrimination against patients. Research ethics were established after atrocious human experiments to protect participant rights, safety, and welfare.