Inclusion Criteria:

• Express consent to participate in the study
• Member of or beneficiary of a social security scheme
• For cases: Affected by Wilson's disease
• For controls: Benefiting from a first routine dental consultation with dental panoramic imaging, outside of an emergency context or treatment follow-up/maintenance

Exclusion Criteria:

• Patient benefiting from a legal protection measure

• Pregnant or breastfeeding women

• Severe psychiatric disorders with behavioral disorders

• For cases:

  • hepatic or neurological decompensation
  • liver transplant patient

• For witnesses:

  • Patient with hepatic or neurological disease
  • Patient taking dietary supplements enriched with copper or zinc or zinc supplementation
  • Patient wearing removable prostheses with zinc-enriched prosthetic adhesives (Fixodent ProPlus®)