This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Laugier-Hunziker syndrome is associated with 
Select and explain. 
A. Idiopathic macular oral hyperpigmentation, B. Multiple impacted supernumerary teeth, C. Ankyloglossia, D. Hemifacial atrophy
A: Idiopathic macular oral hyperpigmentation
Answer: A: Idiopathic macular oral hyperpigmentation 
Explanation: None