This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hyper Pigmented Disorders, Subject name: Dental
Pigmentation due to increased melanin production but no melanocyte proliferation, is seen in? 
Select and explain. 
A. Nevus, B. Ephelides, C. Lentigo, D. Melanoma
B: Ephelides
Answer: B: Ephelides 
Explanation: Causes of Hyperpigmentation Increased pigment( melanin) production Ephelides (freckles) Cafe au lait macule Post inflammatory hyperpigmentation Proliferation of melanocytes Lentigo Nevus Melanoma