Massachusetts police arrested a man allegedly running an illegal dentist's office out of a convenience store.

The Milford Police Department arrested Juan Hermida Munoz, 64, on Sept. 18 after an investigation revealed he rented a room in the rear of Alternativa Convenience Store.

Officials say that Munoz offered "examinations, tooth extractions, anesthetics, and cleanings."

Munoz holds no certifications to practice medicine within the country and isn't board-certified in dentistry, the police department alleged.

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Picture of Alternativa Convenience Store (L) next to Juan Hermida Munoz (R) who shows no expression in a picture

The Milford Police Department arrested Juan Hermida Munoz, 64, on Sept. 18, after an investigation revealed he rented a room in the rear of Alternativa Convenience Store, according to a press release. (Milford Police Department)

"This practice puts the lives of patients in danger by unsanctioned and unsanitary conditions in receiving medical treatments," the police department wrote.

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He's being charged with unauthorized practice of medicine and unauthorized practice of dentistry.

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Maria Magdalena Guaman-Castro, who owns the convenience store, was charged with conspiracy.