Located in Historic Medford Square, Perrotta Dental's pristine, welcoming facility provides an evocative setting for smile purification. To launch the 90-minute in-office Zoom! treatment, teeth are glazed with a gleam-unveiling gel. A trained specialist then shines an intense floodlight on the gel to summon law-enforcing agents who stun stain bandits, apprehend dental-defacers, and restore lustrous order to graffiti-ravaged fangs. Groupon buyers may experience temporary sensitivity after the procedure and should proceed gingerly when challenged to a flux-off by the moon. Stocking his facility with experienced technicians, Dr. Perrotta is a member of the Cambridge Restorative Study Club—an elite circle of cosmetic sages who meet six times per year to discuss dental advancements.