Neonatal line: Thin brown line may be neonatal line, a darker of the day you were born. Brown spots, brown line, may also be from taking tetracycline, or an illness, or a systemic problem, while the teeth were forming. Did you ask the Dentist about the brown spots/lines? that's the best person to ask. Give your Dentist a call.
Answered 7/16/2015
2.6k views
Professional prophy: That is usually gotten off very easily with professional cleaning, flossing and good brushing technique. Schedule an appointment with your dentist or hygienist to remove stains.
Answered 9/11/2016
2.5k views
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