Over time teeth can become discolored and stained, not only externally (extrinsic) but internally (Intrinsic) as well. Extrinsic: This occurs when the outer layer of the tooth (the enamel) is stained. Coffee, red wine, cola, or other drinks or foods can stain teeth. Smoking also causes extrinsic stains. Intrinsic: This is when the inner structure of the tooth (the dentin) darkens or gets a yellow tint. Our Barrie dental clinic utilized professional Teeth Whitening to brighten this patient's smile.
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