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Tooth staining

Intrinsic or Extrinsic

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{"id":2120167,"question_id":"480819","created_at":"2018-05-31 12:06:58","updated_at":"2018-05-31 12:06:58","answerTitle":"Intrinsic or Extrinsic","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

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Intrinsic

staining with tooth surface, occurs during development or subsequently absorbed, cannot be polished away. Exogenous- stains absorbed into cracks, pits, fissures of enamel from outside the tooth (smoker). Endogenous - within tooth structure (fluorosis, tetracycline)

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{"id":2120168,"question_id":"480820","created_at":"2018-05-31 12:09:05","updated_at":"2018-05-31 12:09:05","answerTitle":"staining with tooth surface, occurs during development or subsequently absorbed, cannot be polished away. Exogenous- stains absorbed into cracks, pits, fissures of enamel from outside the tooth (smoker). Endogenous - within tooth structure (fluorosis, tetracycline)","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

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480821

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Extrinsic

Stain on the tooth surface, pigmentation of salivary pellicle, can be cleaned away. Metallic- staining of plaque by metallic components. Non-metallic- children green stain due to poor oh, chlorhexidine. Black stain- fine black line

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{"id":2120169,"question_id":"480821","created_at":"2018-05-31 12:11:27","updated_at":"2018-05-31 12:11:27","answerTitle":"Stain on the tooth surface, pigmentation of salivary pellicle, can be cleaned away. Metallic- staining of plaque by metallic components. Non-metallic- children green stain due to poor oh, chlorhexidine. Black stain- fine black line","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

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