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156205 Dental

A 20 year old female patient complains of brownish discoloration of her teeth. She has a history of frequent tea consumption. Intra-oral examination reveals brownish staining of all teeth. Patient was suggested bleaching with CO2 laser by the dentist. However, this treatment is currently not recommended because:

AAlteration in color post-bleaching
BPotential for hard and soft tissue damage
CChemical changes in bleaching mixture
DInadequate bleaching
Dental
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