Enamel color improvement: all things considered.
Croll
T P
TP
D000293:Adolescent; D003743:Dental Enamel / Q000473:pathology*; D003793:Dental Restoration, Permanent; D006801:Humans; D006851:Hydrochloric Acid / Q000008:administration & dosage; D007180:Incisor / Q000293:injuries / Q000473:pathology*; D008297:Male; D017640:Silicates; D012824:Silicic Acid; D014075:Tooth Discoloration / Q000628:therapy*; D014082:Tooth Fractures / Q000628:therapy
D017640:Silicates; D012824:Silicic Acid; C005144:pumice; D006851:Hydrochloric Acid