Discoloration ( whiteness or whitish band ) of the incisors was observed at all doses from Week 3 to the end of dosing period .
Discoloration ( whiteness or whitish band ) of the incisors was observed at all doses from Week 3 to the end of dosing period .
B-FINDING O O O O O O O O B-SPECIMEN O O O B-DOSE I-DOSE O O O O O O O O O O