with the aid of scanning electron microscopy and microradiography , 45 teeth including 20 contralateral tooth pairs were studied to assess the effect on human dentine of ( 1 ) a 1 minute treatment with 3 % naf , ( 2 ) a dressing of ca ( oh ) 2 and ( 3 ) a dressing of ca ( oh ) 2 and capo3f after follow-up periods of 2-8 weeks .
C0040426
tooth
C0011429
dentine