Properties of Glass Ionomer Cements Associated With Chlorhexidine or Doxycycline

Inclusion Criteria: * an active deep carious lesion at the internal half of the dentine thickness of a primary molar that had not been previously restored and that involved the occlusal or occlusoproximal surface; * the absence of signs of irreversible damage to the pulp * the absence of radiolucencies at the interradicular or periapical region or thickening of the periodontal spaces, absence of internal and external root resorption, absence of calcification of the pulp tissue * children presenting no systemic disease or those not using medications. Exclusion Criteria: * presence of signs of irreversible damage to the pulp * children presenting systemic disease or those using medications.