title: A comparative study of using a combination of calcium chloride and mineral trioxide aggregate as the pulp-capping agent on dogs' teeth.
abstract: BACKGROUND
  The addition of some chemicals to mineral trioxide aggregate (MTA) may improve the physical properties of the biomaterial. The aim of this study was to compare a combination of MTA with/without CaCl(2) as pulp-capping agents in dogs' teeth.
  
  
  METHODS
  The dental pulp of 32 teeth in four dogs were exposed and capped with either MTA or MTA/CaCl(2). After 2 months, the animals were sacrificed, and the teeth were prepared for histological evaluation. Pulpal response to the two capping materials was evaluated in terms of necrosis, inflammation, and formation of a calcified bridge. The chi-square test was used for data analysis.
  
  
  RESULTS
  Histological results showed a higher percentage of inflammation and necrosis and a lower percentage of calcified bridge formation in MTA/CaCl(2) samples compared with MTA; however, the differences were not statistically significant (P > .05).
  
  
  CONCLUSIONS
  The addition of CaCl(2) to MTA pulp-capping agent did not improve the properties of this biomaterial.
authors.affiliation: Oral and Dental Diseases Research Center, Kerman University of Medical Sciences, Kerman, Iran.
authors.forename: Masoud
authors.initials: M
authors.lastname: Parirokh
authors.forename: Saeed
authors.initials: S
authors.lastname: Asgary
authors.forename: Mohammad Jafar
authors.initials: MJ
authors.lastname: Eghbal
authors.forename: Shahla
authors.initials: S
authors.lastname: Kakoei
authors.forename: Mohammad
authors.initials: M
authors.lastname: Samiee
mesh_terms: D017607:Aluminum Compounds / Q000627:therapeutic use*; D000818:Animals; D002122:Calcium Chloride / Q000627:therapeutic use*; D017610:Calcium Compounds / Q000627:therapeutic use*; D003782:Dental Pulp / Q000187:drug effects; D003789:Dental Pulp Exposure / Q000628:therapy; D003790:Dental Pulp Necrosis / Q000209:etiology; D003793:Dental Restoration, Permanent / Q000379:methods; D003809:Dentin, Secondary / Q000187:drug effects; D004285:Dogs; D004338:Drug Combinations; D005899:Glass Ionomer Cements; D010087:Oxides / Q000627:therapeutic use*; D057872:Pulp Capping and Pulpectomy Agents / Q000627:therapeutic use*; D011671:Pulpitis / Q000209:etiology; D011897:Random Allocation; D017640:Silicates / Q000627:therapeutic use*
chemical_list: D017607:Aluminum Compounds; D017610:Calcium Compounds; D004338:Drug Combinations; D005899:Glass Ionomer Cements; D010087:Oxides; D057872:Pulp Capping and Pulpectomy Agents; D017640:Silicates; C086631:mineral trioxide aggregate; D002122:Calcium Chloride