title: Surface morphology changes in human enamel, dentin and cementum following bleaching: a scanning electron microscopy study.
abstract: Extracted human premolars were cut, cleaned and divided into 6 experimental groups. Each group was treated with one of the following bleaching materials: 30% hydrogen peroxide, 10% carbamide peroxide, sodium perborate, Nu-Smile, Opalescence and DentlBright. Morphological changes in tooth surface occurred following treatment with most bleaching agents. Hydrogen peroxide and DentlBright were associated with surface changes in all dental tissues. Hydrogen peroxide, DentlBright, Nu-Smile and Opalescence were mainly associated with surface changes in the cementum, which exhibited more changes than the other tissues.
authors.affiliation: Department of Prosthodontics, Hebrew University-Hadassah Faculty of Dental Medicine, Jerusalem, Israel.
authors.forename: M
authors.initials: M
authors.lastname: Zalkind
authors.forename: J R
authors.initials: JR
authors.lastname: Arwaz
authors.forename: A
authors.initials: A
authors.lastname: Goldman
authors.forename: I
authors.initials: I
authors.lastname: Rotstein
mesh_terms: D001881:Borates / Q000009:adverse effects; D000077463:Carbamide Peroxide; D003739:Dental Cementum / Q000187:drug effects* / Q000648:ultrastructure; D003743:Dental Enamel / Q000187:drug effects* / Q000648:ultrastructure; D003804:Dentin / Q000187:drug effects* / Q000648:ultrastructure; D004338:Drug Combinations; D006801:Humans; D006861:Hydrogen Peroxide / Q000009:adverse effects; D008855:Microscopy, Electron, Scanning; D010545:Peroxides / Q000009:adverse effects*; D013499:Surface Properties; D014073:Tooth Bleaching / Q000009:adverse effects*; D014508:Urea / Q000009:adverse effects / Q000031:analogs & derivatives
chemical_list: D001881:Borates; D004338:Drug Combinations; D010545:Peroxides; D000077463:Carbamide Peroxide; D014508:Urea; D006861:Hydrogen Peroxide; C027707:sodium perborate