title: The nature of the pain reaction associated with orthodontic tooth movement.
mesh_terms: D001963:Bromelains / Q000494:pharmacology; D002744:Chlorpheniramine / Q000494:pharmacology; D006801:Humans; D007213:Indomethacin / Q000494:pharmacology; D009967:Orthodontic Appliances / Q000009:adverse effects; D010146:Pain / Q000503:physiopathology*; D010519:Periodontium / Q000503:physiopathology; D013314:Stress, Mechanical; D014087:Tooth Movement Techniques / Q000009:adverse effects*
chemical_list: D002744:Chlorpheniramine; D001963:Bromelains; D007213:Indomethacin