title: The range and effectiveness of safety headgear products.
abstract: The range of safety headgear products currently available is described. The paper also presents the results obtained when an Instron machine was used to carry out preliminary laboratory tests to evaluate the relative effectiveness of the safety release headgear systems.
authors.forename: K
authors.initials: K
authors.lastname: Postlethwaite
mesh_terms: D000056:Accident Prevention; D003799:Dental Stress Analysis; D004867:Equipment Design; D004869:Equipment Safety; D005115:Extraoral Traction Appliances / Q000009:adverse effects; D006801:Humans; D009968:Orthodontic Appliances, Removable / Q000009:adverse effects; D013314:Stress, Mechanical