© 1989 by European Orthodontic Society
The range and effectiveness of safety headgear products
Orthodontic Department, Queen Alexandra Hospital Cosham, Portsmouth, England
Mrs Kathryn Postlethwaite, Department of Orthodontics, Queen Alexandra Hospital, Cosham, Portsmouth, Hampshire, England
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.
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