Abstract
I. Andresen and Haupl have produced a treatment which they call ‘Functional orthopaedic treatment of the jaw. Andresen has also produced, without apparent connection with the therapeutic principles of this method, a diagnostic-cephalometrical system and an individual definition of the general rule and the aim of the treatment. As a result of their thorough investigations, Hellman and Brodie have come to the conclusion that our methods of treatment only influence the alveolar processes. Thus cephalometry has altogether only slight practical significance as we are unable to alter the measured skull divisions. In addition the Andresen method is very imperfect, as the Camper's plane chosen by him as a basis for measurements is unsuitable. It lies …
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