Signs and symptoms of TMJ disorders in adults after adolescent Herbst therapy : a 6-year and 32-year radiographic and clinical follow-up study

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Signs and symptoms of TMJ disorders in adults after adolescent Herbst therapy : a 6-year and 32-year radiographic and clinical follow-up study

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Publication Article, peer reviewed scientific
Title Signs and symptoms of TMJ disorders in adults after adolescent Herbst therapy : a 6-year and 32-year radiographic and clinical follow-up study
Author(s) Pancherz, Hans ; Salé, Hanna ; Bjerklin, Krister
Date 2015
English abstract
Objective:  To analyze radiographic signs of temperomandibular joint (TMJ) osteoarthritis and clinical TMJ symptoms in patients 6 years and 32 years after treatment with a Herbst appliance. Materials and Methods:  Fourteen patients were derived from a sample of 22 with Class II division 1 malocclusions consecutively treated with a banded Herbst appliance at the age of 12–14 years old (T1-T2). The subjects were reexamined after therapy at the ages of 20 years (T3) and 46 years (T4). The TMJs of the 14 patients were analyzed radiographically (conventional lateral tomography at T3 and cone-beam computed tomography at T4) and clinically/anamnestically at T3 and T4. Results:  Six years after Herbst therapy, signs of osteoarthritis were seen in one patient. At the 32-year follow-up, two additional patients had developed signs of osteoarthritis. At the 6-year follow-up, TMJ clicking was present in two patients, though none of the patients reported TMJ pain. At the 32-year follow-up, six patients had TMJ clicking and one patient had TMJ pain. Conclusions:  This longitudinal very-long-term follow-up study after Herbst therapy revealed only minor problems from the TMJ. The TMJ findings 6 years and 32 years after Herbst treatment corresponded to those in the general population. Thus, in the very long term, the Herbst appliance does not appear to be harmful to the TMJ.
DOI http://dx.doi.org/10.2319/072914-530.1 (link to publisher's fulltext)
Publisher Allen
Host/Issue The Angle Orthodontist;5
Volume 85
ISSN 0003-3219
Pages 735-742
Language eng (iso)
Subject(s) Herbst therapy
TMJ disorders
radiographic and clinical follow-up study
Medicine
Research Subject Categories::ODONTOLOGY
Handle http://hdl.handle.net/2043/19598 (link to this page)

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