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THE INFLUENCE OF ORTHOPEDIC FORCES ON THE CRANIOFACIAL COMPLEX AND THE TEMPOROMANDIBULAR JOINT

By ΗΛΙΑΣ ΜΠΙΤΣΑΝΗΣ

Abstract

THE PURPOSE OF THIS STUDY WAS TO FIND AND EVALUATE THE CHANGES OF THE DENTAL AND SKELETAL ELEMENTS OF THE CRANIOFACIAL COMPLEX, WITH SPECIAL EMPHASIS ON THETEMPOROMANDIBULAR JOINT IN PATIENTS TREATED WITH THE ACTIVATOR AND THE CHIN-CUP APPLIANCES. FOR THIS: A GROUP OF 20 PATIENTS AGED FROM 8-13 YEARS WITH SKELETAL CLASS II DIV 1 MALOCCLUSION, AND A SANE GROUP OF PATIENTS WITH SKELETAL CLASS III MALOCCLUSION WERE STUDIED BEFORE AND AFTER 1- 1 1/2 YEARS OF TREATMENT WITH ACTIVATOR AND CHIN- CUP APPLIANCES, RESPECTIVELY, USING LATERAL CEPHALOMETRIC X-RAYS AND TOMOGRAPHIES OF THE T.M.J. A GROUP OF 20 PATIENT 7-13 YEARS WITH HORMONIC SKELETAL PROFIL AND NORMAL OCCLUSION WAS USED AS CONTROL GROUP. THE FINDINGS OF THIS STUDY LEAD TO THE FOLLOWING CONCLUSIONS: IN THE PATIENTS TREATED WITH THE ACTIVATOR, A FORWARD AND DOWNWARD MOVEMENT OF THE MANDIBLE WAS OBSERVED, WHILE THE OPPOSITE MOVEMENT WAS OBSERVED IN THE PATIENTS TREATED WITH THE CHIN-CUP. THE CONDYLE DOES NOT REGAIN ITS ORIGINAL POSITION IN THE GLENOID FOSSA AFTER THE TREATMENT IN THE ACTIVATOR PATIENTS. THE CRANIAL BASE ANGLE IN THE PATIENTS TREATED WITH ACTIVATOR DIMINISHED, WHILE IN THE PATIENTS TREATED WITH CHIN-CUP REMAINED ANALTERED OR INCREASED SLIGHTLY.

Topics: Activator, CEPHALOMETRIC ANALYSIS, CHIN-CUP, CRANIAL BASE, Craniofacial complex, ORTHOPEDIC FORCE, SKELETAL ORTHODONTIC DISCREPANCY, Temporomandibular joint, Tomography, ΒΑΣΗ ΚΡΑΝΙΟΥ, Ενεργοποιητής, ΕΠΙΓΝΑΘΙΔΑ, ΚΕΦΑΛΟΜΕΤΡΙΚΗ ΑΝΑΛΥΣΗ, Κόνδυλος, Κρανιοπροσωπικό σύμπλεγμα, Κροταφική γλήνη, Κροταφογναθική διάρθρωση, ΟΡΘΟΠΕΔΙΚΗ ΔΥΝΑΜΗ, ΣΚΕΛΕΤΙΚΗ ΟΡΘΟΔΟΝΤΙΚΗ ΑΝΩΜΑΛΙΑ, Τομογραφία
Publisher: National and Kapodistrian University of Athens
Year: 1986
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