Chang Gung Memorial Hospital, T’ai-pei, Taipei, TaiwanPlastic & Reconstructive Surgery (Impact Factor: 2.99). 05/1996; 97(4):730-7. DOI: 10.1097/00006534-199604000-00007
True hemimandibular hyperplasia is an uncommon maxillofacial deformity. Patients with this affliction present clinically with varying degrees of asymmetry characterized by an increase in ramus height, a rotated facial appearance with kinking at the mandibular symphysis, and prominence of the lower border of the mandible. In the advanced form, maxillary and mandibular alveolar bone overgrowth result in a compensatory canting of the occlusal plane and a significant functional malocclusion requiring bimaxillary surgical correction. Nine patients with the above condition were treated with various surgical methods over a 9-year period. The clinical results were satisfying and the long-term results showed good postoperative stability. The pathology of hemimandibular hyperplasia is described and the preexisting nomenclature further defined.
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- "As it has been put forward that if this condition is managed at an early stage, the mandibular and facial deformity seems to be arrested. On the other hand some authors believe that CH may ultimately progress to hemimandibular hyperplasia or hypertrophy, however no scientific study has yet been able to confirm such views (Yu-Ray Chan 1995). "
ABSTRACT: Condylar hyperplasia of the mandible is a clinical condition of over-development and growth because of excessive cellular growth of one condylar part of the mandible leading to facial asymmetry, mandibular deviation and enlargement of condyle. The elongation of the condylar neck in turn leads to malocclusion and articular dysfunction. In the past the interceptive and corrective procedures of growth and deformity in condylar hyperplasia were either condylectomy or high condylotomy. However, the deformity ceases after growth is completed. Therefore, other surgical procedures have to be undertaken to correct the manifested deformity of condylar hyperplasia. Further it has to be stressed that no single procedure can completely correct the deformity. So in addition to condylectomy, other orthognathic surgical procedures both on body and ramus and also on maxilla can be undertaken to correct the canting of occlusion. Two rare cases of unilateral hyperplasia encountered in our hospital are presented which required different lines of treatment.04/2014; 5(1):54-9. DOI:10.4103/0975-5950.140180
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ABSTRACT: Hemimandibular hyperplasia is a well-defined, rare asymmetrical mandibular malformation. It is characterized by diffuse enlargement of the condyle, the condylar neck, and the ramus and body of the mandible. Because the anomaly begins before puberty, it is understandable that the maxilla follows the downward growth of the mandible. Pathogenesis is due most likely to clear hyperactivity in the condyle, which can be documented histologically with an actively proliferating cartilage. Therapy is largely based on the patient's age. The authors present their series of nine individuals with hemimandibular hyperplasia treated with various surgical methods between 1992 and 1994. A therapeutic approach called orthopedic maxillary management applied to two of the nine patients is presented. The objective is to maintain the occlusal maxillary plane in a correct position in growing patients. All clinical results, except one, were satisfying and showed good postoperative stability.Journal of Craniofacial Surgery 02/2000; 11(1):46-53. DOI:10.1097/00001665-200011010-00009 · 0.68 Impact Factor
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ABSTRACT: A case of hemimandibular hyperplasia in a young patient treated 12 years ago is presented. Clinical and radiographic findings were consistent with a diagnosis of right hemimandibular hyperplasia. An early high condylectomy was performed. In our opinion, the esthetic and functional results after this long-term follow-up are fairly satisfactory. We present a brief review of the literature to make a differentiation between condylar hyperplasia and hemimandibular hyperplasia and to stress the importance of early condylectomy to correct this disease.The International journal of adult orthodontics and orthognathic surgery 02/2001; 16(3):227-34.
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