HEMIMANDIBULAR HYPERPLASIA PDF

HEMIMANDIBULAR HYPERPLASIA PDF

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September 26, 2020

Laterognathia (hemi-mandibular elongation) The characteristic of hemi mandibular hyperplasia is facial asymmetry (oversized lower face on one side). Hemimandibular hyperplasia (HH) is a developmental asymmetry characterized by three-dimensional enla. Hemimandibular hyperplasia is a developmental asymmetry characterized by three-dimensional enlargement of half of the mandible.6 The hyperplastic side.

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Reciprocal clicking was heard during the movement of the right TMJ. Separation and characterization of the cellular elements”. Retrieved from ” https: However, in young patients we support a “wait and see” approach until the end of facial growth in all cases where condylar growth is not so rapid and the hemimaneibular aspect is still good.

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Hemimandibular hyperplasia treated by early high condylectomy: How to cite this URL: It appears to arise as an acceleration of growth in younger patients, perhaps triggered by the metabolic events during the adolescent growth spurt, or as a prolongation of growth in older individuals caused by one side continuing to grow beyond the mids, an age at which growth should have ceased.

Computed tomography-1 Click here to view.

Despite the wide condylectomy, the occlusion was maintained throughout 2 years of close follow-up. Hemimandibular hyperplasia treated by early high condylectomy: Fig 2b The preoperative panoramic radiograph shows the great discrepancy in size and morphology between the right and left condyles, along with an enlargement of the skeletal basis of the right hemimandible in all its dimensions.

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The condyle was removed with a fissure bur and the condylar stump was smoothed with hekimandibular round bur. Generally, the abnormal growth of the mandible ceases at the same time as the completion of general growth. An early high condylectomy was performed. Orthognathic hemimaneibular can be performed once the active condylar growth has finished in some cases.

Hemimandibular hyperplasia: classification and treatment algorithm revisited.

Twelve years later, there has been no recurrence, and the patient has a good dental occlusion Figs 1d and 1e and facial appearance Fig 1f. Excursion and protusive movements were not restricted.

The lower border of the mandible is bowed downward and positioned at a lower hemimandibuar than that on the normal side, clearly demonstrated by an increased distance between the dental roots and the alveolar canal.

Hugo Obwegeser et al. The stimulus for the abnormal growth either lies within hemimandibuoar fibrocartilaginous layer or is produced by it. The hyperplastic side usually involves the condyle, condylar neck, ramus, and body, with the anomaly terminating abruptly at the symphysis.

This page was last edited on 30 Augustat Hemimandibular hyperplasia is a developmental asymmetry characterized by three-dimensional enlargement of half of the mandible. Fig 2a Patient’s preoperative frontal view.

The authors present their experience on the basis of this proposed classification and treatment algorithm with functional and aesthetic outcomes as the end points of this study. Developmental asymmetries include agenesis, hypoplasia, hyperplasia, atrophy, hypertrophy and malpositions of the facial bony structures.

In the literature, genetic factors, circulatory problems, hormonal disturbances, traumatic lesions, and arthrosis have been proposed to be etiologic factors of the disease. Clinically, the facial appearance is distorted, hypegplasia an increase in the height of the affected side. Few reports are available regarding the long-term follow-up of patients affected by HH who have undergone early high condylectomy. Fig 2e Hekimandibular radiograph after extensive orthognathic surgery involving the maxilla Le Fort I osteotomy hyperplaasia, the mandible Obwegeser-Dal Pont osteotomythe chin, the lower border of the right mandible, and the condyle condylectomy.

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They seem to contribute to the understanding of the normal and abnormal mandibular growth and consequently also of many of the mandibular anomalies. A diverse experience with 18 patients”.

Condylar hyperplasia can be considered to be the end result of primary cartilage formation and secondary bone replacement. Facial profile – left side Click here to view.

Sitemap What’s New Feedback Disclaimer. Condylar hyperplasia has an unknown cause. International Journal of Clinical and Experimental Medicine. Report of case In Aprila year-old boy was referred to the Department of Maxillofacial Heminandibular, University Hospital of Parma, complaining of temporomandibular joint TMJ discomfort and subluxation of heimmandibular right condyle for almost 10 months. How to cite this article: Journal of Oral and Maxillofacial Surgery.

This option, however, does include a person living with the facial asymmetry features all the way up until 18 to 19 years of age.

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