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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Facial profile – right side Click here to view.

Condylar hyperplasia

Orthognathic surgery can be performed once the active condylar growth has byperplasia in some cases. The patient’s parents declined postoperative orthodontic therapy to correct the deep bite.

Facial profile Click here to view. Hemimandibular hyperplasia treated by early high condylectomy: Views Read Edit View history. If the anomaly occurs before puberty, hemimandibulra maxilla follows the downward growth of the mandible, and the teeth of the affected side usually remain in occlusion but on a lower level than the teeth of the normal side, with a consequent tilting of the occlusal plane in the hemimaneibular dimension. Fig 2h right Postoperative view of the patient 3 years after surgery.

It is important to observe that in this case, as in others described in the literature, hyperplasai the pathosis also involves the maxilla with maxillary monolateral vertical growth, including the maxillary sinus. All these findings are particularly noticeable in comparison with the unaffected side. From Wikipedia, the free encyclopedia. The facial symmetry is good. The resection had been radiographically planned to re-establish symmetry with the contralateral condyle.


Int J Paediatr Dent ; Hemimandibular hyperplasia was clearly described by Obwegeser and Makek 2 and must be distinguished from solitary and exclusive hyperplasia of the condyle.

They seem to contribute to the understanding of the normal and abnormal mandibular growth and consequently also of many of the mandibular anomalies. In our opinion, the esthetic and functional results after this long-term follow-up are fairly satisfactory. By using this site, you agree to the Terms of Use and Privacy Policy.

Clinical and radiographic findings were consistent with a diagnosis of right hemimandibular hyperplasia. Eve, May 15th, 1 Hemimandibular hyperplasia HH is a rare malformation of non-neoplastic origin characterized by a 3-dimensional enlargement of one side of the mandible, ie, the enlargement of the condyle, the condylar neck, and the ascending and horizontal rami.

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 facial aspect is still good. Orthodontic and surgical treatment of hemimandibular hyperplasia.

Hemimandibular hyperplasia treated by early high condylectomy: Korean Journal of Orthodontics. Many treatment options exist for this type of condition. We are convinced that there exist pure and mixed forms of both growth anomalies because we have observed several such clinical cases.


A rare case of hemimandibular hyperplasia Janaki K, Valavan N P – Indian J Oral Sci

The most commonly used radionuclide is 99m technetium 99mTCbecause it emits KeV gamma radiation, which is sufficiently penetrating to escape the body in needed quantity, is readily detected, and has a 6-hour half-life. Facial profile – left side Click here to view. Journal of Maxillofacial Surgery. Retrieved from ” https: Acquired asymmetries occur as a result of traumas, infections, functional shifts and tumors.

The maxilla usually follows the mandible and grows downward on the affected side. The surrounding anatomic structures were preserved with great care; the disc was intact and well positioned over the newly created right condyle.

The dental occlusion showed a Class II division 2 malocclusion deep biteand the dental midline was centered Fig 1b.

Histologically, the hyperactive growth includes the whole fibrocartilaginous layer. How to cite this URL: