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      Condylar hyperplasia: An updated review of the literature

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          Abstract

          Condylar hyperplasia (CH) is a rare disorder characterized by excessive bone growth that almost always presents unilaterally, resulting in facial asymmetry. Classification of the different types of CH can differ depending on the authors. Correct diagnosis is critical in determining the proper treatments and timing. This paper is a review of the recent literature on the epidemiology, etiology, diagnosis, classification, and surgical treatments of CH.

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          Most cited references30

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          Hemimandibular hyperplasia--hemimandibular elongation.

          Clinical and radiographic experience as well as histological findings leave no doubt that the term "condylar hyperplasia" refers only to hyperplasia of the condyle alone and should therefore not be used to mean the two hemimandibular anomalies as is the case in the literature today. There are two basically different malformations of one side of the mandible which we call hemimandibular hyperplasia and hemimandibular elongation respectively. We are convinced that there exist pure and mixed forms of both growth anomalies because we have observed several such clinical cases. The stimulus for the abnormal growth either lies within the fibrocartilaginous layer or is produced by it. Different histological patterns within the condylar growth zone were seen in the two anomalies. The pathophysiological bases of the abnormal growth are discussed. They seem to contribute to the understanding of the normal and abnormal mandibular growth and consequently also of many of the mandibular anomalies. The explanations are demonstrated by the illustrations of some cases.
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            The clinical characteristics of condylar hyperplasia: experience with 61 patients.

            Much reported variation and discord exist regarding mandibular condylar hyperplasia (CH). This study evaluated some of the characteristics of this disorder in a series of 61 patients with active CH.
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              Female predominance and effect of gender on unilateral condylar hyperplasia: a review and meta-analysis.

              The objective of this review and meta-analysis was to determine the existence and extent of the predominance of women among patients with unilateral condylar hyperplasia (UCH). Furthermore, we examined the laterality of UCH in women and men from international study populations.
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                Author and article information

                Journal
                Korean J Orthod
                Korean J Orthod
                KJOD
                Korean Journal of Orthodontics
                Korean Association of Orthodontists
                2234-7518
                2005-372X
                November 2015
                20 November 2015
                : 45
                : 6
                : 333-340
                Affiliations
                Division of Oral and Maxillofacial Surgery, Department of Surgical Sciences, School of Dentistry, Marquette University, Milwaukee, WI, USA.
                Author notes
                Corresponding author: Luis Eduardo Almeida. Assistant Professor, Division of Oral and Maxillofacial Surgery, Department of Surgical Sciences, School of Dentistry, Marquette University, Room 352, PO BOX 1881, Milwaukee, WI 53201-1881, USA. Tel +1-414-288-6022, luis.almeida@ 123456marquette.edu
                Article
                10.4041/kjod.2015.45.6.333
                4664909
                26629479
                b1a4d31b-23a3-4427-8222-13e47112ccea
                © 2015 The Korean Association of Orthodontists.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 22 November 2014
                : 11 February 2015
                : 11 February 2015
                Categories
                Brief Report

                Dentistry
                class iii,dentofacial anomalies,growth and development,condylar hyperplasia,review
                Dentistry
                class iii, dentofacial anomalies, growth and development, condylar hyperplasia, review

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