Mar 12, 2012 ch2 usually occurs in the form of ulinaterial and features an enlargement of the head of the condyle. Unilateral condylar hypoplasia and treatment modalities. Mandibular condylar hyperplasia is a disease where excessive growth of mandibular condyle, ramus and body elicits facial asymmetry. One hundred fortynine patients who underwent mandibular 99 tc mmdp spect between january 2009 and december 2012 were studied, including 105 cases that were clinically suspected of uch and 44 comparable cases without uch as a control group. The neck of the condyle increases in thickness and height of the condyles ramus it also features the downwards growth of the ipsilateral maxilla this form of hyperplasia of the mandibular condylemandibular condylar hyperplasia can happen at any age,however this form of hyperplasia is not.
Oct 12, 2017 unilateral condylar hyperplasia most frequent postnatal anomaly of growth of the tmj prevalence 2 f. In literature, the terms condylar hyperplasia and condylar hyperactivity are both used for the same disease. Among the patients with transverse ch, 5 had deformed condyles 17. Condylar hyperplasia ch can be defined as the excessive growth of one condyle over the contralateral, causing an increase in bone mass of varying degree in instances where the subjects growth has decreased or ceased. The design a and mandible b files were ready for surgical navigation.
The hospital stay was 24 hours or less in 12 of the cases and was 12 hours or less in two cases. The purpose was to report the clinical experience with patients diagnosed with condylar hyperplasia ch. Oct 14, 2012 unilateral condylar hyperplasia most frequent postnatal anomaly of growth of the tmj prevalence 2 f. Condylar hyperplasia is more commonly seen in females than in males due to the association between sexual hormones and growth of the condyle 7, 8. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Facial asymmetry is often the reason that patients present for treatment of the disorder. Mandibular condylar hyperplasia is a disorder of unknown etiology characterized by persistent or accelerated growth of the condyle when growth should be slowing or ended.
Mandibular condylar hyperplasia msd manual professional edition. Oct 27, 2014 condylar hyperplasia is an uncommon malformation of the mandible involving change in size and morphology of the condylar head and neck. Mandibular condylar hyperplasia dental disorders merck. The cause of condylar hyperplasia is unknown but may result from circulatory abnormalities, previous trauma, hormonal disturbances, abnormal joint loading, genetic alterations, and as representing a cartilaginous exostosis 57. This case report describes a patient with right condylar hyperplasia associated with dentofacial deformity who was treated. Mandibular condylar hyperplasia ch is a condition that causes excessive growth of the condylar head and neck, as well as the mandible, creating functional and cosmetic deformities of the face and jaw. Eighteen patients with ch underwent condylar growth assessment using clinical and radiographic examinations. Unilateral condylar hyperplasia uch is a rare disorder that has been researched and discussed in numerous publications. Mandibular condylar hyperplasia condylar hyperplasia ch is a generic term describing enlargement of the condyle. Bone scintigraphy spectct evaluation of mandibular. Ch causes an overdevelopment in the mandible and condyle. Mandibular condylar hyperplasia ch is a rare entity. Pdf unilateral condylar hyperplasia is a rare disease that causes facial asymmetry as a result of excessive vertical or horizontal growth.
Mandibular condylar hyperplasia was first described by robert adams in 1836, while describing a case of rheumatoid arthritis 1. This may result in the development or worsening of a. Rowe characterized unilateral condylar hyperplasia as being associated with. To investigate the clinical value of 99 tc m mdp spect for the diagnosis of unilateral condylar hyperplasia uch. Case report unilateral mandibular condylar hyperplasia. Detailed case history, clinical and radiographic examination plays an important role in establishing an accurate. Bone scintigraphy spectct evaluation of mandibular condylar. The condition causes facial asymmetry, deviation of the jaw, occlusal. A classification system for conditions causing condylar.
Ch type 1 patients may have a class i occlusion at the beginning of puberty and develop into a class iii or begin as a class iii but develop a worse class iii relationship with accelerated mandibular growth that can continue into the mid 20s, although it is eventually selflimiting. Unilateral condylar hyperplasia most frequent postnatal anomaly of growth of the tmj prevalence 2 f. The patient was treated with a combined orthodontic and surgical approach. Facial asymmetry condylar hyperplasia or condylar hypoplasia. C, in condylar hyperplasia type 1 with deviated prognathism and in condylar hyperplasia type 2, the contralateral joint may show a displaced articular disc. Hypoplasia of mandible can be diagnosed during birth, in comparison to the hyperplasia which is. Condylar hyperplasia ch is a pathological condition characterized by progressive overgrowth involving the condylar head or neck, mandibular body, ramus, or a combination of these. View full size version of unilateral condylar hyperplasia probable. Condylar hypoplasia is known as underdevelopment of the mandibular condyle. July, 2016 abstract mandibular condylar aplasia or hypoplasia is an anomaly which usually manifests in association with various. Image of choice for diagnosis the panoramic radiograph is the initial screening. Pdf unilateral condylar hyperplasia uch is a disorder of unknown etiology mainly seen in growing patients, which results in facial. Mandibular hyperplasia is defined by the developing of an abnormal condylar growth pattern. Click, drag, and drop to reorder files or press delete to remove any content you dont want.
Condylar hyperplasia, facial asymmetry, tmj introduction excessive unilateral condylar growth is a wellknown phenomenon that has been previously described 1. Longino department of radiology, louisiana state university health sciences centeruniversity health, shreveport, louisiana mandibular condylar hyperplasia ch is a complex developmental deformity resulting in asymmetries of the. Longino department of radiology, louisiana state university health sciences centeruniversity health, shreveport, louisiana mandibular condylar hyperplasia ch is a complex develop. Condylar hyperplasia ch is a selflimiting pathologic condition that produces severe facial deformity at the expense of mandibular asymmetry. Uvadare digital academic repository unilateral condylar. There are a number of different condylar pathologies that enlarge the mandibular condyle, with subsequent adverse effects on the morphology and function of the tmj and mandible. The following data were retrieved from the relevant articles and entered into an excel spreadsheet. Wolford, dmd, pushkar mehra, bds, dmd, oscar reichefischel, dds, carlos a. Efficacy of high condylectomy for management of condylar. The patient reported to the department with a chief complaint of underdeveloped lower jaw. Excessive unilateral condylar growth is a wellknown phenomenon that has been previously described.
Condylar hyperplasia is an uncommon malformation of the mandible involving change in size and morphology of the condylar head and neck. Condylar hyperplasia ch is a rare disorder characterized by excessive bone growth that almost always presents unilaterally, resulting in. Seven patients with suspected active condyles underwent single photo emission computed tomography spect examination. Mandibular hyperplasia symptoms, causes, and surgical.
One theory states that an event of a trauma leading to increase in number of repair mechanism and hormones in that area may lead to increase in growth of mandible on that side. Linear measurements were taken of the condylar morphology on the sagittal and coronal planes, establishing the size of the articular fossa, mandibular ramus, and other aspect s. Owing to the complexity of the treatment of condylar hyperplasia associated with dentofacial deformities, with the accompanying risk of complications resulting from surgical trauma to adjacent anatomic structures, the surgeon can make use of piezosurgery. Condylar hyperplasia ch is a generic term describing conditions that cause excessive growth and enlargement of the mandibular condyle. There are many suggested etiologies of ch, including. Surgical treatment of condylar hyperplasia associated with. Hemimandibular hyperplasia correction by simultaneous. Mandibular condylar hypoplasia dental disorders msd. Conclusion treatment of condylar hyperplasia with a combined orthodontic and surgical approach including condylectomy yield good aesthetic and functional outcomes. The clinical characteristics of condylar hyperplasia. High condylectomy for the treatment of mandibular condylar.
Case report unilateral mandibular condylar hyperplasia ohri n1, dhiman i2, dhiman u3, uppal p4 abstract mandibular condylar hyperplasia is a relatively rare condition with uncertain etiology affecting the condylar head, neck and many a times body and ramus of mandible. Guidelines for medical necessity determination for. Condylar head deformity did not correlate with any type of hyperplasia. Careful history, clinical and radiographic examination is needed for the diagnosis of this condition and has to be differentially dignosed from conditions such as hemifacial hypertrophy, unilateral micrognathia, osteoma, osteosarcoma etc.
Condylar hyperplasia, facial asymmetry, condylectomy introduction facial asymmetry is a common condition in different populations 1 and it can be identified through such methods as facial analysis, 2d or 3d imaging or bone scintigram 2, allowing comparison between the right and left sides to determine the degree of asymmetry. In conclusion, our findings indicate that ch may occur at any age, it does not stop at the end of the growth period, it is more prevalent in females, and its laterality is genderdependent. This clinical report documents a 63yearold chinese female who was. Mandibular condylar hypoplasia dental disorders merck.
Unilateral condylar hypoplasia and treatment modalities abhishek mishra, anisha maria department of oral and maxillofacial surgery, rishiraj college of dental sciences, bhopal received. Rearrange individual pages or entire files in the desired order. Condylar hyperplasia ch can be defined as the excessive growth of one condyle over the contralateral, causing an increase in bone mass of varying degree in instances. Condylar hyperplasia ch is a rare disorder characterized by excessive bone growth that usually presents unilaterally, resulting in facial asymmetry. It occurs preferably between 10 and 30 years of age, however there are reports of cases.
Sep 20, 2016 owing to the complexity of the treatment of condylar hyperplasia associated with dentofacial deformities, with the accompanying risk of complications resulting from surgical trauma to adjacent anatomic structures, the surgeon can make use of piezosurgery. The condition is characterized by an asymmetry in the lower part of the face, due to persistent or renewed activity resembling growth in one of the mandibular condyles 1. Unilateral condylar hyperplasia probable radiology case. Mandibular condylar hyperplasia dental disorders msd. Unilateral condylar hyperplasia probable radiology. Condylar hyperplasia is a pathologic condition that represents excessive growth and enlargement of the mandibular condyle andor body, resulting in mandib ular prognathism, facial asymmetry, or. Congenitally primary caused condylar hypoplasia leads to underdeveloped condyle at birth. Unilateral condylar hyperplasia uch of the mandible is the most common growth disorder of the mandibular condyle. Original article facial asymmetry and condylar hyperplasia. One hundred fortynine patients who underwent mandibular 99 tc m mdp spect between january 2009 and december 2012 were studied, including 105 cases that were clinically suspected of uch and 44 comparable cases without uch as a control group. Condylar hyperplasia ch is a generic term describing enlargement of the condyle.
The neck of the condyle increases in thickness and height of the condyles ramus it also features the downwards growth of the ipsilateral maxilla this form of hyperplasia of the mandibular condylemandibular condylar hyperplasia can happen at any age,however this form of hyperplasia is. Aplasia of condyle is very rare, when this condition not seen as a part of a syndrome. Pdf surgical treatment of unilateral condylar hyperplasia with. Pdf true unilateral condylar hyperplasia ch of mandible including its variants is an uncommon maxillofacial deformity. Bilateral condylar hyperplasianonsurgical management. The disease usually occurs unilaterally, it occurs between 10 and 30 years of age.
Ch2 usually occurs in the form of ulinaterial and features an enlargement of the head of the condyle. Several theories exist in literature which related to the cause of condylar hyperplasia. Condylar hyperplasia free download as powerpoint presentation. Hyperplasia indicates the increased production and growth of normal cells in a tissue or organ without an increase in the size of the cells, but the affected part becomes larger yet retains its basic form. It is a temporomandibular joint tmj pathology where there is excessive mandibular growth, in general unilaterally, which leads to esthetic and functional problems 2. Condylar hyperactivity is a condition triggered by an imbalance in bone growth factors, which causes facial asymmetry. Condylar hyperplasia is a disorder characterized by excessive and. Mandibular condylar hypoplasia is facial deformity caused by a short mandibular ramus. Loli d, coppotelli e, toni b, costantini a, germano f, coppotelli e. Condylar hyperplasia ch is a complex deformity affecting the condyle and the mandible.
This is a series of five such patients managed at our centre. You can merge pdfs or a mix of pdf documents and other files. Condylar hyperplasia is a rare, nonneoplastic change in the size and shape of the condyle. In cases where such a medical condition disorders and dysfunctions is not present, the provider may submit additional supporting evidence to demonstrate that the requested service.
Bone scintigraphy spectct evaluation of mandibular condylar hyperplasia zhiyun yang, tameron reed, and becky h. We report a case of condylar aplasia on the right side and hypoplasia on the left side in a 21yearold female. This condition usually results from trauma, infection, or irradiation occurring during the growth period but may be idiopathic. Asymmetric conditions attributed to condylar hyperplasia of the mandible were first reported by adams in 1836. Feb 04, 2011 condylar hyperplasia of mandible is overdevelopment of condyle, unilaterally or bilaterally, leading to facial asymmetry, mandibular deviation, malocclusion and articular dysfunction. D, e, in condylar hyperplasia type 2b magnetic resonance image from case 3, the articular disc is seen in position in the closed and open views. Click add files and select the files you want to include in your pdf. To investigate the clinical value of 99 tc mmdp spect for the diagnosis of unilateral condylar hyperplasia uch. Classification of the different types of ch can differ depending on the authors. Clinical examination, conventional radiographs, and 3d cbct images revealed complete absence of condyle on. Condylar hyperplasia of mandible is overdevelopment of condyle, unilaterally or bilaterally, leading to facial asymmetry, mandibular deviation, malocclusion and articular dysfunction.