Differences in dental arch characteristics between genders in patients with suspected condylar hyperplasia in a North Sumatra subpopulation: a cross-sectional study

Background: Condylar Hyperplasia (CH) is a self-limiting mandibular condyle disorder that shows asymmetry progress conjunction with associated occlusal changes as long as condylar growth is still active and leads to facial asymmetry. This study aimed to evaluate dental arches by analyzing dental arch asymmetry and form in orthodontic patients with CH in a North Sumatra subpopulation. Methods: This is a retrospective study of suspected CH patient’s clinical records who sought for the initial orthodontic treatment between January 2015 to March 2019. Patient with facial asymmetry (based on photography, posterior cross bite and midline deviation), positive temporomandibular joint disorder in functional analysis, and no history of facial trauma were included in the study. Dental arch asymmetry was based on the measurement of dental midline deviation, canine tip in the dental arch, distance of the upper canines from the palatal suture, and inter canine distance. The evaluation of dental arch was achieved by comparing arch width and length. Results: There was a significant difference (p<0.05) of upper canine distance from the palatal suture in female patients when evaluating upper dental arch asymmetry. There was a moderate correlation (r=0.379) in midline deviation between upper and lower dental arch. The dimension and dental arch form was mid and flat, and there was moderate correlation (r=0.448) between the upper and lower dental arch form in these CH patients. Conclusion: The evaluation of dental arch symmetry and arch form showed asymmetric occlusal characteristics in orthodontics patient with CH in North Sumatera subpopulation. In treating these patients, we recommend the plaster cast evaluation as essential and routine procedure in order to understand the complexity of occlusal change due to active growth of condylar and limitation in radiography evaluation.

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Evaluation of dental arches in orthodontic patients with condylar hyperplasia in a North Sumatra subpopulation: a cross-sectional study

F1000Research ◽

10.12688/f1000research.22780.2 ◽

2020 ◽

Vol 9 ◽

pp. 263

Author(s):

Ervina Sofyanti ◽

Trelia Boel ◽

Denny Satria ◽

Zuriyah Fionita Ritonga ◽

Indah Hafniar Hasibuan

Keyword(s):

Facial Asymmetry ◽

Dental Arch ◽

Moderate Correlation ◽

Arch Form ◽

Significant Difference ◽

Orthodontic Patients ◽

Condylar Hyperplasia ◽

Clinical Records ◽

North Sumatra ◽

Dental Arch Form

Background: Condylar Hyperplasia (CH) is a self-limiting mandibular condyle disorder that shows asymmetry progress conjunction with associated occlusal changes as long as condylar growth is still active and leads to facial asymmetry. This study aimed to evaluate dental arches by analyzing dental arch asymmetry and form in orthodontic patients with CH in a North Sumatra subpopulation. Methods: This is a retrospective study of suspected CH patient’s clinical records who sought for the initial orthodontic treatment between January 2015 to March 2019. Patient with facial asymmetry (based on photography, posterior cross bite and midline deviation), positive temporomandibular joint disorder in functional analysis, and no history of facial trauma were included in the study. Dental arch asymmetry was based on the measurement of dental midline deviation, canine tip in the dental arch, distance of the upper canines from the palatal suture, and inter canine distance. The evaluation of dental arch was achieved by comparing arch width and length. Results: There was a significant difference (p<0.05) of upper canine distance from the palatal suture in female patients when evaluating upper dental arch asymmetry. There was a moderate correlation (r=0.379) in midline deviation between upper and lower dental arch. The dimension and dental arch form was mid and flat, and there was moderate correlation (r=0.448) between the upper and lower dental arch form in these CH patients. Conclusion: The evaluation of dental arch symmetry and arch form showed asymmetric occlusal characteristics in orthodontics patient with CH in North Sumatera subpopulation. In treating these patients, we recommend the plaster cast evaluation as essential and routine procedure in order to understand the complexity of occlusal change due to active growth of condylar and limitation in radiography evaluation.

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Mandibulary dental arch form differences between level four polynomial method and pentamorphic pattern for normal occlusion sample

Padjadjaran Journal of Dentistry ◽

10.24198/pjd.vol23no2.14021 ◽

2011 ◽

Vol 23 (2) ◽

Author(s):

Y. Yuliana ◽

Bergman Thahar ◽

Jono Salim ◽

Endah Mardiati

Keyword(s):

Orthodontic Treatment ◽

Dental Health ◽

Treatment Plan ◽

Radiographic Examination ◽

Polynomial Method ◽

Dental Arch ◽

Arch Form ◽

Normal Occlusion ◽

Significant Difference ◽

Dental Arch Form

The aim of an orthodontic treatment is to achieve aesthetic, dental health and the surrounding tissues, occlusal functional relationship, and stability. The success of an orthodontic treatment is influenced by many factors, such as diagnosis and treatment plan. In order to do a diagnosis and a treatment plan, medical record, clinical examination, radiographic examination, extra oral and intra oral photos, as well as study model analysis are needed. The purpose of this study was to evaluate the differences in dental arch form between level four polynomial and pentamorphic arch form and to determine which one is best suitable for normal occlusion sample. This analytic comparative study was conducted at Faculty of Dentistry Universitas Padjadjaran on 13 models by comparing the dental arch form using the level four polynomial method based on mathematical calculations, the pattern of the pentamorphic arch and mandibular normal occlusion as a control. The results obtained were tested using statistical analysis T student test. The results indicate a significant difference both in the form of level four polynomial method and pentamorphic arch form when compared with mandibular normal occlusion dental arch form. Level four polynomial fits better, compare to pentamorphic arch form.

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Is there any association between facial type and mandibular dental arch form in subjects with normal occlusion?

Acta Scientiarum Health Sciences ◽

10.4025/actascihealthsci.v36i1.17668 ◽

2014 ◽

Vol 36 (1) ◽

pp. 129

Author(s):

Luiz Renato Paranhos ◽

Adilson Luiz Ramos ◽

Eduardo De Novaes Benedicto ◽

Liliana Àvila Maltagliati ◽

Maurício De Almeida Cardoso ◽

...

Keyword(s):

Dental Arch ◽

Arch Form ◽

Normal Occlusion ◽

Facial Type ◽

Dental Arch Form

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The stability of the WALA Ridge as a landmark for determining dental arch form

10.33915/etd.2983 ◽

2010 ◽

Author(s):

Kolin E. Weaver

Keyword(s):

Dental Arch ◽

Arch Form ◽

The Stability ◽

Dental Arch Form

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Dental Arch form and Facial Growth Pattern in Healthy Children from Prehistoric Populations

The Journal of the American Dental Association and The Dental Cosmos ◽

10.14219/jada.archive.1938.0208 ◽

1938 ◽

Vol 25 (8) ◽

pp. 1278-1289 ◽

Cited By ~ 3

Author(s):

Wilton Marion Krogman

Keyword(s):

Growth Pattern ◽

Dental Arch ◽

Healthy Children ◽

Facial Growth ◽

Arch Form ◽

Dental Arch Form

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Establishment of Yemeni Dental Arch Form

Orthodontic Journal of Nepal ◽

10.3126/ojn.v3i2.10073 ◽

2013 ◽

Vol 3 (2) ◽

pp. 22-26

Author(s):

Nabil M Al-Zubair

Keyword(s):

Dental Arch ◽

Clustering Method ◽

Arch Form ◽

Arch Width ◽

Length Measurements ◽

Arch Forms ◽

Dental Arch Width ◽

Dental Cast ◽

Dental Arch Form

Objective: To assess the dental arch forms of Yemeni adult sample. Materials & Method: The Eucledian clustering method of analysis was utilized for the determination of dental arch form. A total of 398 study models were constructed and evaluated to do measurements for both arches using a modified sliding caliper gauge. Six dental cast measurements divided into three sagittal and three transverse measurements were utilized to represent the dental arch width and length measurements. Result: Narrow form is the most prevalent arch form (30.9%) followed by wide form (23.9%), their prominence appear more in females and the least prevalent arch form was the mid form (9.3%), while flat and pointed forms were in between 18.3% and 17.6% respectively. Conclusion: Five arch forms: narrow, wide, mid, pointed and flat were distinguished as unique forms for the dental arches, with the predominance of the narrow arch form were found among Yemeni adults.

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