Correlation between vertical components and skeletal Class II malocclusion in ethnic Javanese
I Gusti Aju Wahju Ardani1, Ira Willyanti2, Ida B Narmada1
1Orthodontic Department, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia, wahju_ardani@fkg.unair.ac.id.
Clinical, Cosmetic and Investigational Dentistry
|December 28, 2018
Summary
Vertical components correlate with Class II malocclusion. A larger ANB angle is associated with increased lower gonial angle (Go2), worsening this skeletal malocclusion.
Area of Science:
- Orthodontics
- Dental Morphology
- Cephalometrics
Background:
- Class II malocclusion presents complex dentoskeletal morphology.
- Understanding vertical components is critical for effective orthodontic diagnosis and treatment planning.
- Accurate facial typing is essential for diagnosing skeletal malocclusions.
Purpose of the Study:
- To investigate the correlation of vertical components in Class II skeletal malocclusion.
- To analyze the relationship between specific vertical measurements and the severity of Class II malocclusion.
Main Methods:
- Observational descriptive study utilizing lateral cephalograms of Class II malocclusion patients.
- Cephalometric analysis performed using digital software, measuring gonial angles (Go, Go1, Go2), Yaxis-SN angle, anterior and posterior face heights.
- Pearson correlation test applied to analyze the relationships between variables (P<0.01).
Main Results:
- A significant correlation was found between vertical components and Class II skeletal malocclusion.
- Specific vertical measurements showed significant relationships with the Class II skeletal pattern.
Conclusions:
- Vertical components are indeed correlated with Class II skeletal malocclusion.
- An increased ANB angle is associated with a greater lower gonial angle (Go2), indicating a worsening of the Class II skeletal malocclusion.
- These findings highlight the importance of assessing vertical facial patterns in the diagnosis and management of Class II malocclusion.
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