Establishing H Angle Hard Tissue and H Angle Soft Tissue Norms in Skeletal Class I Malay Adult Females and the Correlation between the H Angles and Visual Perception of Laypersons.
| Autor: | Cheong JM; Department of Orthodontics, Kulliyyah of Dentistry, International Islamic University Malaysia, Kuantan, Pahang, Malaysia., A Halim NA; Dental Polyclinic, Kulliyyah of Dentistry, International Islamic University Malaysia, Kuantan, Pahang, Malaysia., Mohammad N; Dental Polyclinic, Kulliyyah of Dentistry, International Islamic University Malaysia, Kuantan, Pahang, Malaysia., Sivagnanam M; Department of Orthodontics, Kulliyyah of Dentistry, International Islamic University Malaysia, Kuantan, Pahang, Malaysia., Mohd Ibrahim MS; Department of Paediatric Dentistry and Dental Public Health, Kulliyyah of Dentistry, International Islamic University Malaysia, Kuantan, Pahang, Malaysia. |
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| Jazyk: | angličtina |
| Zdroj: | European journal of dentistry [Eur J Dent] 2024 Jul 16. Date of Electronic Publication: 2024 Jul 16. |
| DOI: | 10.1055/s-0044-1787005 |
| Abstrakt: | Objectives: This study aimed to establish the cephalometric norms of H angle soft tissue and H angle hard tissue of Malaysian Malay adult females, and to evaluate the correlation between H angles and visual perception in skeletal Class I Malay adult females. Materials and Methods: Eighty-five lateral cephalograms of skeletal Class I (mean ANB value = 3.15 ± 0.77) Malaysian Malay female patients aged 20 to 40 years (mean age = 28.6 ± 5.86 degrees) taken from October 2017 to December 2021 were measured for H angle soft tissue and H angle hard tissue. Twenty silhouettes were then converted from cephalometric films and were rated according to facial convexity/concavity by 20 laypersons, with re-evaluation after 2 weeks for intra- and interexaminer reliabilities. Results: The means of the H angle soft tissue and H angle hard tissue were 15.75 ± 4.16 degrees and 11.64 ± 4.71 degrees, respectively. The intraexaminer reliability test for visual perception ranged from -0.89 to 0.99 indicating poor to excellent reliability, whereas the interexaminer reliability test was 0.82 indicating good reliability. A highly statistically significant association between the H angle soft tissue and H angle hard tissue ( r = 0.938; p < 0.01) was found. There was no correlation between H angles and visual perception. Conclusion: The cephalometric norms of H angle hard tissue and H angle soft tissue in the Malaysian Malay female population were established: 11.64 degrees (±4.71 degrees) and 15.75 degrees (±4.16 degrees), respectively. There was a strong correlation between H angle soft tissue and H angle hard tissue among skeletal Class I Malay adult females. There was no correlation between H angles and the visual perception of laypersons. Competing Interests: None declared. (The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/).) |
| Databáze: | MEDLINE |
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