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Mandibular incisors angulation and position among various vertical facial patterns: An artificial intelligence-based
Nada Mohammed Aloufi1, Faris Saleh Al Qazlan1, Ahmed Ali Alfawzan1
1Department of Orthodontic and Pediatric Dentistry, College of Dentistry, Qassim University, Kingdom of Saudi Arabia.
Bioinformation
|May 5, 2025
Summary
The study found that mandibular incisor position and angulation differ significantly across vertical growth patterns. Vertical growers show more proclination and protrusion, while horizontal growers exhibit retroclination and retrusion.
Area of Science:
- Orthodontics and Dental Anthropology
- Craniofacial Growth Analysis
Background:
- Mandibular incisor position and angulation are crucial for orthodontic diagnosis, treatment planning, and retention.
- Understanding variations in incisor positioning relative to different vertical facial growth patterns is essential for effective orthodontic care.
Purpose of the Study:
- To evaluate the position and angulation of mandibular incisors in relation to distinct vertical facial growth patterns.
- To identify specific incisor characteristics associated with hyperdivergent (vertical) and hypodivergent (horizontal) growth types.
Main Methods:
- Analysis of 103 cephalograms from untreated individuals using artificial intelligence-based Webceph software.
- Quantitative assessment of mandibular incisor position (protrusion) and angulation (proclination/retroclination).
Main Results:
- The vertical growth pattern group exhibited the highest values for mandibular incisor position and angulation.
- The horizontal growth pattern group showed the lowest values for mandibular incisor position and angulation.
- Mandibular incisors are significantly more proclined and protruded in individuals with a vertical growth pattern compared to those with a horizontal growth pattern.
Conclusions:
- Mandibular incisor orientation varies distinctly with vertical facial growth patterns.
- Greater proclination and protrusion of mandibular incisors are characteristic of the vertical growth pattern.
- Increased retroclination and retrusion of mandibular incisors are associated with the horizontal growth pattern.
