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Updated: Jun 25, 2026
07:32
Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
Published on: February 23, 2024
Concurrence between the maxillary midline and bisector to the interpupillary line
Evania Eskelsen1, Camila Borges Fernandes, Fernanda Pelogia
1Department of Dentistry, University of Taubate, Taubate, SP, Brazil. eveskelsen@uol.com.br
Summary
Facial symmetry is crucial for successful esthetic dental treatments. This study found no significant correlation between the bipupillary midline and maxillary dental midline in dental students, emphasizing individualized assessments for oral rehabilitation.
Area of Science:
- Dentistry
- Facial Aesthetics
- Anthropometry
Background:
- Facial symmetry significantly impacts perceived facial harmony and esthetic outcomes in dental rehabilitation.
- Establishing reliable facial landmarks is essential for accurate treatment planning in restorative dentistry.
Purpose of the Study:
- To investigate the axial symmetry between the bipupillary midline and the maxillary central incisors midline.
- To assess the correlation of this symmetry in relation to gender among dental students.
Main Methods:
- Photographic analysis of 102 dental students (both genders) with natural dentition and no prior dental treatment.
- Utilized a Dental Eye III camera and Microsoft Office PowerPoint 2007 for image analysis.
- Statistical analysis included analysis of variance and Student's t-test at alpha = 0.05.
Main Results:
- No statistically significant correlation was found between the bipupillary midline and the maxillary dental midline.
- This lack of correlation was consistent across both genders.
Conclusions:
- The interpupillary line and dental midline do not significantly coincide in the studied population.
- While interpupillary distance can serve as a reference, individual patient measurements are critical for esthetic oral rehabilitation planning.
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