Abstract
Background: The facial midline and dental midline play an important role in facial esthetics, cosmetic dentistry, facial plastic surgery, and anthropologic studies. Objective: This study studied the dental-facial midline in Nepalese subjects and to classify the midline. Methods: The study was conducted in 150 Nepalese subjects, mostly consisting of University students (80 males and 70 females). After obtaining ethical approval, facial and dental midlines were analyzed using a scale. Results: It showed 26 (18%) study subjects showed the coincidence of the facial midline with the maxillary and mandibular dental midlines. It showed that only 44 (30%) subjects showed the coincidence of facial midline with only maxillary dental midline, and 26 (17%) subjects showed the facial midline coincidence with only mandibular dental midline. The dental midline discrepancy was more prevalent in the maxillary arch and more prevalent on the right side. Midline discrepancy is seen more in males compared to females. The majority of the deviation showed 1 mm, followed by 2 mm, and 3 mm. Conclusion: The coincidence of the facial midline with both the maxillary and mandibular dental midlines is uncommon. Midline discrepancy is seen more in males compared to females. The majority of the subjects show a mild discrepancy of 1 mm. The midline discrepancy was more seen on the right side and in the maxillary arch.
Highlights
Facial esthetics is an inherently subjective discipline
Midline discrepancy is seen more in males compared to females
The majority of the subjects show a mild discrepancy of 1 mm
Summary
Facial esthetics is an inherently subjective discipline. The facial midline and dental midline play an important role in facial esthetics, cosmetic dentistry, facial plastic surgery, and anthropologic studies [1, 2]. Facial and dental midlines greatly vary, and their deviation is seen among the people. Dentists and non-dental personnel can notice the deviations of facial and dental midlines. Facial and dental midlines can be located and examined clinically in patients or in 2D photographs [5, 6]. Various reference points on the face can be used to locate the midline and examine the midline deviations [7]. The dentalfacial (dento-facial) midline have not been fully investigated, and there is no standard classification of midline deviation. This study aimed to study the face and dental midline and to classify the dental-facial midline using Nepalese subjects.
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