University of Khartoum

Anterioposterior Relationship of the Maxillary Central Incisors to the Forehead in a Sample of Sudanese Young Adults

Anterioposterior Relationship of the Maxillary Central Incisors to the Forehead in a Sample of Sudanese Young Adults

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Title: Anterioposterior Relationship of the Maxillary Central Incisors to the Forehead in a Sample of Sudanese Young Adults
Author: Alnageib, Saria Ibrahim Abdelbasit
Abstract: Background: Orthodontic diagnostic methods have been developed to help clinician better treat the patient to esthetically pleasing and harmonious profile as well as optimal functional occlusion. Traditionally, facial profiles have been evaluated using lateral cephalometrics and repose soft-tissue analysis, which have their drawbacks. The aim of this study is to evaluate and compare the anterioposterior relationship of the maxillary central incisors to the forehead in a sample of Sudanese young adults. Materials and Methods: This was a descriptive analytical study that included 114 lateral profile photographs of adults with good facial harmony (33 males and 81 females) as control group and 134 lateral profile photographs of adult patients seeking orthodontic treatment (34 males and 100 females) as study group. The photographs were taken under standard conditions with the subjects in posed smile with the maxillary incisors clearly visible. The images were resized and the reference lines were drawn to measure the anterioposterior position of the maxillary central incisors to the forehead as well as forehead inclination. Results: The forehead inclination was more upright in males than females and on comparing the data statistically, no significant difference was observed between the control and the study groups in forehead inclination (p=0.602). In the control sample, 51.8% had maxillary central incisors positioned ahead of glabella, 26.3%posterior to the FFA point, 21.9% between the FFA point and glabella. The position of the maxillary central incisors was strongly correlated with forehead inclination (P=0.000).In the study sample, 51.5% had maxillary central incisors positioned ahead of glabella, 29.1% between the FFA point and glabella, 19.4% posterior to the FFA point. The position of the maxillary central incisors was strongly correlated with forehead inclination (P=0.000).The difference between the mean for anterioposterior maxillary incisor position was statistically significant (P= 0.040). Conclusion: The forehead can be used as an important landmark for anterioposterior maxillary central incisors positioning for Sudanese young adult seeking improved facial harmony.
Description: 86 Pages
URI: http://khartoumspace.uofk.edu/123456789/24464


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