A Radiographic Assessment Of The Prevalence And Pattern Of Dental Agenesis In A Nigerian Population.
Objective: Dental agenesis is responsible for dental presentation for orthodontic, restorative andprosthodontic reasons. This study presents the prevalence and pattern of permanent tooth agenesis ina group of Nigerian patients.Methods: Orthopantomograms of orthodontic patients were assessed for miss...
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| Κύριοι συγγραφείς: | , , |
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| Μορφή: | Online |
| Έκδοση: |
International Association for Dental Research (Nigeria Division)
2018
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| Διαθέσιμο Online: | https://ajoh.oauife.edu.ng/index.php/ajoh/article/view/34 |
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| Περίληψη: | Objective: Dental agenesis is responsible for dental presentation for orthodontic, restorative andprosthodontic reasons. This study presents the prevalence and pattern of permanent tooth agenesis ina group of Nigerian patients.Methods: Orthopantomograms of orthodontic patients were assessed for missing permanent teeth.Demographic data were obtained, and the prevalence and pattern of individual tooth agenesispresented. The relationship between dental agenesis and gender, jaw as well as side affected wasassessed using the Chi-square test while the Student's T-test was used to assess the variation in the numberof missing teeth across the genders. Data were analyzed using the SPSS version 22. Statisticalsignificance was set at p<0.05.Results: Tooth agenesis including third molars was observed in 37(17.1%) while exclusion of the thirdmolars gave an agenesis prevalence of 10.2% in 22 patients. There was no significant difference in theprevalence of dental agenesis based on gender whether third molars were considered or not (p=0.77and p=0.37). There was no significant difference in the mean number of missing tooth per person based ongender whether third molars were considered (p=0.12) or excluded from analysis (p=0.26). There was a significant difference in the type of tooth involved in agenesis and the arch affected (p=0.01).Conclusion: The prevalence of dental agenesis among this group of patients is comparable with thatfrom other populations. Excluding third molars, incisors are more predisposed to agenesis in themaxilla, while premolars are more likely not to develop in the mandible. |
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