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Journal of Dental Research, Dental Clinics, Dental prospects، جلد ۹، شماره ۲، صفحات ۶۶-۷۱
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چکیده فارسی مقاله
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عنوان انگلیسی Locating mandibular foramen in children with mandibular retrognathism in mixed dentition
چکیده انگلیسی مقاله Background and aims. One of the most common reasons for the inferior alveolar nerve block anesthesia failure is the variation in mandibular foramen location. The aim of this study was to assess the location of mandibular foramen in children with mandibular retrognathism in comparison to children with normal skeletal occlusion in the mixed dentition. Materials and methods. One hundred and twenty panoramic radiographs of patients in mixed dentition period, undergoing orthodontic treatment, were selected based on inclusion criteria, skeletal occlusion and stage of dental development. The radiographs were divided into two groups: I: 60 panoramic radiographs of patients with normal skeletal occlusion (15 in each of the Hellman dental age stages); II: 60 panoramic radiographs of patients with mandibular retrognathism (15 in each of the Hellman dental age stages). The radiographs were traced and the linear distance from the mandibular foramen to the borders of the mandibular ramus and its angular position were identified. The measurements were compared between the two groups and among the four dental age groups by t-test, ANOVA and post hoc tests. Results. No statistically significant differences were found between the patients with normal skeletal occlusion and patients with mandibular retrognathism (P>0.05). Statistical tests showed significant differences in the vertical location of mandibular foramen and gonial angle between the four dental age groups (P< 0.05). Conclusion. Mandibular retrognathism does not have a significant impact on the location of the mandibular foramen in the mixed dentition period. The child’s dental age would be considered in the localization of the mandibular foramen.
کلیدواژه‌های انگلیسی مقاله Foramen, location, mandible, mixed dentition, retrognathism
نویسندگان مقاله مهرسا پاریاب | mehrsa paryab


مریم ahmadyar | maryam ahmadyar


نشانی اینترنتی http://dentistry.tbzmed.ac.ir/joddd/index.php/joddd/article/view/1642
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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