1.Comparison of anterior maxillary and mandibular alveolar parameters in African American and Caucasian women: A retrospective pilot study
Lauren RENAUD ; Vaibhav GANDHI ; Cailynn WEST ; Sudha GUDHIMELLA ; Nandakumar JANAKIRAMAN
Imaging Science in Dentistry 2021;51(2):175-185
Purpose:
The primary objective of this study was to analyze the thickness and height of alveolar bone around the maxillary and mandibular incisors. Additionally, this study aimed to compare bone parameters between Caucasian (CC) and African American (AA) female patients.
Materials and Methods:
In this retrospective pilot study, 50 female subjects (25 CC and 25 AA) were included. The inclusion criteria were AA or CC women between the ages of 18 and 50 with a normo-divergent facial pattern and Angle's class I, end-on class II, or mild class III malocclusion. The distance from the cementoenamel junction (CEJ) to the buccal and lingual alveolar crest; the alveolar ridge thickness at the mid-root and apex; and the buccal and lingual bone thickness at 3, 6, and 9 mm from the CEJ were measured.
Results:
No significant difference was found (P >0.05) in the cortical bone thickness at 3 mm, 6 mm, or 9 mm from the alveolar crest between CC and AA populations for most measurements. A significant difference in bone thickness was found (P<0.05) for the lingual surface of the central incisor, with maxillary bone thickness found to be higher than mandibular bone thickness. The measurements of lingual thickness were larger than those of buccal thickness for both races.
Conclusion
There were no differences in maxillomandibular anterior alveolar bone measurements between normo-divergent adult AA and CC women, except for a few parameters at varying locations. However, future studies can be planned based the current pilot study data, which may provide valuable information.
2.Autotransplantation: A biological treatment alternative for a patient after traumatic dental injury.
Meenakshi VISHWANATH ; Nandakumar JANAKIRAMAN ; Hamed VAZIRI ; Ravindra NANDA ; Flavio URIBE
The Korean Journal of Orthodontics 2018;48(2):125-130
Traumatic dental injury is considered a public dental health problem because of a high childhood incidence, high treatment costs, and prolonged treatment time. Although management guidelines for traumatized teeth have been outlined, tooth loss following trauma is occasionally unavoidable. Here, we describe the successful interdisciplinary management of a traumatized central incisor in an 11-year old boy that was extracted because of a poor prognosis and restored by the autotransplantation of an immature donor tooth into the site. The patient underwent orthodontic treatment in order to close the donor site space and bring the autotransplanted tooth to an ideal position. Postorthodontic treatment radiographs and photographs revealed an esthetic and functional natural tooth replacing the lost tooth. The findings from this case suggest that autotransplantation offers unique advantages as a treatment modality for the restoration of missing teeth, particularly in growing children.
Autografts*
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Child
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Growth and Development
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Health Care Costs
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Humans
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Incidence
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Incisor
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Male
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Prognosis
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Tissue Donors
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Tooth
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Tooth Loss
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Transplantation
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Transplantation, Autologous*