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PURPOSE The purpose of the present study was to evaluate the accuracy of navigation-assisted distraction osteogenesis of the mandible in a goat model. MATERIALS AND METHODS Six adult goats were included in the present study. A 3-dimensional (3D) image was reconstructed by performing computed tomography (CT) scans in 0.625-mm slices after placement of 5(More)
BACKGROUND A method for assessing dental maturity in different populations was first developed in 1973 by Demirjian and has been widely used and accepted since then. While the accuracy for evaluating dental age using Demirjian's method compared to children's chronological age has been extensively studied in recent years, the results currently available(More)
PURPOSE To evaluate the effectiveness of image-guided navigation on open reduction and orbital floor reconstruction as treatment for zygomatic-orbital-maxillary complex fractures. PATIENTS AND METHODS Six patients with zygomatic-orbital-maxillary complex fractures were enrolled in the present study. With preoperative planning and 3-dimensional simulation,(More)
Mid-gestational mammalian skin has unique capacity to heal without scar. Fetal skin undergoes phenotypic transition from scarless healing to scar repairing during embryonic development. However, the molecular mechanisms underlying the scarless phenotype and phenotypic transition remain largely unknown. MicroRNAs (miRNAs) are a novel class of small(More)
OBJECTIVE The objective of this study was to evaluate the bone resorption of alveolar bone grafting using LCBCT scan. STUDY DESIGN This was a prospective study. Nineteen patients with alveolar cleft were divided into 2 groups depending on the spontaneous eruption of the permanent tooth. All patients underwent alveolar bone grafting with iliac crest(More)
Craniofacial skeleton mainly originate from the cranial neural crest stem cells (CNCCs), which is a subpopulation of neural crest stem cells (NCCs). Dlx2, a member of the homeodomain family of transcription factors, plays crucial roles in the development of the CNCCs derived craniofacial skeleton. Previous reports reveal that Dlx2-targeted null mutation(More)
OBJECTIVE To determine the efficacy of a helium-oxygen mixture in children admitted to the pediatric intensive care unit with acute respiratory syncytial virus (RSV) bronchiolitis. DESIGN Randomized, double-blind, controlled, crossover study and nonrandomized, prospective study. SETTING A pediatric intensive care unit in a university hospital. (More)
OBJECTIVE The objective of this study was to evaluate changes in soft tissue in full-face view because of surgical correction of skeletal Class III malocclusion, using 3-dimensional (3D) laser scanning. METHODS Twenty-seven subjects with skeletal Class III malocclusion [11 males; mean age (SD), 24.0 (5.7) years] underwent bilateral sagittal split ramus(More)
Patients suffering from facial paralysis are on the hazard of disfigurement and loss of vision due to loss of blink function. Functional-electrical stimulation (FES) is one possible way of restoring blink and other functions in these patients. A blink restoration system for uni-lateral facial paralyzed patients is described in this paper. The system(More)