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Clinical and imaging features of melanotic neuro-ectodermal tumor of infancy of the maxillary bone: report of four cases and review of the literature.
Oral Radiol
October 2022
Department of Stomatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China.
Article Synopsis
- Melanotic neuro-ectodermal tumor of infancy (MNTI) is a rare tumor that typically occurs in infants under 6 months old, characterized by a rapidly-growing, non-ulcerated soft tissue swelling with pigmented mucosa.
- A study of four patients revealed distinctive imaging features using ultrasound, CT, and MRI, including osteolytic maxillary bone destruction and specific signal intensities on MRI scans.
- Recognizing the imaging characteristics along with clinical history is essential for diagnosing MNTI, as there are no signs of metastasis in affected patients.
Clinical insights into the three-dimensional anatomy of cheek teeth in alpacas based on micro-computed tomography - Part 2: Maxillary cheek teeth.
BMC Vet Res
January 2022
Department of Surgery and Anesthesiology of Domestic Animals, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
Background: Scientific knowledge regarding alpaca dentistry is relatively limited despite its clinical implications. The present gap in available supportive data leads to limited treatment options for dental pathology in alpacas in comparison to other species. The main goal of this study was to gain novel insights into the general and pulp morphology of maxillary cheek teeth to allow development of more advanced treatment strategies in the future.
View Article and Find Full Text PDFMethodology for Free-Floating Organ Culture of Mid-gestation Maxillary Primordial Tissue.
Methods Mol Biol
January 2022
La Trobe University, Bundoora, VIC, Australia.
Craniofacial defects, such as cleft palate, are prevalent congenital malformations that present an interesting research challenge due to the complex and multifactorial nature of their etiology. In vitro modeling of craniofacial morphogenesis provides valuable insight into the developmental processes critical to the presentation of these conditions. One such technique, termed a submerged or free-floating organ culture, allows culturing and observation of isolated craniofacial tissue without the need for specialized supporting equipment.
View Article and Find Full Text PDFFloating norms for individualising the ANB angle and the WITS appraisal in orthodontic cephalometric analysis based on guiding variables.
J Orofac Orthop
January 2023
Department of Orthodontics, University Hospital Regensburg, 93053, Regensburg, Germany.
Purpose: The sagittal skeletal relationship of maxilla and mandible (skeletal class) can generally be determined via lateral cephalograms (ANB angle or Wits appraisal) by comparing measurements to empirical norms based on the respective population mean. However, values differing from these empirical norms also enable a therapeutically desired, normal class I occlusion depending on individual craniofacial pattern, thus requiring floating norms based on guiding variables. As available regression equations consider only few predictor variables and are not up-to-date regarding a contemporary patient collective, the aim of this study was to establish improved and extended regression equations for individualising the ANB angle and Wits appraisal.
View Article and Find Full Text PDFUnisystem Langerhans cell histiocytosis in maxillofacial region in pediatrics: comprehensive and systematic review.
Oral Maxillofac Surg
December 2021
Department of Dentistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.
Background: The study aimed to identify, enlist, and analyze cases of unisystem LCH in the maxillofacial pediatric population to understand the clinical presentation and encourage the consideration of this rare disease in the differential diagnosis. Langerhans cell histiocytosis (LCH) is an aggressive benign condition affecting mainly the pediatric population. It can be easily masked as periodontal disease in the maxillofacial region.
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