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Effects of long-term steroid therapy on the results of dental age estimation using pulp/tooth ratio.
J Forensic Odontostomatol
December 2024
Department of Medicine and Health Science "Vincenzo Tiberio", University of Molise, AgeEstimation Project, Campobasso, Italy.
Article Synopsis
- Forensic age estimation via dental radiographs can be inaccurate, particularly in long-term steroid users who show abnormal pulp chamber constrictions.
- A study assessed eight steroid users in their 30s to 40s, measuring pulp and tooth areas to estimate age through canine radiographs, revealing significant discrepancies between estimated and actual ages.
- The mean error was about 19-23 years, indicating that unusual pulp chamber findings could help infer a patient's medical history in forensic evaluations.
Soft palate angle and basihyoid depth increase with tongue size and with body condition score in horses.
Equine Vet J
January 2025
University of Liverpool, Leahurst Campus, Neston, UK.
Background: Obesity has been associated with human obstructive sleep apnoea and canine brachycephalic obstructive airway syndrome. The effect of body condition score (BCS) on structures of the oropharynx, nasopharynx and upper airway of the horse has not been investigated.
Objectives: To investigate the effect of BCS on tongue measurements, soft palate angle and basihyoid depth in horses.
Dentoalveolar characteristics in subjects with different anteroposterior relationships: a retrospective cross-sectional Cone-Beam Computed Tomography study.
BMC Oral Health
December 2024
College of Dental Medicine, QU Health, Qatar University, P.O. Box: 2713, Doha, Qatar.
Background: The collum angle, tooth dimensions, root length, and alveolar bone thickness have a significant impact on orthodontic diagnosis and treatment planning. The boundaries of orthodontic tooth movement are determined by alveolar bone thickness and dimensions while the collum angle determines the appropriate positioning of the root relative to the cortical plate. This study aimed to compare the collum angle, crown dimensions, root length, and alveolar bone thickness of the upper and lower incisors, canines, and premolars in subjects with varying anteroposterior relationships.
View Article and Find Full Text PDFExposed weapons: A revised reconstruction of the facial anatomy and life appearance of the saber-toothed cat Megantereon (Felidae, Machairodontinae).
Anat Rec (Hoboken)
December 2024
Departamento de Paleobiología, Museo Nacional de Ciencias Naturales-CSIC, Madrid, Spain.
Megantereon was a widespread saber-toothed felid from the Pliocene and Pleistocene of the Old World and North America, but its rarity in the fossil record makes it complicated to restore its life appearance. Lack of complete specimens makes it necessary to combine information from fossils of different individuals to reconstruct their facial anatomy. In this work, we combine the analysis of skulls and mandibles of Megantereon from various fossil sites with the study of extant carnivorans through dissection, 3D scans, and the observation of live individuals.
View Article and Find Full Text PDFBilateral inverse canine impaction: a case report.
J Med Case Rep
December 2024
School of Dentistry, China Medical University, Taichung, 404, Taiwan, Republic of China.
Background: Maxillary canine impaction can result in malocclusion, temporomandibular joint complications, and esthetic concerns, thus influencing craniofacial development. Although cases of impacted canines are not uncommon in clinical practice, the likelihood of simultaneous bilateral impaction is extremely low; very few reports have documented cases of bilaterally symmetrical, inversely impacted canines.
Case Presentation: This paper reports a rare case of maxillary canine impaction, a condition characterized by the abnormal eruption of teeth.
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