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[Planning of occlusal load in designing the occlusal surface of posterior teeth based on 3D analysis].
Stomatologiia (Mosk)
December 2024
Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia.
The Aim Of The Study: Was to determine the possibility of calculating the parameters of the occlusal surface of fixed dentures.
Materials And Methods: An analysis of dependence between the area of the occlusal surface and the area of the support structures (tooth root/implant), between the severity of the occlusal relief (tubercles of teeth) on the length of the root/implant was carried out.
Results: The nearness of the Kurlandsky periodontal coefficients and Oksman masticatory coefficients with the calculated coefficients obtained on the basis of 3D analysis of the lateral teeth anatomy has been established.
Comparison of pulmonary and aortic root and cusp dimensions in normal adults using computed tomography: potential implications for Ross procedure planning.
Interdiscip Cardiovasc Thorac Surg
December 2024
Department of Cardiac Surgery, Hospital Universitario Quironsalud, Madrid, Spain.
Objectives: The Ross procedure is currently receiving renewed interest. Its function and durability depend on preservation of pulmonary valve anatomy; limited data exist on normal pulmonary valve geometry. The objective was to compare aortic and pulmonary root and cusp dimensions in adults with normal tricuspid aortic and pulmonary valves.
View Article and Find Full Text PDFFlorida sleeve procedure for type II aortic regurgitation with aortic root enlargement: a case report.
Gen Thorac Cardiovasc Surg Cases
February 2024
Division of Cardiovascular Surgery, Department of Cardiovascular Surgery, Tokuyama Central Hospital, Yamaguchi, Japan.
Background: Florida sleeve procedure is an operative technique for aortic root reconstruction that offers advantages such as reduced bleeding risk, shorter operation time, and improved formation of the atrioventricular junction (AVJ) and sinotubular junction (STJ). In our department, we perform a Florida sleeve procedure for aortic regurgitation (AR) associated with aortic root enlargement of less than 40 mm in diameter of the Valsalva sinus. Here, we present a case of severe type II AR with aortic root enlargement where we successfully performed Florida sleeve procedure and augmented it with autologous pericardium.
View Article and Find Full Text PDFA new Late Cretaceous metatherian from the Williams Fork Formation, Colorado.
PLoS One
October 2024
Department of Geological & Environmental Sciences, Appalachian State University, Boone, North Carolina, United States of America.
Heleocola piceanus, a new, relatively large metatherian from Upper Cretaceous ('Edmontonian') strata of the Williams Fork Formation in northwestern Colorado is described, based on a recently discovered jaw fragment (MWC 9744), in addition to three isolated teeth initially referred by other studies to Aquiladelphis incus and Glasbius piceanus. Although sharing several morphologic characters with the Lancian genus Glasbius, H. piceanus lower molars are considerably larger than those of Glasbius and differ from the latter in lacking a buccal cingulid, possessing carnassiform notches on the cristid obliqua and entocristid, and bearing an entoconulid on m3.
View Article and Find Full Text PDFOnset and progression of dental erosion in a mouse model.
Acta Odontol Scand
September 2024
Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway; Department of Public Health and Sport Sciences, Inland Norway University of Applied Sciences, Elverum, Norway.
Objective: Purpose of this research was to examine the onset, progression and wear rates of dental erosion in an established mouse model.
Material And Methods: Dental erosion in mice was experimentally induced, and the acidic effects of cola drink on their teeth after 2, 4 and 6-weeks were closely analysed by scanning electron microscopy. The tooth height and enamel or dentin loss were established.
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