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Radiation Exposure in Concurrent Abdominoplevic and Chest CT Scans: An Analysis of Overlap and Clinical Impact.
J Radiol Prot
January 2025
Department of Biostatistics, Soon Chun Hyang University Hospital Bucheon, Bucheon, Gyeonggi-do, Korea (the Republic of).
This study investigated the additional radiation exposure, influencing factors, and clinical significance of overlapping Z-axis coverage in abdominopelvic CT scans performed consecutively after same-day chest CT scans. Data from 761 patients were analyzed, with measuring the total and overlapping Z-axis coverage of the portal venous phase in abdominopelvic CT scans. The average overlapping portion was 33.
View Article and Find Full Text PDFBiologically-oriented alveolar ridge preservation to correct bone dehiscence at immediate implant placement.
Clin Adv Periodontics
January 2025
Operative Unit of Dentistry, Azienda Unità Sanitaria Locale, Ferrara, Italy.
Background: The purpose of the present case study is to describe the application of a modification of the Biologically-oriented Alveolar Ridge Preservation (BARP) principles in cases of peri-implant bone dehiscence (PIBD) due to a compromised alveolus at immediate implant placement (IIP).
Methods: The technique is based on the stratification of three layers: a deep layer with a collagen sponge (CS) in the apical part of the alveolus (where the buccal bone plate was still present) to support the blood clot; a graft layer to correct the PIBD; and a superficial collagen layer to cover the graft thus providing space and enhancing clot/graft stability. Healing was obtained by primary closure.
Double-vestibular incision subperiosteal tunnel access (double-VISTA) with connective tissue graft for treating multiple gingival recessions: 2-year follow-up.
Clin Adv Periodontics
January 2025
Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, USA.
Background: Gingival recession has a multifactorial etiology, involving various predisposing and precipitating factors. Non-carious cervical lesions (NCCLs) are often associated with gingival recession and pose challenges due to their complex pathodynamics. There is limited evidence regarding tunnel-based procedures combined with connective tissue grafts (CTGs) for treating recession-associated NCCLs.
View Article and Find Full Text PDFWhat Is the Mechanism by which the Introduction of Amorphous SeO Effectively Promotes Urea-Assisted Water Electrolysis Performance of Ni(OH)?
Small
January 2025
College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, P. R. China.
Nickel hydroxide (Ni(OH)) is considered to be one of the most promising electrocatalysts for urea oxidation reaction (UOR) under alkaline conditions due to its flexible structure, wide composition and abundant 3D electrons. However, its slow electrochemical reaction rate, high affinity for the reaction intermediate *COOH, easy exposure to low exponential crystal faces and limited metal active sites that seriously hinder the further improvement of UOR activities. Herein it is reported electrocatalyst composed of rich oxygen-vacancy (O) defects with amorphous SeO-covered Ni(OH) (O-SeO/Ni(OH)).
View Article and Find Full Text PDFPrimary-lobe-based trilobed and quadrilobed flaps for reconstruction of nasal tip skin defects.
JPRAS Open
March 2025
Department of Plastic and Craniofacial Surgery, MITERA Hospital, Hellenic Healthcare Group (HHG), 6 Erithrou Stavrou str., 151 23 Maroussi, Attica, Greece.
Background: Despite a variety of principles proposed for drawing trilobed and quadrilobed flaps for the reconstruction of nasal skin defects, the application of these principles in a detailed and reliable way remains questionable.
Methods: We present a novel method for drawing trilobed and quadrilobed flaps to cover nasal tip skin defects. The method is based on the use of templates corresponding to four trilobed flaps with overall angles of 60°, 70°, 80°, and 90°, and two quadrilobed flaps with angles of 90° and 105°.
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