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Τετάρτη 30 Μαρτίου 2022

Air polishing or hand and/or power-driven instruments in supportive periodontal therapy

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This review of air polishing devices (APDs) in comparison with hand instruments and/or power-driven instruments in supportive periodontal treatment and implant maintenance included 6 RCTs. 4 of the 6 included studies were considered to be at high risk of bias so the findings should be interpreted cautiously.

The post Air polishing or hand and/or power-driven instruments in supportive periodontal therapy appeared first on National Elf Service.

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The implicated clinical factors for outcomes in 304 patients with salivary duct carcinoma: Multi‐institutional retrospective analysis in Japan

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Abstract

Background

Salivary duct carcinoma (SDC) is a high-grade salivary malignancy that frequently occurs as the carcinomatous component of carcinoma ex pleomorphic adenoma. We herein examined the clinical factors affecting outcomes in a large cohort of SDC.

Methods

We selected 304 SDC cases and investigated clinical characteristics and the factors affecting outcomes.

Results

The median age of the cases examined was 68 years, the most common primary site was the parotid gland (238 cases), and there was a male predominance (M/F = 5:1). Outcomes were significantly worse when the primary tumor site was the minor salivary glands (SG) than when it was the major SG. Outcomes were also significantly worse in pN(+) cases (161 cases) than in pN0 cases, particularly those with a metastatic lymph node number ≥11. The cumulative incidence of relapse and distant metastases was significantly higher in stage IV cases than in stage 0–III cases.

Conclusions

The absolute number of lymph node metastases, higher stages, and the minor SG as the primary tumor site were identified as factors affecting the outcome of SDC.

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Subclonal heterogeneity sheds light on the transformation trajectory in IGLV3-21R110 chronic lymphocytic leukemia

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From a Slave to a Surgeon: David Kearney McDonogh, the First Black Otolaryngologist

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Otolaryngology–Head and Neck Surgery, Ahead of Print.
David McDonogh, born into chattel slavery in Louisiana in the early 1800s, accomplished the unfathomable by becoming the first Black otolaryngologist in the United States of America. With tireless determination and profound intellect, Dr McDonogh surmounted immeasurable adversity along his improbable journey to freedom and success as an eye, ear, nose, and throat doctor in New York. His doctorate in medicine was posthumously awarded to his great-great-granddaughter in 2018 by the Columbia University Vagelos College of Physicians and Surgeons. In this History of Otolaryngology piece, we share his extraordinary story.
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Subclonal heterogeneity sheds light on the transformation trajectory in IGLV3-21R110 chronic lymphocytic leukemia

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Blood Cancer Journal, Published online: 30 March 2022; doi:10.1038/s41408-022-00650-4

Subclonal heterogeneity sheds light on the transformation trajectory in IGLV3-21R110 chronic lymphocytic leukemia
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Comparison of the Osteogenic Effectiveness of an Autogenous Demineralized Dentin Matrix and Bio-Oss® in Bone Augmentation: A Systematic Review and Meta-analysis

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Publication date: Available online 29 March 2022

Source: British Journal of Oral and Maxillofacial Surgery

Author(s): Yanfei Li, Wanhang Zhou, Peiyi Li, Qipei Luo, Anqi Li, Xinchun Zhang

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Anatomical variations in the relationship between the spinal accessory nerve and internal jugular vein: a systematic review and meta-analysis

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The relationship between the spinal accessory nerve and internal jugular vein is important for modified neck dissection surgery. Therefore, the aim of this review was to investigate variations in this relationship. Through a search of the PubMed, Scopus, Web of Science, LILACS, and SciELO databases, the review authors collected anatomical data for inclusion in a meta-analysis, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Four relationship patterns were identified and classified: type 1, the nerve lies superficial to the vein; type 2, the nerve lies deep to the vein; type 3, the nerve crosses the branches of the vein; type 4, the nerve splits and its branches pass around the vein.
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