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Существует ряд основных витаминов, которые необходимы организму для правильного функционирования, и их можно принимать в виде витаминных добавок. У большинства людей нет сбалансированной диеты, и им может не хватать определенных витаминов, а это означает, что им нужны витаминные добавки, чтобы гарантировать, что у них нет дефицита необходимого витамина. Важно обратиться за профессиональной консультацией, прежде чем принимать какие-либо витаминные добавки. Это связано с тем, что есть некоторые витамины, которые могут быть токсичными, если потребляется слишком много, и витаминная добавка может быть нецелесообразной, если в пище, которую человек ест, уже достаточно витамина. Литрес самиздат не несёт никакой ответственности за информацию в этой книге. Материалы в этой книге носят исключительно информационный характер. Если у вас возникли проблемы, обратитесь к вашему врачу.

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Questions and Answers for Dental Nurses An essential study aid for dental nursing students preparing for the NEBDN exam The newly revised Fourth Edition of Questions and Answers for Dental Nurses delivers a comprehensive and invaluable revision guide that covers the full curriculum of the National Examining Board for Dental Nurses (NEBDN) National Diploma in Dental Nursing. It is fully updated and incorporates recent developments in dentistry and changes to relevant legislation and regulation. The included questions mimic the style of questions used in the NEBDN examination and the accompanying answers and explanations discuss why a given answer is the best one. All four General Dental Council development outcomes—formerly called “domains”—are covered in the book, allowing students to gauge their progress and understanding on all of the areas they’ll be tested on. The book also includes: A thorough introduction to communication in dental nursing, including obtaining consents and record keeping, handling complaints, raising concerns and oral health instruction Comprehensive explorations of management and leadership, including chairside support, practice management, and health and safety Practical discussions of clinical considerations, including infection prevention and control, oral anatomy and physiology, dental pathology and microbiology, and assessment and diagnosis In-depth examinations of professionalism in the dental nursing context, including GDC standards, legal and ethical issues, and equality and diversity Questions and Answers for Dental Nurses 4th Edition is an essential resource for dental nurse students enrolled in the National Examining Board for Dental Nurses National Diploma training course, as well as dental tutors, trainers, and educators preparing candidates for this qualification.

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Learn to implement effective control measures for mutagenic impurities in pharmaceutical development  In  Mutagenic Impurities: Strategies for Identification and Control , distinguished chemist Andrew Teasdale delivers a thorough examination of mutagenic impurities and their impact on the pharmaceutical industry. The book incorporates the adoption of the ICH M7 guideline and focuses on mutagenic impurities from both a toxicological and analytical perspective.  The editor has created a primary reference for any professional or student studying or working with mutagenic impurities and offers readers a definitive narrative of applicable guidelines and practical, tested solutions. It demonstrates the development of effective control measures, including chapters on the purge tool for risk assessment.  The book incorporates a discussion of N-Nitrosamines which was arguably the largest mutagenic impurity issue ever faced by the pharmaceutical industry, resulting in the recall of Zantac and similar drugs resulting from N-Nitrosamine contamination.  Readers will also benefit from the inclusion of:  A thorough introduction to the development of regulatory guidelines for mutagenic and genotoxic impurities, including a historical perspective on the development of the EMEA guidelines and the ICH M7 guideline An exploration of in silico assessment of mutagenicity, including use of structure activity relationship evaluation as a tool in the evaluation of the genotoxic potential of impurities A discussion of a toxicological perspective on mutagenic impurities, including the assessment of mutagenicity and examining the mutagenic and carcinogenic potential of common synthetic reagents Perfect for chemists, analysts, and regulatory professionals,  Mutagenic Impurities: Strategies for Identification and Control  will also earn a place in the libraries of toxicologists and clinical safety scientists seeking a one-stop reference on the subject of mutagenic impurity identification and control.

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Helps everyone on the dental team work in a more comfortable and less painful way Dental health providers commonly struggle with chronic back pain, carpal tunnel syndrome, muscle tension, strained eyes, and other work-related musculoskeletal problems. Ergonomics in the Dental Office provides clear guidance on alleviating or eliminating the pain and discomfort caused by strains put on the body in daily practice. This easy-to-read book explains the principles of ergonomics, identifies specific causes of musculoskeletal problems, and presents simple—yet effective—techniques to address the physical stresses that might be occurring in the dental office. Concise, highly visual chapters demonstrate correct postures, clock positions, instrument transfer, head and neck placement, instrumentation techniques, office design, and more. The author emphasizes the importance of daily exercises, rest breaks, and disciplines that relieve both physical and emotional stress such as yoga and Tai Chi. Topics include occupational health issues and research, treating disabled patients, developing ergonomic awareness, seat positioning for tall and short operators, integrated intervention planning, and signs and symptoms of musculoskeletal disorders. Presents ways to improve body positioning and instrumentation techniques, including basic ergonomic principles of proper four-handed dentistry Discusses exercises to reduce stress and reduce muscle fatigue, such as Pilates, free weights, and aquatic activities Covers all key aspects of ideal dental office ergonomics, including furniture, equipment, office layout and design, and practice assessment Designed to address a problem all dental professionals face, Ergonomics in the Dental Office is an invaluable book for dentists, dental hygienists, dental assistants, and dental students and trainees.

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The newly revised Second Edition of  Clinical Cases in Periodontics delivers a comprehensive collection of clinical cases on critical topics within the discipline of periodontology. The book is thoroughly updated to incorporate recent developments in the field, along with new classifications of periodontal disease, common diagnoses, and a wide range of treatment options.  43 real-world clinical cases are discussed in this collection, including 8 brand-new cases unique to this edition, all of which include commentary and high-quality images to improve reader comprehension and understanding. The cases cover topics such as surgical and non-surgical treatment, regenerative therapy, mucogingival therapy, and interdisciplinary treatments.  Clinical Cases in Periodontics  offers:  A thorough introduction to periodontic examination and diagnosis, including documentation, plaque, and non-plaque induced gingivitis A comprehensive exploration of non-surgical periodontal therapy, including local anatomic factors contributing to periodontal disease and local drug delivery Practical discussions of resective periodontal therapy, including gingivectomy and flap osseous surgery In-depth examinations of regenerative therapy, including the treatment of furcation and guided bone regeneration The latest advances in inter-disciplinary care, encompassing orthodontics, prosthodontics, and implant dentistry A companion website featuring the images from the book in PowerPoint The latest edition of  Clinical Cases in Periodontics  is ideal for dental students, periodontology residents, dental practitioners, and anyone else seeking periodontal clinical case studies.

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A case-focused Otolaryngology primer for trainees and practicing clinicians alike  As disorders of the head and neck continue to become more prevalent, otolaryngologic head and neck surgeons are in greater demand than ever before. Many schools of medicine are integrating Problem-Based Learning (PBL) to help students develop the skills necessary for surgical management of head and neck conditions, yet the selection of guidebooks available to trainee otolaryngologic surgeons is limited.  Essential Cases in Head and Neck Oncology  uses real-life clinical cases to present clear and up-to-date explanations of treatment strategies for a wide range of cutaneous, salivary gland, and upper aerodigestive tract conditions, including benign and malignant tumors. Written and edited by renowned leaders in the field, and endorsed by the American Head & Neck Society, this essential resource contains full-color photographs, illustrations, and diagrams to better support readers in acquiring, synthesizing, and applying essential skills and knowledge in a clinical context. Its chapters provide detailed coverage of the oral cavity, skull base, trachea, thyroid, larynx, paragangliomas, salivary glands, and more.  This textbook also includes:  Covers the full spectrum of head and neck surgeries, including reconstructive procedures Discusses ethics related to cancer treatments, medical research, and other care issues Promotes multidisciplinary critical thinking, clinical problem-solving, communication, and collaboration Helps medical students and trainees evaluate their learning and contextualize their knowledge Features high-quality images and succinct explanatory text throughout  Essential Cases in Head and Neck Oncology  is an indispensable study aid for trainee clinicians, residents, and fellows studying for board certification and other exams, and an excellent reference guide for oncologists, otolaryngologists, surgeons, and other practitioners working in medical oncology, radiation oncology, and oromaxillofacial surgery.

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