Gingival inflammation due to foreign bodies in connective tissues is termed Foreign Body Gingivitis (FBG). It is not commonly recognized by clinicians and has not been fully described in the literature. This thesis describes the demographic, clinical, and histopathological findings in 61 cases of FBG. Clinical and histologic criteria for its diagnosis are proposed. FBG presented most frequently as a red or red-and-white painful chronic lesion. It was more common in females and occurred at a mean age of 48. Microscopically, foreign bodies were seen in moderate to severe inflammation which was frequently granulomatous and sometimes lichenoid. The foreign bodies were examined by energy-dispersive x-ray microanalysis (EDX) to identify their elemental composition and potential source. This analysis indicated most foreign bodies were of probable dental material origin, usually abrasives. It is postulated that they are iatrogenically introduced during routine dental procedures.

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This textbook covers in detail digitally-driven methods for adding materials together to form parts. A conceptual overview of additive manufacturing is given, beginning with the fundamentals so that readers can get up to speed quickly. Well-established and emerging applications such as rapid prototyping, micro-scale manufacturing, medical applications, aerospace manufacturing, rapid tooling and direct digital manufacturing are also discussed. This book provides a comprehensive overview of additive manufacturing technologies as well as relevant supporting technologies such as software systems, vacuum casting, investment casting, plating, infiltration and other systems. Reflects recent developments and trends and adheres to the ASTM, SI and other standards; Includes chapters on topics that span the entire AM value chain, including process selection, software, post-processing, industrial drivers for AM, and more; Provides a broad range of technical questions to ensure comprehensive understanding of the concepts covered.

This book covers in detail the various aspects of joining materials to form parts. A conceptual overview of rapid prototyping and layered manufacturing is given, beginning with the fundamentals so that readers can get up to speed quickly. Unusual and emerging applications such as micro-scale manufacturing, medical applications, aerospace, and rapid manufacturing are also discussed. This book provides a comprehensive overview of rapid prototyping technologies as well as support technologies such as software systems, vacuum casting, investment casting, plating, infiltration and other systems. This book also: Reflects recent developments and trends and adheres to the ASTM, SI, and other standards Includes chapters on automotive technology, aerospace technology and low-cost AM technologies Provides a broad range of technical questions to ensure comprehensive understanding of the concepts covered

Filled with hundreds of superb, full-color photographs and step-by-step, illustrated procedures, Maxillofacial Trauma and Esthetic Facial Reconstruction, 2nd Edition, is your definitive source on all aspects of managing facial trauma. World-renowned authors Peter Ward Booth, Barry L. Eppley, and Rainer Schmelzeisen deliver today's foremost guidance on everything from management of the acute trauma patient to the newest materials in surgical trauma to secondary procedures for improved facial appearance. "Maxillofacial Trauma and Esthetic Facial Reconstruction is a comprehensive text dealing with a difficult area and where competing titles are plentiful. This book is refreshing and seems to add a new perspective in this genre with the combination of facial trauma management and reconstruction in the one hardback book. For this reason together with the sheer quantity and quality of the photos and illustrations - this book is highly recommended." - The Journal of Surgery, review of the first edition - Offers complete coverage of maxillofacial trauma highlighted by an unparalleled collection of outstanding, full-color photographs, and highly detailed line drawings that clarify surgical procedures. - Addresses secondary surgery in a dedicated section, covering such topics as facial scar management; secondary osteotomies and bone grafting to correct deformities; bone distraction, used commonly with congenital malformations; secondary rhinoplasty for traumatic nasal deformities, which are associated with a variety of cosmetic and functional issues; secondary orbital surgery; facial nerve injuries; and psychological support for patient with facial trauma. - Features an outstanding, full-color art program, with more than 750 color photos that cover all aspects of injury and treatment, and 250 color line drawings that walk you step by step through surgical procedures. - Includes contributions from a "who's who" list of international experts in oral and maxillofacial surgery, psychology, ophthalmology, neurosurgery, plastic surgery, and craniofacial surgery. - Discusses the latest etiology and management of trauma, walking you through all aspects of injury, treatment, and surgical procedures. - Provides stabilizing guidance prior to surgery in the acute care chapter. - Presents updated information on new imaging technology, current surgical procedures, and innovative treatment software throughout. - Includes more illustrations to guide you to the best radiologic investigation for each injury. - Relates brain injury to the overall management of the face for both function and esthetics. - Contains updated guidelines on facial fractures, expanded information on psychological problems following facial trauma, and a new chapter on pediatric trauma.