Category: I
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IAJ (abbrev)
Implant–abutment junction.
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Intraoral recurrent herpes
Rarely presents with vesicles. The lesions begin as red macules which cave‐in to create small depressed ulcerations. Also known as intraoral recurrent herpetic gingivostomatitis and intraoral recurrent herpes simplex.
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Incisal g
The influence on mandibular movements exerted by the palatal surfaces of the maxillary anterior teeth.
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Isograft
A graft between genetically identical individuals, usually between identical twins. Isogeneic graft, isologous graft, syngeneic graft. A tissue graft transplanted from one genetically identical individual to another, as in monozygotic twins. Graft taken from another individual or animal of the same genotype (genetic information) as the recipient; sometimes called autograft. A graft of tissue from…
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Iliac graft
Bone graft material obtained from the iliac crest. A bone graft harvested from the crest of the iliac bone. The bone can be removed from the anterior iliac crest posterior to the anterosuperior iliac spine or the posterior ilium. The graft may be cancellous, cortical, or corticocancellous.
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Interradicular fiber
Found between the roots of multirooted teeth, these fibers run from the cementum into the crestal bone of the interradicular septum. The collagen fibers of the periodontal ligament in the interradicular area, attaching the tooth to alveolar bone.
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Isotonic c
Steady muscle tension generated by a shortening muscle against a load. Work rate (power output) remains constant during an isotonic contraction.
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Implant design and b.–i. i.
Architecture of the implant stack or its overall design, including thread design and pitch. It affects the ability of the implant to be placed into its osteotomy with primary stability and is deemed necessary for osseointegration to occur.
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Incisional b
The removal of a selected portion of a lesion and, if possible, adjacent normal‐appearing tissue for microscopic examination and diagnosis.