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<em>PERIODONTITIS</em>: <em>CHRONIC</em> <em>PERIODONTITIS</em>: An infectious disease resulting in inflammation within the supporting tissues of the teeth, progressive attachment and bone loss and is characterized by pocket formation and/or gingival recession. It is recognized as the most frequently ...
<em>PERIODONTITIS</em>: RECURRENT <em>PERIODONTITIS</em>: A condition in which <em>periodontitis</em> has been successfully treated but then recurs. A secondary descriptor used with various categories of <em>periodontitis</em> (e.g., recurrent <em>chronic</em> <em>periodontitis</em>, recurrent aggressive ...
categories of <em>periodontitis</em> (e.g., refractory <em>chronic</em> <em>periodontitis</em>, refractory aggressive <em>periodontitis</em>, etc.). #DiagnosticTerminology
<em>PERIODONTITIS</em>: AGGRESSIVE <em>PERIODONTITIS</em>: A type of periodontal disease presenting with rapid attachment loss and bone destruction in patients who are otherwise clinically healthy; typically there is familial aggregation and a younger age of onset than that seen in <em>chronic</em> <em>periodontitis</em>. ...
<em>CHRONIC</em>: Continuing over a long period of time. Used to describe a disease state of long duration. #SystemicPathology
ABSCESS: <em>CHRONIC</em> ABSCESS: 1. Abscess of comparatively slow development with little evidence of inflammation. There may be an intermittent discharge of purulent matter. 2. Long-standing collection of purulent exudate. It may follow an acute abscess. See also RESIDUAL ABSCESS. #OralPatho ...
<em>PERIODONTITIS</em>: Inflammation of the periodontal tissues resulting in clinical attachment loss, alveolar bone loss, and periodontal pocketing. #DiagnosticTerminology
AGGREGATIBACTER ACTINOMYCETEMCOMITANS: A gram-negative, non-motile, facultatively anaerobic, rod-shaped bacterium found in subgingival and marginal plaque of healthy and periodontally diseased individuals. A periodontal pathogen that is implicated as a minor causative agent in <em>chronic</em> <em>periodontitis</em> ...
<em>PERIODONTITIS</em>: NECROTIZING ULCERATIVE <em>PERIODONTITIS</em> (NUP): An infection characterized by necrosis of gingival tissues, periodontal ligament, and alveolar bone. These lesions are most commonly observed in individuals with systemic conditions including, but not limited to, HIV infection, ...
<em>PERIODONTITIS</em>: AGGRESSIVE <em>PERIODONTITIS</em> GENERALIZED FORM : In addition to the common features described under "aggressive <em>periodontitis</em>", it is characterized by an interproximal attachment loss of 4 mm or more on at least 2 permanent teeth (one of which is a first molar) and ...
<em>PERIODONTITIS</em>: AGGRESSIVE <em>PERIODONTITIS</em> LOCALIZED FORM: In addition to the common features described under "aggressive <em>periodontitis</em>", it is characterized by an interproximal attachment loss of 4 mm or more on at least 2 permanent teeth (one of which is a first molar) and ...
FUSOBACTERIUM NUCLEATUM: A gram-negative, non-motile, anaerobic bacterium that is a normal component of the oral flora. Cell morphology is distinctive: a long tapering rod between 10-100um in length. Associated with the progression of gingivitis and <em>chronic</em> <em>periodontitis</em> by acting ...
<em>PERIODONTITIS</em>: <em>PERIODONTITIS</em> AS MANIFESTATION OF SYSTEMIC DISEASES: <em>Periodontitis</em>, often with onset at a young age, associated with one of several systemic diseases. #DiagnosticTerminology
<em>Periodontitis</em> Replacement of the “<em>chronic</em>” and “aggressive” categorization of <em>periodontitis</em> with the classification of <em>periodontitis</em> dependent on severity, complexity, extent, distribution/pattern, and rate of progression are defined within the staging and grading ...
result in <em>chronic</em> infection or <em>chronic</em> liver disease. #SystemicPathology
An abnormal decrease in the number of circulating neutrophils. It may be cyclic in nature. See also AGRANULOCYTOSIS. Neutropenia can be acute or <em>chronic</em> depending on the duration of the illness. A patient has <em>chronic</em> neutropenia if the condition lasts for longer than three months. It ...
SUBACUTE : Denotes a phase of a disease between the acute and <em>chronic</em> stages. #DiagnosticTerminology
FIBROSIS: A fibrous change of the mucous membranes, especially the gingiva, as a result of <em>chronic</em> inflammation. Fibrotic gingiva may appear outwardly healthy, masking underlying disease. #DiagnosticTerminology
GINGIVITIS: ASCORBIC ACID DEFICIENCY GINGIVITIS: An inflammatory response of the gingiva to microbial plaque, aggravated by <em>chronically</em> low ascorbic acid levels, resulting in inadequate collagen synthesis, gingival edema, hemorrhage, and ulceration. #DiagnosticTerminology
SCLEROSIS: An induration or hardening, usually of <em>chronic</em> inflammatory origin, produced by hyperplasia of the interstitial fibrous connective tissue. In the jaws it is characterized by an increased calcification as in condensing osteitis. #BoneBiology
DIABETES MELLITUS: A <em>chronic</em> syndrome of impaired carbohydrate, protein, and fat metabolism secondary to insufficient secretion of insulin or to target tissue insulin resistance. Considered to be a modifying or accelerating factor in periodontal diseases. #SystemicPhysiology
PROGRESSIVE SYSTEMIC SCLEROSIS (Scleroderma): A <em>chronic</em> disorder of unknown cause characterized by progressive fibrosis of skin and multiple organs, and by vascular insufficiency . Oral structures become indurated and stiff; radiographically the periodontal ligament spaces may be thickened. ...
FOREIGN-BODY REACTION: A granulomatous reaction around a foreign material within a tissue or organ; often characterized by giant cells. This may present as acute or <em>chronic</em> gingival inflammation and may produce tattoos; or red, red/white; or suppurative lesions. #OralPathologyandOralMedic ...
PERIODONTAL DISEASE: The pathologic processes affecting the periodontium; most often gingivitis and <em>periodontitis</em>. See also <em>Periodontitis</em>. #DiagnosticTerminology
ENDOCARDITIS: INFECTIVE ENDOCARDITIS: A microbial infection of the endocardial surface of the heart, usually involving the heart valves. Formerly classified as acute, subacute, and <em>chronic</em> bacterial endocarditis, but now delineated by the offending microorganism (i.e., streptococcal infective ...