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The bone destruction patterns that occur as a result of periodontal disease generally take on characteristic forms. This X-ray film displays a horizontal defect . This X-ray film displays two lone-standing mandibular teeth, #21 and #22: the lower left first premolar and canine, exhibiting severe bone loss of 30-50%.
Early bone loss may have occurred but is rarely evident radiographically. Grade II - There is a definite horizontal component to the bone loss between roots resulting in a probeable area, but sufficient bone still remains attached to the tooth (at the dome of the furcation) so that multiple areas of furcal bone loss, if present, do not communicate.
Chronic periodontitis is initiated by Gram-negative tooth-associated microbial biofilms that elicit a host response, which results in bone and soft tissue destruction. In response to endotoxin derived from periodontal pathogens, several osteoclast-related mediators target the destruction of alveolar bone and supporting connective tissue such as the periodontal ligament.
Periodontal disease; Other names: Gum disease, pyorrhea, periodontitis: Radiograph showing bone loss between the two roots of a tooth (black region). The spongy bone has receded due to infection under tooth, reducing the bony support for the tooth.
Radiographically, the periodontal lesion often presents with alveolar bone loss in a horizontal pattern at the interproximal surface of the permanent first molars [2] [33] [34] and usually horizontal bone pattern of bone loss at the interproximal surface of the incisors as the bone is thinner than at the interproximal surface of the molars. [33]
By far the most common cause of loss of attachment is periodontal disease (gum disease). This is painless, slowly progressing loss of bony support around teeth. It is made worse by smoking; the treatment is by improving the oral hygiene above and below the gumline. Dental abscesses can cause resorption of bone and consequent loss of attachment ...
There are two types of periodontal pockets that are determined by the type of bone loss present. A suprabony pocket occurs when there is horizontal bone loss, the bottom of the pocket is coronal to the alveolar bone. An infrabony pocket occurs when there is vertical bone loss where the bottom of the pocket is apical to the alveolar bone. [4]
Destruction of the alveolar bone and periodontal ligament; Tooth mobility, drifting and eventual loss; Because bone loss makes its first appearance in the advanced lesion, it is equated with periodontitis, while the first three lesions are classified as gingivitis in levels of increasing severity. [15]
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