Juvenile periodontitis occurs in adolescence, 13 to 25-year-olds with no obvious symptoms, early treatment often has about 20 years old, women more often affected than men. Generally good oral hygiene, the earlier the patient's plaque, tartar small amount of gingival inflammation is slight, but there is a deep periodontal pocket, is not one: seven cases of periodontal tissue destruction degree of local irritants, gingival Although there were no inflammatory easy bleeding after probing with advanced periodontal abscess.
Occurs in the first permanent molars and upper and lower incisors, known as localized juvenile periodontitis. Canine and premolar areas rarely involved, mostly symmetrical. Diffuse juvenile periodontitis may invade the whole 13 the majority of the teeth. By X-ray shows the first molar mesiodistal both vertical absorption, the formation of the typical "arc absorbed; more dental instruments horizontal bone absorption in the incisor. You can still see the periodontal ligament space widened, the bony plates is vague, loose trabecular bone. The patient's periodontal destruction speed three to four times faster than the adult in 4 to 5 years, the periodontal attachment damaged up to 50% to 70%. Patients often must tooth or teeth in the 20-year-old off on their own. Early loose teeth and expand the shift is common in the maxillary anterior teeth, the shape of a fan, posterior, there may be gaps, so as to cause food impaction.
The family often people sick, the patient's siblings, 50% chance of falling ill, maternally inherited, genetic background and leukocyte function defects.
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