Aggressive periodontitis 3

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  • 1. AMNA HASSAN ROLL NO : 12
  • 2. Aggressive periodontitis
  • 3. CONTENTS:1. INTRODUCTION2. CLASSIFICATION3. CLINICAL FEATURES4. RADIOGRAPHIC FEATURES5. DISTINGUISHING FEATURES6. RISK FACTORS
  • 4. DEFINITION :“Periodontitis is defined as an inflmmatory disease ofthe supporting tiisue of the teeth caused by specificmicro organisms,resulting in progressive destruction ofPDL and alveolar bone with increased probing depthformation,recesion or both”
  • 5. Aggressive periodontitis describes a typeof periodontal disease and includes two of the sevenclassifications of periodontitis:Localized aggressive periodontitis (LAP)Generalized aggressive periodontitis (GAP)
  • 6. LOCALIZED AGGRESSIVE PERIODONTITIS•Onset at about puberty•Affects primarily molars and incisor teeth•Deep pockets and advanced bone loss
  • 7. Etiology is unknown BUT connectionbetween the disease & presence ofof anaerobic gram negative bacteria
  • 8. Clinical characteristics : Localized first molar / molars presentation with interproximal attachment loss on atleast two permanent teeth,one of which is a first molar , and involving no more than two teeth other than first molar and incisors”
  • 9. •LAP lack of clinical inflammation despite thepresence of deep periodontal pockets and advancedbone•Amount of plaque on affected teeth is minimal•Distolabial migration of maxillary incisors withconcomitant diastema formation•Increasing mobility of the maxillary and mandibularincisors and first molars•Senstivity of denuded root surfaces to thermal andtactile stimuli•Deep ,dull,radiating pain during mastication causedbyirritation of supporting srructures by mobile teeth andimpacted food
  • 10. RADIOGRAPHIC FINDINGS : •Vertical loss of alveolar bone around the first molars and incisors •Begiining at puberty in otherwise healthy teenagers is a daignostic sign •Arc shaped loss of alveolar bone extending from distal surface of the premolar to the mesial surface of the second molar
  • 11.  characterised by “ generalized interproximalattachment loss affecting atleast three permanentteeth than first molars and incisors”•Destruction appears with periods of advancedfollowed by quiescence of varaible length GAP often have small amount of plaque associated with the affected teethP.gingivalis,A.actinomycetemocomitans and tannerellaforsythia are detected in plaque
  • 12. 1)Severe ,acutely inflammed ,proliferating,ulcerated and fiery redBleeding may occur spontaneously• Suppuration may be an important features2)Gingival tissues may appear pink, free of inflammationSome stippling may be presentDeep pocket can be demostrated by probing
  • 13. •Patients with GAP may have systemetic manifestation•Like weight loss,general malasie n mental depression•As seen with LAP may be arrested spontaneously or aftertherapy,where as others may continue to progress to toothloss.
  • 14. Radiographic findings•severe boneloss associated withminimal number of teeth•Advanced bone loss affecting themajority of teeth in the dentition
  • 15. PREVELENCE :• Black were at much higher risk than white sfor all forms of aggressive periodontitis•Male teenagers were more likely tohave GAP than female adolescents
  • 16. Risk factors for aggressive periodontitis•Microbiologic factors•Immunologic factors•Genetic factors•Environment factors