RADIOLUCENT LESIONS OF JAWS #9M #NTRUHS

  1. Acute periapical abscess
    1. Swelling
    2. Vertical pain = tenderness on percussion
    3. Vestibular tenderness and obliteration = pathognomonic sign
    4. Widening of PDL = Only feature. It takes time for r/g features to develop, by that time acute has been converted into chronic
  2. Chronic Periapical abscess
    1. Carious tooth 
    2. Sinus tract = pus will come out
    3. Hence, there will be a breach in the continuity of lamina dura
    4. Diffuse, ill-defined radiolucency surrounding root apex
  3. Periapical Granuloma
    1. Granuloma is made up of granulation tissue. It is formed due to new vascularizations.
    2. May or maynot be corticated
    3. Size is less than 1.5 cm in diameter
    4. Well defined
  4. Periapical cyst
    1. Well defined 
    2. Surrounding corticated or sclerotic border
    3. Size is more than 1.5 cm 
  5. Infected Cyst
    1. Partially well defined 
    2. Corticated border = evident only in few areas
  6. PERIAPICAL CEMENTAL DYSPLASIA 2M*
    1. Site = mandibular anteriors
    2. Teeth = vital
    3. Multifocal 
    4. Appearing as periapical radiolucency
    5. RL = initial stage
    6. Mixed = intermediate stage
    7. RO = mature stage
  7. Phoenix abscess
    1. Acute exacerbated phases of chronic periapical abscess
    2. Pt complains that Every 6 months, swelling and pain
    3. Pulp is non vital
  8. Lateral periodontal Cyst

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