Labial mucosa

Aka: Labial mucosa, Buccal mucosa, Masticatory Mucosa, Movable Mucosa, Oral Mucosa, Oral Mucosa Disorder, Oral Mucosa Disease, Oral Mucosa Finding

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II. Types

  1. Masticatory Mucosa (bears greatest friction)
    1. Appearance
      1. Highly keratinized and firm
      2. Stippled and pale
    2. Covers
      1. Hard Palate
      2. Tooth-bearing Gingiva (abuts)
      3. Dorsal Tongue surface
  2. Movable Mucosa (Non-masticatory)
    1. Appearance
      1. Thin, less keratinized than Masticatory Mucosa
    2. Covers
      1. Lips (abuts)
      2. Buccal mucosa
      3. Floor of mouth
      4. Vestibules
      5. Soft Palate
      6. Peri-Tonsillar Pillars
      7. Lateral and ventral Tongue

III. Exam

  1. Observe color and texture
  2. Palpate for Nodules

IV. Findings: Normal and variants

  1. Linea Alba of Buccal Mucosa
  2. Leukoedema
  3. Parotid Papilla (Stensen's Duct opening)
  4. Ectopic Sebaceous Glands (Fordyce's Granules)

V. Findings: Pathologic

  1. Lichen Planus of Buccal Mucosa
  2. Leukoplakia
  3. Oral Ulcers
    1. Traumatic
    2. Aphthous Ulcer (Canker Sore)
    3. Herpes Gingivostomatitis
  4. Mucosal Pallor
    1. Anemia

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