Oral Pathology Study Notes
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Questions and Answers

Which anatomical areas are involved in Ludwig angina?

  • Submandibular and sublingual spaces only
  • Submandibular, submental, and sublingual spaces unilaterally
  • Submental and sublingual spaces only
  • Submandibular, submental, and sublingual spaces bilaterally (correct)

Which of the following conditions does NOT cause an elevation in the erythrocyte sedimentation rate (ESR)?

  • Suppuration
  • Necrosis
  • Administration of hydrocortisone (correct)
  • Inflammation

What is the estimated toxic dose for fluoride ingestion in children?

  • 12-15 mg/kg
  • 1-2 mg/kg
  • 5-10 mg/kg (correct)
  • 8-10 mg/kg

What is the most common cause of xerostomia?

<p>Medications (B)</p> Signup and view all the answers

Which of the following statements about hereditary gingival fibromatosis is true?

<p>Both statements are true (A)</p> Signup and view all the answers

How do traumatic bone cysts present radiographically?

<p>Well-defined unilocular or multilocular radiolucency with scalloping around the roots (A)</p> Signup and view all the answers

Where is malignant melanoma most frequently located in the oral cavity?

<p>Palate and maxillary gingiva (D)</p> Signup and view all the answers

What radiographic finding is commonly associated with multiple myeloma in the jaw?

<p>Punched-out radiolucencies (A)</p> Signup and view all the answers

What is the most likely diagnosis for a 10-year-old boy with a painless swelling in the maxilla and a biopsy revealing fibrous tissue in the bone?

<p>Monostotic fibrous dysplasia (D)</p> Signup and view all the answers

In a patient with wide-set eyes, thick skin on the palms, and calcified brain structures, what is the likely finding on a panoramic radiograph?

<p>Keratocystic odontogenic tumors (B)</p> Signup and view all the answers

What type of lesion is characterized by a smooth-surfaced bluish appearance with fluctuance and is most likely located where a tooth is about to erupt?

<p>Eruption cyst (C)</p> Signup and view all the answers

Which diagnosis is most probable if a panoramic radiograph shows a well-defined radiolucency with scalloping around the roots of teeth, and no fluid or tissue is found upon opening the area?

<p>Traumatic (simple) bone cyst (B)</p> Signup and view all the answers

What is likely indicated by the presence of a well-corticated, unilocular radiolucency surrounding the crown of an impacted tooth in a healthy patient?

<p>Dentigerous cyst (A)</p> Signup and view all the answers

In the case of multiple lesions on the skin, thick palms, and neurologic findings, which additional complication could be expected?

<p>Increased risk of keratocystic odontogenic tumors (A)</p> Signup and view all the answers

Which condition is characterized by multiple polyps affecting the large intestine?

<p>Gardner syndrome (A)</p> Signup and view all the answers

What is the preferred initial investigation for a patient with a swelling in the jaw that presents as a radiopaque mass with a ground-glass appearance?

<p>Panoramic radiograph (B)</p> Signup and view all the answers

What is the most common location for an intraoral congenital nevus?

<p>Hard palate (C)</p> Signup and view all the answers

Which conditions are associated with pigmentation of the intraoral mucous membranes? Select all that apply.

<p>Addison disease (A), Peutz-Jeghers syndrome (B), McCune-Albright syndrome (C)</p> Signup and view all the answers

Which condition is likely indicated by muscle weakness, loss of appetite, weight loss, and bronzed skin?

<p>Addison disease (D)</p> Signup and view all the answers

What is the appropriate treatment for focal melanosis once it is diagnosed?

<p>No treatment is necessary (D)</p> Signup and view all the answers

The intraoral nevus is usually classified as which type?

<p>Intramucosal nevus (D)</p> Signup and view all the answers

What is the most likely diagnosis for an asymptomatic, elongated, erythematous patch of atrophic mucosa on the tongue due to chronic Candida albicans infection?

<p>Median rhomboid glossitis (C)</p> Signup and view all the answers

Which condition should be suspected in a child presenting with multiple red spots on the lower lip and tongue, resembling the father's similar marks?

<p>Hereditary hemorrhagic telangiectasia (HHT) (C)</p> Signup and view all the answers

Which of the following conditions is NOT commonly associated with pigmentation in the oral cavity?

<p>Albright syndrome (D)</p> Signup and view all the answers

Which autoimmune disease is associated with enlarged salivary glands due to a secondary condition?

<p>Mikulicz disease (D)</p> Signup and view all the answers

What is the most likely diagnosis for a bluish lesion of the lower lip caused by trauma?

<p>Mucocele (B)</p> Signup and view all the answers

What lesion appears as a translucent, bluish, well-rounded bulge protruding from the floor of the mouth?

<p>Ranula (B)</p> Signup and view all the answers

What is the most likely diagnosis for a pea-sized radiopacity with 'onion-skin' thickening in the mandibular region?

<p>Sialolith (B)</p> Signup and view all the answers

Which neoplasm is the most common affecting major or minor salivary glands?

<p>Pleomorphic adenoma (C)</p> Signup and view all the answers

Which of the following should be included in the differential diagnosis for parotid gland enlargement? (Select all that apply)

<p>Sarcoidosis (A), Sjögren syndrome (C), Cystic fibrosis (D)</p> Signup and view all the answers

Where is acinic cell carcinoma almost exclusively found?

<p>Parotid gland (B)</p> Signup and view all the answers

Which diagnosis corresponds with symptoms of pain when eating, along with a firm swelling in the floor of the mouth?

<p>Sialolith (C)</p> Signup and view all the answers

What is a common effect of anemia characterized by fatigue and malaise?

<p>Severe fatigue (B)</p> Signup and view all the answers

Which condition is characterized by an absence of functioning granulocytes?

<p>Agranulocytosis (C)</p> Signup and view all the answers

In patients with thrombotic thrombocytopenic purpura, which key feature is present?

<p>Abnormal thrombosis in terminal arterioles (A)</p> Signup and view all the answers

Which condition is most likely the cause of gum infections following the use of methimazole?

<p>Agranulocytosis (A)</p> Signup and view all the answers

What dental concern is most commonly associated with pernicious anemia?

<p>Glossitis (A)</p> Signup and view all the answers

Which statement about chronic leukemias is false?

<p>They constitute 50% of all leukemias (A)</p> Signup and view all the answers

What is the most prevalent type of leukemia in children, accounting for about two-thirds of cases?

<p>Acute lymphocytic leukemia (ALL) (B)</p> Signup and view all the answers

What condition should a dentist investigate when a child's teeth exhibit a brownish-blue hue?

<p>Erythroblastosis fetalis (D)</p> Signup and view all the answers

What is the primary type of tumor associated with Sipple syndrome?

<p>Medullary carcinoma of the thyroid (B)</p> Signup and view all the answers

Which of the following correctly describes neurofibroma?

<p>A benign nerve sheath tumor (C)</p> Signup and view all the answers

Which characteristic is NOT associated with Von Recklinghausen disease?

<p>Mutation of the tumor suppressor gene NF3 (D)</p> Signup and view all the answers

What is the most commonly encountered intraoral benign neoplasm of connective tissue origin?

<p>A fibroma (C)</p> Signup and view all the answers

What is usually the first sign of systemic sclerosis (scleroderma)?

<p>Raynaud's phenomenon (C)</p> Signup and view all the answers

A newborn has a pink, compressible tumor in the oral cavity. What type of cells does this tumor resemble?

<p>Granular cells (A)</p> Signup and view all the answers

What is a distinguishing feature of fibromas in the oral cavity?

<p>Encapsulated and firm (C)</p> Signup and view all the answers

Flashcards

Ludwig angina

A severe infection involving the submandibular, submental, and sublingual spaces bilaterally.

ESR

Erythrocyte Sedimentation Rate; a blood test measuring inflammation.

ESR exception to rising with inflammation

Administration of hydrocortisone.

Fluoride toxic dose (approximate)

5-10 mg/kg.

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Xerostomia cause

Medications are the most common cause.

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Hereditary gingival fibromatosis

A benign condition affecting both arches, resembling fibrous hyperplasia microscopically.

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Radiographic traumatic bone cyst

Well-defined unilocular or multilocular radiolucency with scalloping around the roots.

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Common malignant melanoma location

Palate and maxillary gingiva.

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Odontomas

Benign, mixed-tissue tumors occurring in the jaw; often radiopaque.

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Monostotic fibrous dysplasia

A benign bone disorder that affects only one bone, causing an abnormal thickening of the bone.

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Keratocystic odontogenic tumors

Benign but locally aggressive jaw tumors, often showing a characteristic radiolucency.

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Eruption cyst

Small, benign cyst that develops around developing teeth.

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Dentigerous cyst

Cyst surrounding unerupted or impacted teeth.

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Traumatic bone cyst

A benign jaw cyst, showing a well-defined radiolucency, usually asymptomatic.

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Impacted tooth

A tooth that has not erupted and is blocked from growth.

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Radiolucency

Area on an x-ray that appears dark; often a sign of a space-occupying lesion.

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Mikulicz disease

An autoimmune disorder characterized by bilateral enlargement of the salivary glands, often associated with other diseases like tuberculosis.

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Mucocele

A benign, fluid-filled cyst that forms most commonly on the lower lip, often due to trauma.

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Ranula

A translucent, bluish cyst that protrudes from one side of the floor of the mouth, often due to a blocked salivary duct.

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Sialolith

A salivary gland stone, most commonly occurring in the submandibular gland, leading to pain and swelling especially during meals.

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Pleomorphic adenoma

The most common benign salivary gland tumor, typically found in the parotid gland and exhibiting variable cellular patterns.

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Sarcoidosis

A systemic inflammatory condition causing granulomas in various tissues, including the salivary glands.

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Sjögren syndrome

An autoimmune disorder affecting moisture-producing glands, including salivary glands, leading to dry eyes and mouth.

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Diabetes mellitus

A metabolic disorder causing hyperglycemia, which can lead to salivary gland enlargement and other complications.

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Agranulocytosis

A life-threatening condition characterized by a severe decrease in white blood cells, particularly neutrophils, making the body highly susceptible to infections.

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Pernicious Anemia

A type of anemia caused by a deficiency in vitamin B12, which is necessary for red blood cell production.

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Thrombotic Thrombocytopenic Purpura (TTP)

A rare but serious condition characterized by a low platelet count, abnormal clotting in small blood vessels, and damage to various organs.

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Erythroblastosis Fetalis

A condition that occurs when a mother's immune system attacks the red blood cells of her fetus, usually due to a Rh factor incompatibility.

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Chronic Leukemias

Cancers of the blood-forming tissues that progress slowly and involve more mature blood cells compared to acute leukemias.

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Acute Lymphocytic Leukemia (ALL)

A type of leukemia that primarily affects lymphocytes, which play a key role in the immune system.

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Sickle Cell Anemia

A genetic blood disorder characterized by abnormal sickle-shaped red blood cells, leading to various health complications.

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Glossitis

Inflammation of the tongue, often presenting with a smooth, shiny appearance and a burning sensation.

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Oral Melanoacanthoma

A benign skin condition that looks like a dark spot in the mouth.

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Intraoral Congenital Nevi Location

Hard palate is the most common site for intraoral congenital birthmarks.

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Intraoral Pigmentation Conditions

Conditions like Addison's disease, McCune-Albright, and Peutz-Jeghers can cause color changes in the mouth.

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Addison's Disease Symptoms

Characterized by muscle weakness, loss of appetite, weight loss, and bronze skin, with low blood sugar and sodium and high potassium.

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Focal Melanosis Treatment

No treatment is needed for focal melanosis (a harmless darkening in the mouth).

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Intraoral Nevus Type

Intraoral nevi are typically intramucosal (within the mucous layer).

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Median Rhomboid Glossitis Cause

Chronic Candida albicans infection often causes an elongated, red patch on the tongue's mid-dorsal surface.

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Hereditary Hemorrhagic Telangiectasia (HHT)

A genetic condition causing frequent nosebleeds and multiple red spots on the lips and tongue, as well as other body areas.

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Sipple Syndrome

A rare genetic disorder characterized by medullary carcinoma of the thyroid, pheochromocytoma, and parathyroid hyperplasia.

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Neurofibroma

A benign tumor of the nerve sheath, often appearing as interlacing bundles of spindle cells.

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Von Recklinghausen Disease

A genetic disorder causing multiple neurofibromas, café au lait macules, and other abnormalities.

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Fibroma

A benign tumor composed of fibrous connective tissue.

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Systemic Sclerosis (Scleroderma)

A systemic autoimmune disease causing hardening and thickening of the skin and other tissues.

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Raynaud's Phenomenon

A condition characterized by spasms of blood vessels in the fingers and toes, causing temporary color changes and numbness.

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Congenital Epulis of the Newborn

A benign tumor of the oral cavity, commonly found in newborns, composed of granular cells.

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Study Notes

Oral Pathology Study Notes

  • Hypodontia: Congenital absence of six or more teeth
  • Oligodontia: Congenital absence of six or more teeth
  • Dentinogenesis imperfecta Type III: Features multiple pulp exposures, periapical radiolucencies, and variable radiographic appearance
  • Mesiodens: A supernumerary tooth located between the maxillary central incisors
  • Concrescence: Fusion of two or more teeth
  • Fusion: Combination of two or more teeth that share a common structure
  • Dens in dente: A tooth within a tooth
  • Hypercementosis: An excessive buildup of cementum on a tooth
  • Cemento-osseous dysplasia: A benign tumor often found in the jaw
  • Cementoblastoma: A benign tumor of the tooth's supporting structure
  • Condensing osteitis: A benign bone condition
  • Odontogenic keratocyst: A cyst originating from the dental tissues
  • Enamel hypoplasia: An incomplete formation of the enamel matrix, resulting in enamel defects
  • Gingival fusion: A condition characterized by two incisors fusing
  • Gemination: A splitting of a single tooth bud, resulting in two or more teeth
  • Twinning: A splitting of a single tooth bud, resulting in two or more teeth
  • Abrasion: Abnormal loss of tooth structure due to non-masticatory physical friction
  • Erosion: Degradation of tooth enamel due to chemical effects, not physical
  • Attrition: The gradual wearing away of tooth structure due to tooth-to-tooth abrasion

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Description

This quiz covers essential concepts in oral pathology, focusing on conditions such as hypodontia, oligodontia, and various dental anomalies. Each term is explained with key features and clinical significance, which will aid in understanding complex dental pathologies. Ideal for dental students and professionals seeking to enhance their knowledge in this crucial area.

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