Oral Pathology Concepts
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Oligodontia

Congenital absence of six or more teeth.

Type III Dentinogenesis Imperfecta

A type of dentinogenesis imperfecta with multiple pulp exposures, periapical radiolucencies, and variable radiographic appearance.

Mesiodens

A supernumerary tooth located between the maxillary central incisors.

Hypercementosis Differential Diagnosis Exclusion

Odontogenic keratocyst is not a differential diagnosis for hypercementosis.

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Enamel Hypoplasia

Incomplete formation of enamel matrix.

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Fusion

Two or more tooth buds fusing during development.

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Amelogenesis Imperfecta

Inherited condition leading to soft, thin enamel, discoloration, and tooth sensitivity.

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Abrasion

Loss of tooth structure from non-masticatory physical friction.

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Erythropoietic Porphyria

A condition causing red-brown extrinsic tooth staining.

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Internal Root Resorption

Loss of root structure from within the tooth.

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Type I Dentin Dysplasia

A type of dentin dysplasia featuring extremely short roots and obliterated pulps.

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Chronic Leukemia

The clinical course is less devastating than acute; characterized by later-onset and gradual progress. Increased proliferation of mature blood cells.

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Thrombotic Thrombocytopenic Purpura

A low platelet count caused by abnormal thrombosis in blood vessels.

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Agranulocytosis

A decrease in white blood cells, often due to medication.

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Plummer-Vinson Syndrome

A rare condition characterized by a bald tongue, nail issues, heightened risk for cancers of the tongue and throat, and many other signs.

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Sickle Cell Anemia

A genetic disorder causing crescent-shaped red blood cells, typically affects males, and causes muscle & joint pain.

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Leukemia

A type of cancer that starts in blood-forming tissue, like bone marrow.

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Erythroblastosis Fetalis

A condition where a baby's blood cells are broken down in a mother who has Rh-negative blood during childbirth.

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Polycythemia Vera

A condition related to thick dark purple tongue and bleeding gingiva.

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Cystic Hygroma

Congenital fluid-filled mass, often in the neck, but can occasionally occur in the oral cavity.

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Lymphangioma

A benign tumor made up of lymphatic vessels.

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Pyogenic Granuloma

Rapidly growing, vascular lesion, often stemming from trauma or infection.

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Mucosal Neuroma

Benign tumor affecting the nerves of the mucous membranes.

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Neurofibroma

A benign nerve sheath tumor.

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Scleroderma

A systemic disease that primarily features Raynaud's phenomenon, the first sign of the disease.

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Granular Cell Tumor

A benign tumor composed of abnormal cells resembling the granular cells of striated muscle.

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Fibroma

A common intraoral benign neoplasm of connective tissue origin.

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Study Notes

Oral Pathology Study Notes

  • Congenital Absence of Teeth: The congenital absence of six or more teeth is known as oligodontia.

  • Dentinogenesis Imperfecta Type III: This type of dentinogenesis imperfecta is characterized by multiple pulp exposures, periapical radiolucencies, and variable radiographic appearance.

  • Maxillary Central Interpretation: Mesiodens is the most likely interpretation for vital permanent maxillary central teeth in x-ray based images.

  • Differential Diagnoses for Hypercementosis: Cemento-osseous dysplasia, cementoblastoma and condensing osteitis are possible differential diagnoses, but odontogenic keratocyst is not.

  • Enamel Defect: An enamel defect resulting from incomplete enamel matrix formation is called enamel hypoplasia.

  • Maxillary Incisor Anomaly: A patient with an abnormally wide maxillary incisor and three incisors instead of four likely has a fusion anomaly.

  • Amelogenesis Imperfecta Exception: It's not true that amelogenesis imperfecta only affects the permanent teeth.

  • Abnormal Tooth Loss: Non-masticatory physical friction resulting in abnormal loss of tooth structure is called abrasion.

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Description

Test your knowledge on key oral pathology concepts, including congenital conditions, enamel defects, and radiographic interpretations. This quiz covers vital topics like oligodontia, dentinogenesis imperfecta, and anomalies related to maxillary incisors. Perfect for dental students and professionals looking to reinforce their understanding.

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