All Free Oral Pathology and Medicine MCQs with Answers

• A. Hypoparathyroidism
• B. Mongolism (Down's Syndrome
• C. Pierre Robin Syndrome
• D. Cleidocranial dysplasia

Explanation: Cleidocranial dysplasia characteristically causes delayed eruption of permanent teeth together with numerous unerupted supernumerary teeth…

• A. paget's disease
• B. fibrous dysplasia
• C. Osteopetrosis
• D. Osteogenesis imperfecta

Explanation: Paget disease produces a mosaic or “jigsaw puzzle” pattern histologically and may show a cotton-wool appearance radiographically.

• A. Synovial chondromatosis
• B. Ankylosis
• C. Subluxation
• D. Osteorthritis

Explanation: Rheumatoid inflammation of the TMJ can progressively destroy the articular surfaces and lead to fibrous or bony ankylosis, a classic…

• A. Maxillary prognathism
• B. Mandibular retrognathia
• C. Maxillary hypoplasia
• D. Mandibular prognathism

Explanation: Down syndrome commonly produces midface and maxillary hypoplasia, with a flat nasal bridge and the appearance of relative mandibular…

• A. Maxillofacial Dysostosis
• B. Condylar Dysostosis
• C. Maxillomandibulofacial Dysostosis
• D. Mandibulofacial Dysostosis

Explanation: Treacher Collins syndrome is also called mandibulofacial dysostosis, a developmental disorder involving the mandible, zygomas, maxilla and…

• A. Rendu-Osler-Weber disease
• B. Maffuci's syndrome
• C. Angioosteohypertrophy syndrome
• D. Sturge weber syndrome

Explanation: Sturge-Weber syndrome is a neurocutaneous vascular disorder involving leptomeningeal angiomas, often with a facial port-wine stain and…

• A. Crouzon's syndrome
• B. Apert's syndrome
• C. Pierre robin syndrome
• D. Down syndrome

Explanation: Apert syndrome is an acrocephalosyndactyly syndrome marked by craniosynostosis, abnormal digit development such as polydactyly or…

• A. Osteopetrosis
• B. Osteogenesis imperfecta
• C. Osteitis deformans
• D. Acromegaly

Explanation: Paget disease, also called osteitis deformans, carries an increased risk of secondary osteosarcoma.

• A. Cherubism
• B. Fibrous dysplasia
• C. Craniofacial dysplasia
• D. Paget's disease of the bone

Explanation: Paget disease shows a mosaic pattern of bone remodeling, with prominent reversal lines separating successive areas of resorption and…

• A. Osteosarcoma
• B. Multiple Myeloma
• C. Metastatic carcinoma
• D. Ewing sarcoma

Explanation: Multiple myeloma is commonly regarded as the most frequent primary malignant tumor involving bone overall, although osteosarcoma is the…

• A. Micrognathia
• B. Retrognathia
• C. Coloboma of lower eyelid
• D. Glossoptosis

Explanation: Pierre-Robin syndrome is characterized by mandibular micrognathia or retrognathia, posterior displacement of the tongue called…

• A. Primary hyperparathyroidism
• B. Phantom bone disease
• C. Paget's disease
• D. Osteopetrosis

Explanation: Osteopetrosis results from defective osteoclastic bone resorption, so normal eruption paths may remain blocked and teeth can fail to…

• A. Fibrous dysplasia
• B. Ossifying fibroma
• C. Focal cementoosseous dysplasia
• D. Periapical cementoosseous dysplasia

Explanation: Fibrous dysplasia is commonly caused by postzygotic activating mutations of the GNAS gene, producing abnormal Gs-alpha signaling and…

• A. Pulse granuloma
• B. Pannus
• C. Baker's cyst
• D. Immune granuloma

Explanation: A pannus is vascular inflammatory granulation tissue in rheumatoid arthritis that spreads over and progressively destroys the articular…

• A. Hyperparathyroidism
• B. Acromegaly
• C. Fibrous dysplasia
• D. paget's disease

Explanation: Paget disease commonly affects older adults and can cause enlargement and expansion of the maxilla or mandible, sometimes producing…

• A. Adult skeleton
• B. Pubertal skeleton
• C. Infantile skeleton
• D. Prepubertal skeleton

Explanation: Paget disease is a chronic, progressive disorder of bone that occurs mainly in adults, especially older adults.

• A. pagets disease and osteopetrosis
• B. pagets disease and polyostotic fibrous dysplasia
• C. Cherubism and Polyostotic fibrous dysplasia
• D. Cherubism and pagets disease

Explanation: Osteosarcoma can arise as a secondary malignancy in Paget disease and, less commonly, in polyostotic fibrous dysplasia.

• A. Fibrous Dysplasia
• B. Acromegaly
• C. Paget's disease
• D. Rickets

Explanation: Paget disease in an older adult can cause enlargement and expansion of the maxilla, producing facial and jaw changes.

• A. Surgical excision
• B. Removal of adjacent teeth
• C. Irradiation of the lesion
• D. Conservative surgery

Explanation: Fibrous dysplasia is usually managed conservatively, with contouring or other limited surgery when function or appearance requires it.

• A. Achondroplasia
• B. Pituitary dwarfism
• C. Acromegaly
• D. Cretinism

Explanation: Achondroplasia produces disproportionate short-limb dwarfism, a prominent forehead, and relative midface or maxillary retrusion, while…