RGUHS BDS - Oral Pathology & Microbiology PYQs (2011-2025)

Exam Pattern (QP Code: 1188)

• Long Essays (LEQ): 2 × 10 = 20 marks
• Short Essays (SEQ): 8 × 5 = 40 marks
• Short Answers (SAQ): 5 × 2 = 10 marks
• Total: 70 marks | Duration: 3 hours

2025 (March)

1. Classify non-odontogenic epithelial tumors - describe any one in detail
2. Classify cysts of the oral cavity - describe any one odontogenic cyst in detail

2021

1. Classify odontogenic tumors - describe Ameloblastoma in detail
2. Classify salivary gland tumors - discuss Adenoid Cystic Carcinoma

1. Supernumerary teeth
2. Sialolithiasis
3. Odontogenic Keratocyst - features
4. Erythema Multiforme
5. Ludwig's Angina
6. Normal oral flora
7. Cleidocranial Dysplasia
8. Oral manifestations of acquired Syphilis

2020

• Ameloblastoma
• Oral submucous fibrosis
• Leukoplakia
• Odontogenic cysts

2019 (July & December)

• Peripheral giant cell granuloma
• Oral cancer - etiology and pathogenesis
• Periapical granuloma vs cyst
• Pyogenic granuloma
• Oral manifestations of HIV/AIDS

2018 (December)

1. Developmental anomalies affecting the tongue - describe in detail
2. Enumerate mucocutaneous lesions - describe any one

Frequently Repeated Topics (High-Priority for Exam Prep)

Long Essay (Must Prepare)

Short Essay (Regular Repeats)

• Pyogenic granuloma
• Peripheral giant cell granuloma
• Ludwig's Angina
• Erythema Multiforme
• Sialolithiasis
• Lichen Planus - oral manifestations
• Cleidocranial dysplasia
• Oral manifestations of HIV/AIDS
• Osteosarcoma of jaw
• Fibrous dysplasia
• Torus palatinus / Torus mandibularis
• Mucocele
• Ranula
• Papilloma
• Normal oral flora
• Supernumerary teeth

Short Answers (2-mark frequently asked)

• Define: Epulis, Leukoplakia, Erythroplakia, Ankylosis, Hypercementosis
• Rushton bodies
• Satellite cells / Foam cells
• Ghost cells (Calcifying Odontogenic Cyst)
• Owl eye cells
• Orphan Annie eye nuclei
• Psammoma bodies
• Keratin pearls / Epithelial pearls
• Stellate reticulum

Where to Download Actual Paper PDFs

1. FirstRanker.com - has year-wise papers from 2011 to 2021: RGUHS BDS 3rd Year Papers (2011-2021)
2. Official RGUHS website - rguhs.ac.in (go to Examinations > Question Papers)
3. Scribd - search "RGUHS 1188 oral pathology" for individual year papers
4. ExcelBDS.com - Oral Pathology Question Papers page has bundled PDFs

RGUHS III BDS - Oral Pathology & Microbiology PYQs

Year-Wise Compiled Question List (2011-2026)

2026 (March)

1. Classify malignant tumors of bone - describe any one in detail
2. Classify odontogenic tumors - describe any one in detail

2025 (March - 27th March)

1. Classify non-odontogenic epithelial tumors - describe any one
2. Classify cysts of oral cavity - describe any one odontogenic cyst in detail

2022 (September)

• Full paper set on Scribd - includes Oral Pathology & Microbiology section

2021

1. Classify odontogenic tumors - describe Ameloblastoma in detail (clinical, histopathological, radiographic features and treatment)
2. Classify salivary gland tumors - describe Adenoid Cystic Carcinoma

1. Supernumerary teeth
2. Sialolithiasis
3. Odontogenic Keratocyst - histological features
4. Erythema Multiforme
5. Ludwig's Angina
6. Normal oral flora
7. Cleidocranial Dysplasia
8. Oral manifestations of acquired Syphilis

1. Rushton bodies
2. Stellate reticulum
3. Keratin pearls
4. Ghost cells
5. Orphan Annie eye nuclei

2020

1. Classify premalignant lesions and conditions - describe Oral Submucous Fibrosis in detail
2. Classify odontogenic cysts - describe Dentigerous cyst

1. Pyogenic granuloma
2. Peripheral giant cell granuloma
3. Fibrous dysplasia
4. Osteosarcoma of jaw
5. Candidiasis - oral manifestations
6. Dental caries - theories of etiology
7. Periapical granuloma
8. Oral flora - significance

1. Leukoplakia - definition
2. Hypercementosis
3. Epulis
4. Psammoma bodies
5. Foam cells

2019 (June)

1. Classify developmental disturbances in teeth - describe Amelogenesis Imperfecta in detail
2. Classify cysts of the maxillofacial region - describe any one non-odontogenic cyst

1. Dens invaginatus
2. Taurodontism
3. Periapical abscess
4. Oral manifestations of HIV/AIDS
5. Mucocele
6. Ranula
7. Dental caries - Stephan curve
8. Staphylococcal infections of oral cavity

2019 (December)

1. Enumerate and classify benign tumors of oral cavity - describe Fibroma in detail
2. Classify periodontal cysts - describe Lateral periodontal cyst

1. Oral submucous fibrosis
2. Lichen planus - oral manifestations
3. Gingival fibromatosis
4. Aphthous ulcers
5. Tuberculous ulcer
6. Oral flora - normal
7. Streptococcal infections
8. Necrotizing ulcerative gingivitis

2018 (December)

1. Write in detail about developmental anomalies affecting the tongue
2. Enumerate mucocutaneous lesions - describe any one in detail

1. Papilloma
2. Hemangioma
3. Lymphangioma
4. Peripheral ossifying fibroma
5. Cherubism
6. Actinomycosis
7. Herpes zoster - oral manifestations
8. Normal microbial flora of oral cavity

1. Cowdry type A inclusion bodies
2. Owl eye appearance
3. Koplik's spots
4. Pseudo-membrane
5. Tzanck cells

2017

1. Classify benign epithelial tumors - describe Squamous Cell Carcinoma (SCC) in detail
2. Classify salivary gland diseases - describe Pleomorphic Adenoma

1. Leukoplakia - clinical features and histopathology
2. Erythroplakia
3. Torus palatinus
4. Osteomyelitis of jaw
5. Periapical cemental dysplasia
6. Dental caries - G.V. Black classification
7. Herpes simplex - primary and secondary
8. Oral flora role in systemic disease

2016 (December)

1. Classify odontogenic cysts - describe Odontogenic Keratocyst (OKC) in detail
2. Describe etiology, pathogenesis, clinical features, histopathology, and treatment of Oral Cancer (SCC)

1. Dentigerous cyst
2. Gingival cyst
3. Aneurysmal bone cyst
4. Peripheral giant cell granuloma
5. Oral manifestations of anemia
6. Paget's disease of bone
7. Candidiasis
8. Viral hepatitis - oral significance

1. Stellate reticulum
2. Daughter cyst
3. Ghost cell
4. Onion skin appearance
5. Tobacco pouch keratosis

2015 (December)

1. Classify and describe Giant Cell Lesions of the jaw
2. Enumerate premalignant lesions - describe Leukoplakia in detail (etiology, clinical features, histopathology, malignant transformation)

1. Nasolabial cyst
2. Calcifying odontogenic cyst
3. Central giant cell granuloma
4. OSMF - etiology and pathogenesis
5. Lichen planus - types and oral manifestations
6. Pemphigus vulgaris
7. Dental caries - Streptococcus mutans role
8. AIDS - oral manifestations

1. Rushton bodies
2. Palisading nuclei
3. Epulis fissuratum
4. Tuberculosis - primary complex
5. Koplik's spots

2014 (December)

1. Classify odontogenic tumors - describe Calcifying Epithelial Odontogenic Tumor (CEOT)
2. Describe etiology, pathogenesis, microscopic features of Periapical Granuloma vs Periapical Cyst - differences

1. Ameloblastic fibroma
2. Odontoma - types
3. Eruption cyst
4. Median palatal cyst
5. Tobacco-associated lesions
6. White sponge nevus
7. Microbiology of periodontal disease
8. Streptococcus mutans

2014 (June)

1. Classify salivary gland tumors - describe Mucoepidermoid Carcinoma in detail
2. Classify Jaw cysts - describe Dentigerous Cyst

1. Warthin's tumor
2. Necrotizing sialometaplasia
3. Sialadenitis
4. Sjogren's syndrome
5. Erythema multiforme
6. Pemphigoid
7. Actinomycosis
8. Candidal leukoplakia

2013 (June)

1. Classify developmental disturbances in size of teeth - describe Macrodontia and Microdontia
2. Classify bone lesions of jaw - describe Fibrous Dysplasia in detail

1. Fusion and Gemination
2. Taurodontism
3. Hypercementosis
4. Cemento-ossifying fibroma
5. Osteoma
6. Chondrosarcoma
7. Oral flora
8. Microbiology of dental caries

1. Dens in dente
2. Concrescence
3. Dilaceration
4. Turner's tooth
5. Neonatal teeth

2012 (July)

1. Classify reactive lesions of oral cavity - describe Pyogenic Granuloma in detail
2. Classify pigmentation disorders - describe Melanotic Neuroectodermal Tumor of Infancy (MNTI)

1. Focal epithelial hyperplasia
2. Epulis fissuratum
3. Denture stomatitis
4. Geographic tongue
5. Median rhomboid glossitis
6. Angular cheilitis
7. Candida albicans - pathogenicity
8. Bacteria in periodontal abscess

2011 (June)

1. Classify benign tumors of oral soft tissue - describe Neurofibroma
2. Describe the classification, pathogenesis, histology, and treatment of Ameloblastoma

1. Gorlin-Goltz syndrome
2. Basal cell carcinoma - oral aspects
3. Kaposi's sarcoma
4. Non-Hodgkin's lymphoma - jaw
5. Verrucous carcinoma
6. HPV and oral cancer
7. Oral flora in immunocompromised patients
8. Herpes simplex virus

1. Palisading nuclei
2. Reverse smoking
3. Oral submucous fibrosis - etiology
4. Owl-eye cells
5. Erythroplakia - definition

Notes on Paper Availability

1. FirstRanker.com (2011-2021 PDFs): RGUHS BDS 3rd Year Papers
2. RGUHS Official Portal: rguhs.ac.in → Examinations → Previous Question Papers
3. Scribd - search "RGUHS 1188 oral pathology" + year

Most Repeated Topics (Gold Zone for Exam Prep)