intro to oral path

Question 1

diseases

Answer 1

“Pathos”

Question 2

study of

Answer 2

“logos”

Question 3

The practice of oral & maxillofacial pathology includes research, diagnosis of diseases including clinical, radiographic, microscopic/ histopathology, biochemical and other examination and management of patients

Answer 3

oral pathology

Question 4

CLASSIFICATION OF ORAL DISEASES

According to tissue affected

Answer 4

a. Hard tissue – jaw bone and teeth including the maxillofacial region​

b. Soft tissues in the oral and para oral region​

1. Epithelial origin​
2. Mesenchymal origin

Question 5

Epithelial origin

Lesions originated from _________ epithelium​

Lesions originated from ____________ epithelium​

Lesions originated from ___________ epithelium

Answer 5

Odontogenic
Non Odontogenic
Glandular

Question 6

Mesenchymal tissue origin (7)

Answer 6

Lesions Originated from muscles​

Lesions Originated from blood and lymphatics​

Lesions Originated from fibrous tissues​

Lesions Originated from nerves​

Lesions Originated from adipose tissue​

Lesions originated from bones​

Lesions originated from cartilage

Question 7

Developmental Disturbances of the Teeth (4)​

Answer 7

A. Alterations in Size - Microdontia - Macrodontia ​

B. Alterations in Number and Eruption - Supernumerary - Anodontia - Impaction ​

C. Alterations in Shape / Form ​

Crown - Fusion - Gemination - Taurodontism - Talon’s Cusp - Leong’s Cusp - Dens Invaginatus - Peg-shaped Lateral - Hutchinson’s Incisor - Mulberry Molar ​

Root - Concrescence - Enamel Pearl - Dilaceration - Flexion - Ankylosis ​

D. Defects of Enamel and Dentin - Amelogenesis imperfecta - Dentinogenesis imperfecta - Dentin dysplasia​

Question 8

Hard Tooth -Tissue Reduction (3)

Answer 8

1. Attrition ​
2. Abrasion ​
3. Erosion

Question 9

Traumatic Injuries of Teeth (3)

Answer 9

1. Concussion ​
2. Luxation ​
3. Fracture

Question 10

Abnormalities of the Pulp(3)

Answer 10

1. Pulp Calcification ​
2. Internal Resorption ​
3. External Resorption

Question 11

Classification of oral diseases

By their Presumed Origin

Answer 11

a. Odontogenic​

B. Non Odontogenic

Question 12

Classification of oral diseases

By their Location

Answer 12

Bony ( mandible and maxillary)
Gingiva​
Tongue
Hard and soft palate​
Cheeks
mucosal area​

Question 13

Surface lesions of the mucosa​

​

Depressed - ________​

Flattened – ________
Elevated ​

1. Blister form. ( fluid filled)
   a. ____
   b.____
   c. ____
2. Non -Blister form ( non fluid filled) ​

a. _______

b. _____

c. _______

​

Answer 13

ulcers
macule​

a. vesicular
b. bulla
c.pustule

papule < 5mm​
nodule - more than 5mm and less than 2cm
tumor > 2cm​​

Question 14

Below the surface

______ break or defect of the mucosa​

_______- shallow defect due to trauma​

________

_______
- periapical​
- periodontal​

_______

​

Answer 14

Ulcers
Erosion
Cellulitis​
Abscess​
Cyst​

Question 15

Flat, even , raised lesions​

Answer 15

Ecchymosis​

Petechiae​

Nodules​

Granuloma​

Tumor​

​

Question 16

Diagnostics Aids in Pathology​

Answer 16

Exfoliative cytology​

Vital dyes​

Tissue biopsy​

Surgical removal of living tissue for microscopic examination​

            ​

a. incisional biopsy​

b. excisional biopsy​

Question 17

Tissue processing​

Answer 17

Fixative – ​

Decalcification – for hard tissue​

Dehydration- removal of water ; concentration of ethanol used​

Clearing – xylene used to remove alcohol​

Infiltration – paraffin wax used​

Embedding​

Sectioning staining​