includes different types of biopsy used in diagnosis of oral diseases

1. Oral biopsy
By Damini
Roll no-734

3. Uses of biopsy

4. Objectives of biopsy
1} Define a lesion on the basis of its histopathological
aspect
2} Facilitate the prescription of specific treatment
3} Confirm a diagnosis made on clinical findings
4} Acts as document with medico-legal importance

5. Indications for biopsy
Inflammatory lesion that do not respond to local treatment
For 10-14 days
Lesions that interfere with local functions (eg-fibroma)
Red or white lesions
Persistent keratotic changes
Characteristics of malignancy

6. Contraindications of biopsy

7. Precautions in oral biopsy

8. armamentarium

9. Classification
1} Surgical biopsy(Incisional or Excisional)
2} Fine needle aspiration biopsy(FNAC)
3}Thick needle/Core biopsy
Source- Cawson’s essentials of oral pathology
and oral medicine(8th edition)

10. Methods by which material may be obtained from a lesion
1} surgical excision by scalpel
2} surgical removal by cautery or a high frequency
cutting knife
3} laser
4} biopsy punch
5} exfoliative cytology technique
Source-shaffer’s textbook of oral pathology (5th edi)

36. thankyou