The periodontal flap

2. WHAT IS A PERIODONTAL
FLAP?????????????
A periodontal flap….
Is a section of gingiva or mucosa
Surgically separated from underlying tissues
To provide visibility of and access to bone and root surface

4. CLASSIFICATION OF FLAPS

5. FULL THICKNESS FLAP

6. INDICATION
For displacing flaps
In dehiscence or fenestration

7. ACCORDING TO PLACEMENT OF
FLAP AFTER SURGERY

9. CORONALLY
POSITIONED

10. LATERALLY POSITIONED

13. CONVENTIONAL FLAPS
SPLIT THE PAPILLA INTO FACIAL HALF AND LINGUAL HALF….
eg Modified Widman flap, apically displaced flap…
Indication : interdental area narrow, need to displace flap.

14. PAPILLA preservation FLAP
ENTIRE PAPILLA INCORPORATED INTO ONE OF FLAP
INDICATION: esthetic concern, bone regeneration technique

15. INCISIONS USED IN PERIODONTAL
FLAP

18. INTERNAL BEVEL INCISION
First incision
Also called reverse bevel incision as bevel in reverse direction to
gingivectomy incision
Starts at designated area from gingival margin and aimed at bone
crest…..

19. Portion of gingiva left around tooth
contain epithelium of pocket lining and
adjacent granulomatous tissue

20. CREVICULAR INCISION

22. 3 incisions allow removal of gingiva around the tooth
(pckt epithelium, adajacent granulomatous tissue)
After removing large pieces of Ct osseous lesion curetted –entire root
and bone surface can be observed….
ENVELOP FLAP- FLAPS WITH ONLY HORIZONTAL INCISION

23. VERTICAL INCISION

25. PERIODONTAL
FLAP
CLASSIFICATION
INCISIONS