Tab1

INCISION	DESCRIPTION	INDICATION	INSTRUMENTS
EXTERNAL BEVEL	Performed in the coronal direction	Gingivectomy; clinical crown augmentation; gingivoplasty; gingival growth	Kirkland gingivectomy knife; Orbangingivectomy knife; blades 11D; blades 15; 360 degrees, Laser gingivectomy
INTERNAL BEVEL (reverse or inverted bevel)	Performed in the apical direction, made on the crestof the gingivalmargin, or 0.5 to 2.0 mm away from the margin	Excisional procedures for new insertion; modified Widman flap; clinical crown augmentation; gingival augmentation	Blades 11,12 or 12B, 15 or 15C
SULCULAR (of the sulcus)	Performed in the apical direction, madein the sulcus and performed in the direction of the alveolar crest	Procedures for preservation of the papillae; estheticare as; are as with little kerati- nized tissue; guided tissue regeneration procedures (GTR)	Blades 11,12 or 12B, 15 or 15C
RELAXING (vertical)	Perpendicular to the gingival marginat the angle soft transition of the teeth	Increaseaccesstoallowtheflaptobe positionedtowardsthecoronalorapical region	Blades 11,12 or 12B, 15 or 15C
FOR THINNING	Internal, extends from the gingival margin inthedirectiontowardsthebaseofthe flaptodiminishthevolumeofconnective tissueontheinternalsurfaceoftheflap	Palatal flaps; distal wedge procedures; gingivectomy with internal bevel; volumi- nous papillae	Blades 11,12 or 12B, 15 or 15C
CONTRAINCISION	Smallincisionmadeintherelaxinginci- sion,anddirectedtowardsthebaseofthe flap	Laterally positioned pediculated flaps	Blades 11, 15 or 15C
RELAXING INCISION IN THE PERIOSTEUM	Incisionatthebaseoftheflap,cuttingthe subjacentperiosteum	To release the tension on the flap, allow- ing it to advance in the coronal direction	Blades 11, 15 or 15C