VIII. INSTRUMENT USED IN SUTURING THE ORAL MUCOSA

Short, stout beaks that have cross hatched surfaces with a single vertical serrations on the face of each beak and equipped with a locking handle and finger rings

Needle holder/ needle drivers/ needle forceps

Use of needle holder

• Grasp the needle

• Guide it through the entire suturing procedure

Needle holder

Adapted to the body of the surgical needle

Needle holder

Cross-hatched surface ensures a positive grip compared to a hemostat which has parallel striations

Types of scissors

1. Dean scissors

2. Iris scissors

3. Metzenbaum scissors

4. Mayo scissors

5. Suture scissors/ stitch scissors

Short, serrated blades with slightly curved handles and a long shank

Dean scissors

Use of Dean scissors

Trims soft tissues and cuts sutures

Most commonly used suture scissors in OS

Dean scissor

Short blades that are small, Sharp, pointed and delicate

Iris scissors

Use of Iris scissors

• cutting or trimming soft tissues that may help in the coaptation of flap margins during wound closure

Can be used to cut through very fine suture materials, but must be AVOIDED to prevent dulling of the blades

Iris scissors

Blunt, rounded tips

Metzenbaum scissors

Use of metzenbaum scissors

• undermines soft tissues

• Can also cut/ trim soft tissues that may aid in the approximation of flap margins during wound closure

Beveled blade that is wider/ heavier and maybe curved or straight

Mayo scissors

Use of mayo scissors

• cut sutures and heavy or thick tissue

Cut sutures and body tissues near the surface of a wound

Straight mayo scissors

Allows deeper penetration into the wound

Curved mayo scissors

Curved blades with blunt ends

Suture scissors

Use of suture scissors

• utilized mainly for cutting sutures

Some variations have a notched blade to hook the suture in place during cutting

Suture scissors