Unit 7 Oral and Maxillofacial Instruments Unit 7-1 PERIOSTEAL ELEVATOR- Seidin: FUNCTION: To detach tissue from bone following an incision or to detach the periosteum and gingival tissues prior to placement of the extraction forceps TRAY SET-UP: Used for most surgical procedures: extractions, gingivoplasty, alveoplasty, and cyst removal VARIETIES: Double ended with one round, blunted end and one pointed end 7A wax spatula may be used as a periosteal elevator COMMON DESIGNS:Seldin, Molt Unit 7-4 STRAIGHT ELEVATORS: FUNCTION: To loosen tooth or root from bony socket prior to placement of the extraction forcep TRAY SET-UP: Tooth and root extraction VARIETIES: Single-end rounded working end in several sizes Often referred to by number- common sizes: 1, 34, 301 ANGULAR ELEVATORS- Potts: FUNCTION: TRAY SET-UP: VARIETIES: To loosen tooth or root from bony socket prior to placement of the extraction forceps Tooth and root extraction Handles may be either large and straight or T-bar design Working end may be rounded or pointed in several sizes Used in pairs COMMON DESIGNS:"flag" or Cryer, Potts, Crane Pick ROOT TIP PICKS- Angled: FUNCTION: To loosen small root fragments from bony socket TRAY SET-UP: Tooth and root extraction VARIETIES: Thin, pointed working end which may be straight or angled Single or double-ended SURGICAL CURETTES- Double ended/angular: FUNCTION: To remove tissue or debris from bony sockets TRAY SET-UP: Extraction and cyst removal VARIETIES: Usually double-ended and angular in several sizes SURGICAL CURETTES- Molt: FUNCTION: To remove tissue or debris from bony sockets TRAY SET-UP: Extraction and cyst removal VARIETIES: Usually double-ended and angular in several sizes Unit 7-20 HEMOSTATS: FUNCTION: TRAY SET-UP: VARIETIES: COMMON NAMES To securely hold small items, clamp blood vessels, remove small pieces of tooth or bone Almost all surgical set-ups Angled or straight with locking, scissor-like handles Mosquito, Kelly Unit 7-22 Unit 7-23 NEEDLE HOLDERS: FUNCTION: To hold suture needle TRAY SET-UP: Any surgical procedure requiring placement of sutures VARIETIES: Similar to hemostat but with a concave area on inside of each beak to allow for curve of suture needle SCALPEL- Handle: FUNCTION: To cut soft tissue - a surgical knife TRAY SET-UP: Most surgical set-ups: impaction, extraction, biopsy, frenectomy, gingivoplasty, alveoplasty, incision and drainage, apicoectomy VARIETIES: Metal, sterilizable handle with replaceable blades Disposable handle with attached blade Common blade sizes: # 11,12, 15 SCALPEL- Blade »11: FUNCTION. TRAY SET-UP: VARIETIES: To cut soft tissue - a surgical knife Most surgical set-ups: impaction, extraction, biopsy, frenectomy, gingivoplasty, alveoplasty, incision and drainage, apicoectomy Metal, sterilizable handle with replaceable blades Disposable handle with attached blade Common blade sizes: # 11, 12, 15 SCALPEL- Blade #12: FUNCTION: TRAY SET-UP: VARIETIES: To cut soft tissue - a surgical knife Most surgical set-ups: impaction, extraction, biopsy, frenectomy, gingivoplasty, alveoplasty, incision and drainage, apicoectomy Metal, sterilizable handle with replaceable blades Disposable handle with attached blade Common blade sizes: # 11, 12, 15 Unit 7-30 SCALPEL- Blade #15: FUNCTION: To cut soft tissue - a surgical knife TRAY SET-UP: Most surgical set-ups: impaction, extraction, biopsy, frenectomy, gingivoplasty, alveoplasty, incision and drainage, apicoectomy VARIETIES: Metal, sterilizable handle with replaceable blades Disposable handle with attached blade Common blade sizes: # 11, 12, 15 Unit 7-32 RONGEURS- End-cutting: FUNCTION: To cut and contour bone, removes sharp edges of alveolar crest after extractions for better contour of alveolar ridge TRAY SET-UP: Multiple extractions, alveolectomy/alveoplasty VARIETIES: Scissor type handles, either side-cutting or end-cutting Unit 7-34 RONGEURS- Side-cutting: FUNCTION: To cut and contour bone, removes sharp edges of alveolar crest after extractions for better contour of alveolar ridge TRAY SET-UP: Multiple extractions, alveolectomy/alveoplasty VARIETIES: Scissor type handles, either side-cutting or end-cutting BONE CHISEL AND MALLET- Bone chisel: FUNCTION: To remove bone for better contour of alveolar ridge TRAY SET-UP: Tori removal, alveoplasty Unit 7-39 BONE CHISEL AND MALLET- Mallet: FUNCTION: To remove bone for better contour of alveolar ridge TRAY SET-UP: Tori removal, alveoplasty Unit 7-40 Unit 7-41 BONE FILE: FUNCTION: rongeurs TRAY SET-UP: VARIETIES: To smooth bone for better contour of alveolar ridge often following use of Multiple extractions and impactions that require bone removal, tori removal, alveoplasty Double ended, straight or curved working ends I Ini» 1-A1 TISSUE SCISSORS- Dean: FUNCTION: To remove soft tissue and cut sutures TRAY SET-UP: Gingivectomy/gingivoplasty, frenectomy, multiple extractions VARIETIES: Iris, Dean, Kelly Straight or curved, 4 Vz inch and 7 inch Unit 7-45 TISSUE SCISSORS- Iris: FUNCTION: To remove soft tissue and cut sutures TRAY SET-UP: Gingivectomy/gingivoplasty, frenectomy, multiple extractions VARIETIES: Iris, Dean, Kelly Straight or curved, 4 V2 inch and 7 inch TISSUE SCISSORS- Kelly: FUNCTION: To remove soft tissue and cut sutures TRAY SET-UP: VARIETIES: Gingivectomy/gingivoplasty, frenectomy, multiple extractions Iris, Dean, Kelly Straight or curved, 4 Vz inch and 7 inch Unit 7-49 SUTURE SCISSORS: FUNCTION: To cut sutures for removal TRAY SET-UP: Suture removal VARIETIES: 3 Vz inch and 5 Vz inch TOWEL CLAMPS: FUNCTION: TRAY SET-UP: VARIETIES: ADDITIONAL USES: To secure surgical drapes and to secure plastic and rubber tubing to drapes Any procedure when face and head are draped to isolate surgical area 3 J6 inch and 5 M inch To remove temporary crowns Unit 7-52