3 armamentariums in os rt(140) Dr. RAHUL TIWARI

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ARMAMENTARIUMS FOR ORAL SURGERY Dr. Rahul Tiwari – 2 nd Yr. MDS – PG Student. Department of Oral & Maxillofacial Surgery. 10/29/22 10:57:00 AM Armamenteriums for Oral Surgery/3RT/140 1

Transcript of 3 armamentariums in os rt(140) Dr. RAHUL TIWARI

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Armamenteriums for Oral Surgery/3RT/140 1

ARMAMENTARIUMS FORORAL SURGERY

Dr. Rahul Tiwari – 2nd Yr. MDS – PG Student.Department of Oral & Maxillofacial Surgery.

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CONTENTS Introduction Instruments for Transferring Sterile

Instruments Instruments for Incising Tissue Instruments for Elevating Mucoperiosteum Instruments for Retracting Soft Tissue Instruments for Controlling Hemorrhage Instruments for Grasping Tissue Instruments for Removing Bone Instruments for Removing Pathologic Tissue

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CONTENTS Instruments for Suturing Mucosa Instruments for Holding the Mouth Open Instruments for Suctioning Instruments for holding towels & drapes in position Instruments for Irrigating Instruments for Extracting the Teeth -Local Anesthetic instruments -Dental elevators -Extraction forceps Instrument trays Conclusion References

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INTRODUCTION Myriad of instruments- oral surgical

procedures Variety of purposes: -hard tissue -soft tissue

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INSTRUMENTS FOR TRANFERRING STERILE INSTRUMENTSCHEATLE FORCEPS Long handles Long, angulated beaks: serrated Beaks: dipped in antiseptic solution Lift up sterile instruments from autoclave/

drum

TRANSFER FORCEPS Heavy, right-angled – heavy jaws

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SWAB HOLDING FORCEPS

Long handles, straight beaks- fenestrated ends

Rings : end of handles Working end- inner aspect: serrated Pick up sterile gauze- transfer to tray Hold gauze dipped in antiseptic solution-

scrub the surgical field

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INSTRUMENTS FOR INCISING

TISSUE

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INSTRUMENTS FOR INCISING TISSUE

SCALPEL: Handle- No. 3, No.7 Differently shaped Disposable, sterile sharp blade:

BLADES:1. No.15- most commonly usedo Relatively smallo Around teeth through mucoperiosteum

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INSTRUMENTS FOR INCISING TISSUE

2. No.10- similar to No.15o Large skin incisions3.No. 11o Sharp, pointed o Small stab incisionso Incising an abscess4.No.12o Hookedo Mucogingival procedureso Posterior aspect of teeth/ maxillary

tuberosity

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INSTRUMENTS FOR INCISING TISSUE

Blade loaded

Blade removed

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Remember.. Pen Grasp: Allow maximal control Hold mobile tissue firmly Press down firmly Single- patient use: dulled easily Several incisions : single operation- 2nd

blade Dull blades: no clean sharp incisions

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INSTRUMENTS FOR ELEVATING MUCOPERIOSTE

UM

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INSTRUMENTS FOR ELEVATING MUCOPERIOSTEUM

Mucosa & Periosteum reflected in single layer: Periosteal Elevator

I. No.9 Molt periosteal elevatoro sharp, pointed end: reflect papillae from

between teeth, loosen soft tissues via gingival sulcus

o Broader, flat end: elevating the tissue from bone

o Thin, sharp cutting edge- clean separation of periosteum from bone

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INSTRUMENTS FOR ELEVATING MUCOPERIOSTEUM

Round ended Molt periosteal elevator o Single/double ended

Reflection of soft tissue- 3 methods1. Prying motion: pointed end to elevate soft

tissue2. Push stroke: broad end slid under the flap-

separates mucoperiosteum from bone3. Pull/ Scrape: tends to shred periosteum ,if not

careful

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INSTRUMENTS FOR ELEVATING MUCOPERIOSTEUM

Also used as retractor Periosteum elevated Broad blade pressed against bone: flap

elevated into reflected position

II. Woodson periosteal elevator Relatively small & delicate Loosen the soft tissues via gingival

sulcus

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INSTRUMENTS FOR ELEVATING MUCOPERIOSTEUM

III. Howarth’s Periosteal Elevatoro Double-endedo One end: flat, broad, spatulate- sharp

edgeo Other end: Rugine end; flat &

rectangular. Small tip – sharp projection perpendicular

o Reflection & retraction : mucoperiosteal flaps

o Reflection: periosteum

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INSTRUMENTS FOR ELEVATING MUCOPERIOSTEUM

IV. Moon’s Probeo Right angled- narrow working edgeo Flat handle & blade; blade perpendicular

to handleo Narrow working edge; blunt & rounded

tipo Mucoperiosteal elevation : prior to

extractiono Objective symptom: anesthesia

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Armamenteriums for Oral Surgery/3RT/140

INSTRUMENTS FOR

RETRACTING SOFT TISSUE

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INSTRUMENTS FOR RETRACTING SOFT TISSUE

Good vision & access Cheeks, tongue & mucoperiosteal flaps

Right angle Austin retractoro ‘L’-shaped- no handleo Retraction of small intraoral flaps:

removal of impacted teeth

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INSTRUMENTS FOR RETRACTING SOFT TISSUE

Offset broad Minnesota retractor

Both Austin’s & Minnesota : retract cheek & mucoperiosteal flap simultaneously

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INSTRUMENTS FOR RETRACTING SOFT TISSUE

Before flap- retractor held loosely in the cheek

After flap reflection- retractor placed on the bone & used to retract the flap

Seldin retractoro Similar to a periosteal elevatoro Leading edge: dull- shouldn’t reflect

periosteum

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INSTRUMENTS FOR RETRACTING SOFT TISSUE

Periosteal elevator- primary instrument for retraction

-positioned on the bone & held to reflect tissueMouth Mirroro Common –Retract tongueWeider Retractoro Broad, heart-shapedo Serrated on one side: firmly engage tongue,

retract it medially & interiorlyo Don’t position posteriorly- gagging

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INSTRUMENTS FOR RETRACTING SOFT TISSUE

Langenback’s Retractoro ‘L’ shaped retractor- long handleo Retraction of flap edges : improved

visualization of deeper layers & structures

o Different sizes: handle length & blade width

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INSTRUMENTS FOR RETRACTING SOFT TISSUE

Tongue Depressoro ‘L’- shaped; no handleo Broad, flat, rounded bladeo Retraction & depression of tongueo Improve visibility- posterior pharyngeal

wall & tonsillar region, lingual side of mandible

o Removal of throat packo As cheek retractor

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INSTRUMENTS FOR RETRACTING SOFT TISSUE

Towel clipo Hold the tongueo Biopsy: performed on the posterior

aspect; by holding the anterior tongue

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INSTRUMENTS FOR

CONTROLLING HEMORRHAGE

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INSTRUMENTS FOR CONTROLLING HEMORRHAGE

Arteries & veins- bleeding : pressure not enough

Hemostato Variety of shapeso Small or delicate/ Largero Straight/ Curvedo Curved hemostat- commono Long, delicate beak to grasp tissue & a

locking handle

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INSTRUMENTS FOR CONTROLLING HEMORRHAGE

Locking handle: clamps onto a vessel; then let go & remains clamped onto tissue

Removes granulation tissue Picks up root tips, pieces of calculus,

fragments of amalgam restorations, any other small

particles dropped into the mouth Small hemostat: Mosquito forceps Eg: Crile, Spencer Wells, Halstead mosquito

artery forceps

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INSTRUMENTS FOR

GRASPING TISSUE

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INSTRUMENTS FOR GRASPING TISSUE

Soft tissue stabilization- pass suture needle

Adson’s Tissue Forceps/ Pickupso Delicate forceps o Small teetho Gently hold tissue & stabilizeo Don’t grasp too tight- crushingo Non-toothed

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INSTRUMENTS FOR GRASPING TISSUE

Tissue Holding Forcepso Toothed/ Non- toothedo Toothed: periosteum, muscle,

aponeurosiso Non- toothed: fascia, mucosa,

pathological tissues

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INSTRUMENTS FOR GRASPING TISSUE

Stillies forcepso Longer, but similar to Adson’so 7”-9” longo Easy grasp of tissue in the posterior partCollege/Cotton forcepso Angledo Small fragments of tooth/amalgam/foreign

materialo Placing/removing gauze packs

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INSTRUMENTS FOR GRASPING TISSUE

Allis Tissue forcepso Locking handles - proper placement - held by asst. :necessary tensiono Teeth which will firmly grip the tissueo Removal of large amounts of fibrous

tissue

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INSTRUMENTS FOR GRASPING TISSUE

Russian Tissue forcepso Large, round-endedo Teeth elevated from socketso Round end: positive grip, avoids

slippage; unlike hemostato Placement of gauze: isolation

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INSTRUMENTS FOR GRASPING TISSUE

Babcock’s Tissue Holding Forcepso Non-toothed bladeso Long beaks- broad working edgeo Smooth, non-serrated edgeso Rings- locking mechanismo Hold delicate tissues: mucosa, lymph

nodeso Holding cyst lining during enucleation

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INSTRUMENTS FOR REMOVING

BONE

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INSTRUMENTS FOR REMOVING BONE

Rongeur forcepso Most commonly usedo Sharp blades- squeezed together;

cutting/pinching through boneo Leaf spring between the handle :

instrument opens when hand pressure is released

o Repeated cuts without manually reopening

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INSTRUMENTS FOR REMOVING BONE

2 major designs: Side-cutting Side-cutting & end-cutting/ Blumenthal rongeurs - most dentoalveolar surgical procedures - inserted into sockets: interradicular

bone - sharp edges of bone

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INSTRUMENTS FOR REMOVING BONE

Large amounts of bone, quickly & efficiently

Do not : -remove large amounts of bone in single

bites - use to remove teeth Small amounts- multiple bites

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INSTRUMENTS FOR REMOVING BONE

Chiselo Monobevel chisel: bone is removedo Bibevel chisel: teetho Success: sharpness- sharpen before

sterilisation

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INSTRUMENTS FOR REMOVING BONE

Cylindrical handle- serrated with flat end: struck with mallet

Flat & rectangular: cutting edge in different sizes

Single bevel- cutting edge

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INSTRUMENTS FOR REMOVING BONE

Transalveolar extraction/ removal of impacted tooth

Shape/ contour irregular bony surfaces Bevel faces- bone to be cut Cutting edge- perpendicular to bone

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INSTRUMENTS FOR REMOVING BONE

Osteotome Splitting bone Cylindrical handle- serrated for good grip Flat end- tapped with mallet Flat & rectangular blade

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INSTRUMENTS FOR REMOVING BONE

Osteotomy cuts: orthognathic surgery/ refracturing malunited fractures

Osteoplasty/ bone recontouring Split impacted tooth for easy removal

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INSTRUMENTS FOR REMOVING BONE

Surgical Mallet Cutting bone with osteotome/ chisel Stainless steel- strong cylindrical handle Tapped : ‘pull-back’ action- force from

wrist Tapped with controlled force; made to

spring back from chisel/ osteotome # jaw: inadvertent force

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Armamenteriums for Oral Surgery/3RT/140

INSTRUMENTS FOR REMOVING BONE

Bone fileo Final smoothing of bone

before suturing of mucoperiosteal flap: small

o Double-ended: small & large

o Removes bone: pull strokeo Avoid push motion-

burnishing & crushing the bone

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INSTRUMENTS FOR REMOVING BONE

Bur and Handpieceo Surgical removal of teetho High-speed + sharp carbide burs:

cortical bone removalo No. 557,703 fissure burs; No.8 round buro Large bone bur : acrylic bur- large bone

removal (torus)

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INSTRUMENTS FOR REMOVING BONE

o Completely sterilizable in a steam autoclave: ensure on purchase

o Relatively high speed & torque: rapid bone removal & efficient sectioning

o Must not exhaust air into the operative field

o Avoid high-speed turbine drills used in restorative dentistry:

tissue emphysema

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INSTRUMENTS FOR REMOVING PATHOLOGICAL TISSUE

Periapical Curetteo Angled, double-endedo Removal of granulomas/small cysts from

periapical lesionso Small amounts of granulation tissue

debris from tooth sockets

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INSTRUMENTS FOR REMOVING PATHOLOGICAL TISSUE

Sinus Forceps Handles with rings at the end No lock/ ratchet Narrow, long, slender beaks Inner surface- transverse striations: close to

the tip Draining pus from an abscess Inserted by blunt dissection & opened up No lock: blind insertion & closure- injure

structures

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INSTRUMENTS FOR SUTURING

MUCOSA

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INSTRUMENTS FOR SUTURING MUCOSA

Flap returned to its original position & held by sutures

I. Needle holdero Instrument with a locking handle, short,

stout beak o I/O use: 6” or 15cm recommendedo Beak- shorter & stronger than hemostato Face of the beak crosshatched : positive grasp; unlike hemostat

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INSTRUMENTS FOR SUTURING MUCOSA

o Held in the proper fashion: control & direct

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INSTRUMENTS FOR SUTURING MUCOSA

Thumb & ring finger through the rings Index finger along the length of the

holder Second finger- aids in controlling the

locking mechanism Index finger through the finger ring:

dramatic decrease in control

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COMPARISON Hemostat: Beaks smaller than sinus

forceps, longer than needle holder; transverse striations; ratchet

Needle holder: Criss-cross striations; ratchet

Sinus forceps: striations only near the tip; no ratchet

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INSTRUMENTS FOR SUTURING MUCOSA

II. Suture needleo Mucosal closure: ½ circle or 3/8 circleo Curved: pass through a limited space;

twisted wristo Large variety of shapeso Very small – very largeo Tips: (i) tapered- sewing needle (ii) triangular – cutting needle

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INSTRUMENTS FOR SUTURING MUCOSA

o Cutting needle: pass through mucoperiosteum more easily than a tapered needle

o 1/3 – cutting; remaining- round

o Tapered : vascular, ocular

o Care: cut through tissues lateral to the track

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INSTRUMENTS FOR SUTURING MUCOSA

o Suture material: usually swaged ono Held 2/3rd – between the tip & the base: - enough exposed to pass through the

tissue - grasp in the strong portion to prevent

bending

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INSTRUMENTS FOR SUTURING MUCOSA

III. Suture materialClassified based on: Diametero Oral mucosa: 3-0 (000) - withstand tension intraorally - easier knot tyingo 6-0 < 5-0 < 4-0 < 3-0< 2-0 < 0o 6-0: conspicuous planes- face: less

scarring

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INSTRUMENTS FOR SUTURING MUCOSA

Resorbability o Nonresorbable : silk, nylon, vinyl & stainless

steel, prolene.o Resorbable primarily made of gut- serosal surface of sheep

intestines - plain catgut: resorbs in 3-5 days - chromic gut: 7-10 days

- vicryl

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INSTRUMENTS FOR SUTURING MUCOSA

Synthetic: long chains of polymers- braided - polyglycolic acid - polylactic acidAdvantages Easy to handle & tie Rarely untied Cut ends: soft & nonirritatingDisadvantages ‘Wick’ oral fluids- underlying tissues Bacteria + saliva

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INSTRUMENTS FOR SUTURING MUCOSA

3-0 Black silk Appropriate strength Easy to tie Well tolerated by tissues Easily recognizable – removal Wicking- not significant3-0 chromic suture- removal not needed

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INSTRUMENTS FOR SUTURING MUCOSA

IV. Scissorso Short cutting edgeso Long handleso Thumb & ring fingerso Held same as needle holderDean scissorso Slightly curved handleso Serrated blades

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Tissue scissors Iris scissors & Metzenbaum scissors Straight or curved blades Iris: small, sharp pointed, delicate Metzenbaum: undermining soft tissue &

cutting; sharp or rounded tips Don’t cut sutures: less effective & more

traumatic Iris: Very fine skin sutures

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INSTRUMENTS FOR

HOLDING THE MOUTH

OPEN

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INSTRUMENTS FOR HOLDING THE MOUTH OPEN

Soft, rubberlike block- patient rests teeth Patient opens to comfortably wide

position- block inserted: holds in the position

Protects patient’s TMJ, while mandibular teeth

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INSTRUMENTS FOR HOLDING THE MOUTH OPEN

Various sizes: various sized patients & varying degrees of opening

Wider opening- position more posteriorly Pediatric-sized block: adequate over

molars

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INSTRUMENTS FOR HOLDING TE MOUTH OPEN

Side-action Mouth prop/ Molt Mouth prop

Used for wider mouth opening Ratchet-type action: opening wider as

handle is closed Caution : great pressure to joint/teeth-

injury Deeply sedated Mild trismus

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INSTRUMENTS FOR HOLDING THE MOUTH OPEN

Mouth Gag Forcefully open mouth: trismus Broad, serrated blades: rest on occlusal

surface of molars: instrument opened : slow, gradual force

Keep mouth open: procedures under G/A

Fergusson Ackland mouth gag

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Remember.. Histers jaw elevator Avoid opening too wide: stress on TMJ

Stretch injury Long procedures: remove periodically;

move the jaw; rest the muscles

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Armamenteriums for Oral Surgery/3RT/140

INSTRUMENTS FOR

SUCTIONING

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INSTRUMENTS FOR SUCTIONING

Adequate visualization: blood, saliva, irrigating solutions suctioned

Surgical suction: smaller orifice than usual- rapid evacuation of fluids

Several designs of orifice: soft tissue not aspirated & injured

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INSTRUMENTS FOR SUCTIONING

Fraser suction: Hole in the handle Hard tissue cut; hole covered to remove

the solution rapidly Soft tissue suctioned

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INSTRUMENTS FOR SUCTIONING

High Volume Suction Tip Large bore tubes with slight angulation-

end Autoclavable stainless steel/ plastic Disposable plastic tubes Suck out large volumes of irrigation

fluids, blood clots & debris

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INSTRUMENTS FOR SUCTIONING

Saliva Ejector Low volume suction tip Disposable plastic- different designs Flexible- bent & adapted under tongue Buccal vestibule: partially retracts cheek

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INSTRUMENTS FOR HOLDING TOWELS & DRAPES IN POSITIONTowel clip Holds together, drapes placed around a

patient Stabilizes suction tubes, micromotor etc. Hold & retract tongue: unconscious patient Locking handle + finger & thumb rings Sharp/blunt action ends Curved points- penetrate towels & drapes Caution: not to pinch patient’s skin

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J Bachaus Towel clip

Schaedel Towel clip

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INSTRUMENTS FOR IRRIGATING

Bone removal: Steady stream of irrigation- sterile saline or water

Cools the bur Prevents bone-damaging heat buildup Increases efficiency of bur: - washes away bone chips - lubrication Completion of procedure: before suturing

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INSTRUMENTS FOR IRRIGATING

Large plastic syringe + blunt 18-gauge needle

Sterilized multiple times before disposal Blunt & smooth needle: not damage soft

tissue Needle angled : efficient direction of the

stream

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INSTRUMENTS FOR EXTRACTING TEETH

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INSTRUMENTS FOR EXTRACTING TEETH

LOCAL ANESTHETIC INSTRUMENTSSyringe

Types:1. Non- disposable syringes

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LOCAL ANESTHETIC INSTRUMENTS

2. Disposable syringes

3. Safety syringes

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LOCAL ANESTHETIC INSTRUMENTS

4. Computer Controlled Local Anesthetic Delivery System

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LOCAL ANESTHETIC INSTRUMENTS

Cartridge Glass cylinder with L/A & other ingredients 1.8ml/1.7ml/2.2ml

RubberDiaphragm Silicon

rubber plunger

Al cap Neck Color coded band

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LOCAL ANESTHETIC INSTRUMENTS

Needle Single piece of tubular metal; plastic/

metal syringe adaptor + needle hub

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LOCAL ANESTHETIC INSTRUMENTS

Long: 32mm & Short: 20mm needles 27gauge long (yellow) & 30 gauge short

(red): commonly purchased – dental use 25 gauge: preferred for high risk of

positive aspiration- blue 30 gauge: not specific; local infiltration

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LOCAL ANESTHETIC INSTRUMENTS

Additional Armamentarium Topical antiseptic- Betadine (povidone-

iodine) and Merthiolate (thimerosal). Topical anesthetic Applicator sticks Sterile gauze 2”x2” Hemostat

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INSTRUMENTS FOR EXTRACTING TEETH

DENTAL ELEVATORSI. Luxate teeth from the surrounding bone Makes extractions easierII. Expands alveolar bone: Buccocervical plate of bone- tooth with

limited & obstructed path of removalIII. Remove broken/ surgically sectioned roots IV. Remove interradicular boneV. Split teeth once a bur groove has been

placed

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DENTAL ELEVATORSPARTS

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DENTAL ELEVATORSHandle: 2 designs Heavy pear-shaped Crossbar: right angles to the shankGeneral rules: Adjacent tooth- not the fulcrum; unless to

be extracted Crest of the alveolar bone: fulcrum Controlled force- correct direction- adequate support to the adjacent tooth Finger guard: support adjacent tissues

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DENTAL ELEVATORSBasic grips: Palm grip: heavy forces; handle rests

against heel of palm

Finger grip: delicate applications

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DENTAL ELEVATORSHandle: Generous size: comfortably held Substantial, controlled force Cross-bar/ T-bar handles: cautionShank: Connects handle to the working end Substantial size; strong enough to transmit

forceBlade: Working tip Transmit the force to the tooth, bone or both

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DENTAL ELEVATORSTYPES

I. Based on the shape & size:1. Straight2. Triangle/ Pennant-shape3. Pick

II. Based on their form:4. Straight5. Angular6. Crossbar

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DENTAL ELEVATORSIII. Based on their use:1. Remove entire tooth2. Remove roots broken at the gingival

line3. Remove roots broken half way to the

apex4. Remove the apical third of the root5. Reflect mucoperiosteum

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DENTAL ELEVATORSStraight Most commonly used Blade: concave surface on one side-the

tooth to be elevated Small- No.301:beginning the luxation of

an erupted tooth

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DENTAL ELEVATORS

Large:No.34S (common),No.46,No.77R -displace roots from the sockets -luxate more widely spaced teeth -smaller sized elevator: less effective Angled straight elevator: posterior

aspect Eg : Miller elevator, Potts elevator

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DENTAL ELEVATORSStraight Elevator: Coupland’s Large, pear-shaped handle Straight shank Blade: concave/ convex surface & an

inclined plane Concave groove on one side Sharp & straight tip

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DENTAL ELEVATORS Impacted/ malaligned teeth Wedge & 1st order lever principle 450 to long axis: concavity facing the

tooth Crest of the interseptal bone: fulcrum Applied to the long axis: wedged into the

PDL space- luxate the tooth

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DENTAL ELEVATORSStraight elevator: Hospital Blade, handle & shank: same plane Handle: flat & triangular- deep criss-cross grooves Blade: flat with vertical serrations; other side-

convex with pointed tip Serrated flat side: faces the tooth to be extracted 450 to the long axis/ wedged into the PDL space:

vertically along the long axis Wedge & 1st order lever

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DENTAL ELEVATORSApexo elevators ‘Offset’/ angulated elevator Blade at an angle – shank Blade ends- sharp pointed tip Large pear-shaped handle Pairs- right & left Remove root fragments Wedge principle

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DENTAL ELEVATORSTriangular Second most commonly used Pairs: left and right Broken roots in the tooth sockets +

adjacent empty socket Fractured lower 6:distal root left in the

socket-elevator tip in the socket; shank on the buccal plate-wheel and axle rotation

Eg : Cryer

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DENTAL ELEVATORSCryers ‘Offset’ blade: at an angle to the shank Curved & triangular blade Heavy pear shaped handle Pairs

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DENTAL ELEVATORS Impacted molars: buccal furcation &

luxated Fractured root tips: maxillary molars Erupted maxillary molars Bur hole- drilled onto the tooth & tip

engaged- purchase point

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DENTAL ELEVATORSCrossbar elevator Offset blade- similar to cryers Handle perpendicular to shank Maximum mechanical advantage due to

crossbar handle & offset blade

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DENTAL ELEVATORS Rotational forces: wheel & axle principle Impacted mandibular teeth Caution: impacted mandibular 8- #angle

mandible Removal of mandibular root fragments Not used in maxillary arch

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DENTAL ELEVATORSPickRemove roots1. Crane pick: heavy version-lever to

elevate the broken roots Purchase point: 3mm deep into the

root, using bur Tip of the pick inserted- buccal plate of

the bone as fulcrum

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DENTAL ELEVATORS

2.Root tip pick/apex Delicate Tease small root tips Don’t use: wheel- and- axle/lever Very small root end : insert the tip into

the PDL space- root tip & socket wall

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INSTRUMENTS FOR EXTRACTING TEETH

Extraction forceps Removing the tooth from the alveolar

bone Many styles and configuration: variety of

teeth Each basic design: multiple variation

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EXTRACTION FORCEPS COMPONENTS

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EXTRACTION FORCEPSHandles Adequate size -comfortable handling -sufficient pressure & leverage Serrated surface -positive grip -prevent slippage

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EXTRACTION FORCEPSHolding handles: -Maxillary: palm underneath; beaks superior

-Mandibular: palm on top; beaks point down

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EXTRACTION FORCEPS Straight/ curved

better fit

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EXTRACTION FORCEPSHinge Connects the handle – beaks Transfers & concentrates : force

Types American: horizontal English: vertical

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EXTRACTION FORCEPSBeaks Greatest variation Adapt: tooth root near C/R junction root & not the crown Different beaks: single/2/3- rooted teeth Close adaptation: improved control,

decreased chance of fracture

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EXTRACTION FORCEPSWidth of the beaks Narrow: incisors Broader: lower molarsBeaks angled: held parallel to the long axis Maxillary: Parallel to the handles Maxillary molar: Bayonet fashion- posterior

aspect with beaks parallel Mandibular forceps: Perpendicular to the

handles

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MAXILLARY FORCEPS Single-rooted: incisors, canines, premolars 3-rooted: molarsMaxillary Universal Forceps: No.150o Slightly S-shaped: from side- incisors &

premolarso Straight: from aboveo Beaks curved: meet only at the tipo Modification: No.150A- premolarso No.150S: Primary teeth

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No.150, 150A, 150S

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MAXILLARY FORCEPS Straight forceps No. 1 forceps: easier for upper incisors

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MAXILLARY FORCEPS

Maxillary molars: -smooth, concave surface: palatal root -pointed: bifurcation -right & left -offset: posterior & correct position -No.53

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No.53

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MAXILLARY FORCEPSUpper Cowhorn forceps: No.88o longer, accentuated, pointed beakso Severely carious crownso Deeper into trifurcation: sound dentino Caution: crush alveolar bone; # large

amounts of buccal bone – intact teeth

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MAXILLARY FORCEPSNo.210S Forcepso 2nd & 3rd molars- single conical rooto Smooth beaks: offset

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MAXILLARY FORCEPSRoot Tip Forceps: No.65o Offset – very narrow beakso Broken molar roots, narrow premolars,

lower incisors

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MAXILLARY FORCEPSRoot Forceps

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MANDIBULAR FORCEPS Single-rooted: Incisors, canines, premolars Two-rooted: molarsLower Universal Forceps: No.151o Handles- No.150o Beaks: pointed inferiorlyo Smooth & narrow: meet only at the tipo Fit near the cervical line- grasp rooto No. 151A: Premolar o No.151S: Primary mandibular teeth

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No.151, 151A, 151S

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MANDIBULAR FORCEPSEnglish Style Vertical-Hinge Forcepso Single-rootedo Great force generatedo Root fracture

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MANDIBULAR FORCEPSLower Molar Forceps: No.17o Single forceps: both sideso Straight-handledo Beaks: obliquely downwardo Pointed tips – centre: bifurcationo Remainder: sides of the furcationo Not for fused, conical roots: 151

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No.17

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MANDIBULAR FORCEPSLower Cowhorn Forceps: No.87o Two pointed, heavy beaks: bifurcationo Forceps positioned: handles pumped up

& down- tooth elevatedo Beaks squeezed into furcation: buccal &

lingual cortical plates- fulcrumso Alveolar bone #, damage to maxillary

teeth

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No.87

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MANDIBULAR FORCEPSRoot Forceps

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BASIC EXTRACTION PACK

Local anesthesia syringe Needle Cartridge No.9 Periosteal elevator Periapical curette Straight elevator: small & large Curved hemostat Towel clip Austin/Minnesota retractor Suction tip 2x2 inch/4x4 inch gauze Forceps

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SURGICAL EXTRACTION TRAY

Additional items Needle holder & suture Suture scissors Blade handle & blade Adson tissue forceps Bone file Tongue retractor Cryer elevators Rongeur Handpiece & bur

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BIOPSY TRAY Basic tray without elevators Blade handle & blade Needle holder & suture, suture scissors Metzenbaum scissors Allis tissue forceps Adson tissue forceps Curved hemostat

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POSTOPERATIVE TRAY Irrigation: syringe, suction tip Suture removal: Scissors, College

pliers, Cotton applicator sticks, gauze

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INSTRUMENT ARRANGEMENT

TRAY Flat, sterilized wrapped with sterilization

paper Opened preserving sterility Requires large autoclave CASSETTE More compact

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Surgeon must be well versed with the

identification, indications for use as well as the techniques of using the different basic instruments

The quality of the instruments- as crucial as the knowledge & skill of the surgeon

Use of good quality instruments is inevitable in ensuring the expected standard of care: expensive

The surgeon & the assistants must handle, store & use the instruments with utmost care

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139

REFERENCES Contemporary Oral & Maxillofacial Surgery-

5th edition : Hupp, Ellis, Tucker Handbook of Local Anesthesia- 5th edition:

Stanley F. Malamed Textbook of Oral & Maxillofacial Surgery- 2nd

edition: Daniel M Laskin Dental Instruments: A Pocket Guide- 2nd

edition: Linda R. Bartolomucci Boyd Basic guide to dental instruments- Carmen

Scheller

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Armamenteriums for Oral Surgery/3RT/140 140

THANK YOU