How To Add A Pre-formed Dental Clasp
2
TECHNIQUE FOR ADDING A PRE-FORMED CLASP (FLEXITE CLASP-EZE) The need for a quick means to add an aesthetic clasp is apparent in today’s society. Television has broadened our sensitivity to appearances and increased the demand for aesthetics. Many patients object to unsightly metal clasps but have to accept them because they cannot afford the high cost of fixed bridges. Prefabricated clasps may be the answer. Injection moulded plastics are unique and far superior to conventional acrylics. They have greater flexural and tensile strength and are now available for clasps and partials. The clasp demonstrated is a Flexite Supreme nylon co-polymer thermoplastic which we call Flexite Clasp-Eze. Required Components Pre-formed clasp e.g. Clasp- Eze, Aron Alpha (bonding agent for nylon), Heat source (Electric heat gun or bunsen burner, self cure acrylic powder (Flexite Rapid Set), self cure monomer and two dappen dishes. Note: Clasps are made in one size. The tail pieces are spaced at different intervals and are utilized according to Fig. 1 illustrates a lower stripped saddle with a broken roach clasp. It may not be necessary to strip an entire saddle, just a single tooth on some repairs. FIGURE I FIGURE 2 A clear prefabricated clasp was selected for this demonstra- tion. (Tooth colour clasps are also available.) The Flexite heat gun is modified to soften the nylon clasp without blister- ing. A small flame may be used but requires more caution. FIGURE 3 Heat clasp by brushing up and back until the clasp begins to soften and goes limp. A good tip is to hold it against the flat side of the bench so the flow of air is concentrated and not lost. When flaming, use top of bench as usual. When softened, place tip into inter- proximal and bend toward distal. Tack tail section with wax so a plaster or stone matrix can be made on buccal. This will free up your other hand for positioning the tail piece section. FIGURE 4 Cut off the part of the clasp you are not using. Dovetail, shape and taper clasp. A properly tapered clasp will never lose memory and enhances retention. the size of the tooth. e.g.: The first tail piece would be cut off if the circumference of the tooth was bigger than normal and the second tail piece would be used. TALLADIUM U.K. On-line CPD Tutorials www.talladiumuk.co.uk Unit 37B, New Road, Langley, Berks SL3 8JJ Tel: 01753 582 788
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Clasp-Eze Pre-Formed, Ready-made Dental Clasps in Flexite Supreme Simply heat over a Bunsen burner and adapt. Key Features & Benefits: * Saves time, no need to create tooth-coloured clasps from scratch * Saves money, no need to send out * Easy to use * Available in Vita shades, pink and clear * Available as single clasps or in packs of 12
Transcript of How To Add A Pre-formed Dental Clasp
TECHNIQUE FORADDING A
PRE-FORMED CLASP(FLEXITE CLASP-EZE)
The need for a quick means toadd an aesthetic clasp isapparent in today’s society.Television has broadened oursensitivity to appearances andincreased the demand foraesthetics. Many patientsobject to unsightly metal claspsbut have to accept thembecause they cannot afford thehigh cost of fixed bridges.Prefabricated clasps may bethe answer. Injection mouldedplastics are unique and farsuperior to conventionalacrylics. They have greaterflexural and tensile strengthand are now available forclasps and partials. The claspdemonstrated is a FlexiteSupreme nylon co-polymerthermoplastic which we callFlexite Clasp-Eze.
Required Components
Pre-formed clasp e.g. Clasp-Eze, Aron Alpha (bonding agentfor nylon), Heat source(Electric heat gun or bunsenburner, self cure acrylicpowder (Flexite Rapid Set), selfcure monomer and two dappendishes. Note: Clasps are madein one size. The tail pieces arespaced at different intervalsand are utilized according to
Fig. 1 illustrates a lowerstripped saddle with a brokenroach clasp. It may not benecessary to strip an entiresaddle, just a single tooth onsome repairs.
FIGURE I
FIGURE 2
A clear prefabricated clasp wasselected for this demonstra-tion. (Tooth colour clasps arealso available.) The Flexiteheat gun is modified to softenthe nylon clasp without blister-ing. A small flame may be usedbut requires more caution.
FIGURE 3
Heat clasp by brushing up andback until the clasp begins tosoften and goes limp. A goodtip is to hold it against the flatside of the bench so the flow ofair is concentrated and notlost. When flaming, use top ofbench as usual. Whensoftened, place tip into inter-proximal and bend towarddistal. Tack tail section withwax so a plaster or stone matrixcan be made on buccal. Thiswill free up your other hand forpositioning the tail piecesection.
FIGURE 4
Cut off the part of the claspyou are not using. Dovetail,shape and taper clasp. Aproperly tapered clasp willnever lose memory andenhances retention.
the size of the tooth. e.g.: Thefirst tail piece would be cut offif the circumference of thetooth was bigger than normaland the second tail piece wouldbe used.
TALLADIUM U.K.On-line
CPD Tutorials www.talladiumuk.co.ukUnit 37B, New Road, Langley, Berks SL3 8JJ
Tel: 01753 582 788
FIGURE 6
Set clasp into proper position.
FIGURE 7
Lute to frame with self cureacrylic, the wet method withdappen dish.
FIGURE 8
Clasp-Eze clear clasp coldcured to metal frame. Put intopressure pot: 20 lbs. pressure,140 degrees fahrenheit, for 10minutes.
FIGURE 9
Completed waxup with clearclasp.
FINAL NOTE: When addingClasp-Eze to a metal frame, besure to cut out the mesh behindthe tooth you are clasping sothe shoulder of the clasp fullylays up against the proximalwall of the abutment tooth.
Can I use Lab Putty to protectthe clasp?
Yes, it is extra protection thatinsures a smooth surface afterdeflasking.
Can I use the struts that theclasps are attached too?
Yes, Do not throw them away.They can be shaped and usedas I Clasps or small roach clasps
If I wish to make the claspheavier, can I trim the tip andstart my clasp from there?
Yes, but taper the tip to keepthe memory intact.
Do I have to survey the Clasp-Eze clasp if I am only makingrepairs.
Yes, The path of insertion mayconflict since you are arbitrari-ly attaching the clasp withouttaking into consideration theother clasps in the mouth.
F.A.Q.’S
Can Clasp-Eze be processed ina heat cure bath?
No! Clasp-Eze clasps are madefrom FDA grade nylon forstrength and durability butnylon will lose some of itsproperties if cooked for longperiods. It is recommended toprocess Clasp-Eze with fastcure acrylic.
Can you invest Clasp-Eze in aflask?
Yes, but do not cook themduring the boilout procedure.Submerge the flask into boilingwater for a minute or two.This softens the wax andenables you to separate theflask. Proceed to boil out wax.
Made from FLEXITE SUPREMEhigh molecular plastic
Available as single clasps orin packs of 12
in clear, pink and Vita shades
FIGURE 5
Paint the tail piece with AronAlpha bonding agent. Allow todry. Aron Alpha has a thinviscosity and dries quickly.
Tel: 01753 582 788
