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Shofu Pro Arch IIG Instructions For Use Manual
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Shofu Pro Arch IIG Instructions For Use Manual

Semi-adjustable articulator
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Pro Arch IIG
SEMI-ADJUSTABLE ARTICULATOR
Instructions for Use

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Summary of Contents for Shofu Pro Arch IIG

  • Page 1 Pro Arch IIG SEMI-ADJUSTABLE ARTICULATOR Instructions for Use...

  • Page 2: Table Of Contents

    Shofu Pro Arch IIG SEMI-ADJUSTABLE ARTICULATOR TABLE OF CONTENTS Introduction Features Identification of Parts Operating Precedure Direction for Use Caution Specifications...

  • Page 3: Introduction

    Introduction Shofu arcon-type articulators, Pro Arch series have been designed to facilitate fabrication of elaborate and accurate dental prostheses that match precisely with patient’s natural jaw movement. Pro Arch IIG is a semi-adjustable articulator, designed for easy handling with its simple adjustment system of condylar path and sagittal condylar path.

  • Page 4: Features

    Features Twin-plate mechanism at the condylar guidance combines the benefits of both box and slot type articulators. • When fabricating a denture, this mechanism prevents the condylar guidance and ball from being dislodged in eccentric position to provide an accurate occlusion. •...
  • Page 5 Features Die-cast framework is lightweight and designed with high precision. Its robust structure prevents flexure and the resin coating provides a durable surface finish. The Mounting Plate for lower jaw is 8mm behind the plate for upper jaw, which provides natural head position to mount a cast efficiently.

  • Page 6: Identification Of Parts

    Identification of Parts Upper Jaw Incisal Table 10º Lower Jaw Incisal Table Screw Centric Lock Lever Sagittal Condylar Path Adjuster Ear Location Pin Sagittal Condylar Path Mounting Ring Lock Lever Mounting Ring Screw Condylar Path Downward Reference Indicator Guide Plate (“Twin Plates”) Reference Indicator Screw Condylar Path Downward Guide Plate Screw...

  • Page 7: Operating Precedure

    Operating Procedures Adjusting the sagittal condylar path angle • Move the lever upward to release the lock. • Move the lever downward to close the lock. Replacing Incisal Table Take out the Incisal Table Screw and replace the table with the desired one (0º, 10º, option: 5º, 15º).

  • Page 8: Direction For Use

    Using the Centric Lock To release the Centric Lock, hold the upper jaw frame and lift the lever up. To close the lock, press the lever down firmly until the shaft snaps. Ensure that both Centric Locks are being released when moving forward or laterally.
  • Page 9 Check that the Incisal Pin scale is set to “0” (red line). A notch in the Incisal Pin helps the pin to stop precisely at “0” every time to ensure accurate occlusal position. Set an angle of sagittal condylar path to 30º.
  • Page 10 STEP 2 Positioning the upper cast A. USING PRO ARCH FACE BOW In the Pro Arch articulator series, each patient’s maxillary dentition can be easily transferred with the use of Pro Arch Face Bow on the basis of patient’s skull and mandibular joint. First, select either the horizontal reference plane in natural head posture or axis orbital plane to transfer with the Face Bow.
  • Page 11 PRO ARCH FACE BOW - IDENTIFICATION OF PARTS Face Bow main body Bite Fork Clamp Ear Rod Anterior Reference Pin Ear Rod Screw Anterior Reference Pin Clamp Earpiece Anterior Reference Bite Fork for Pin Screw edentulous jaw Elevating Rod Bite Fork for dentulous jaw (optional) Elevating Rod Screw Bite Fork Screw...
  • Page 12 STEP 2 Positioning the upper cast A. USING PRO ARCH FACE BOW Registration of maxillary relation using Face Bow Insert Earpieces into each external auditory meatus to obtain a posterior reference point. To get an anterior reference point, align the tip of the anterior reference pin to point 23mm below the inner canthus or 45mm above the maxillary incisal edge.
  • Page 13 Transferring to the articulator Attach the Face Bow Ear Rods to the Ear Location Pins on the articulator to obtain posterior reference points. To determine the vertical alignment at the front part of the Face Bow, place the tip of the anterior reference pin to come in contact with the under surface of the Reference Indicator.
  • Page 14 STEP 2 Positioning the upper cast B. USING OCCLUSAL PLATE The use of the Occlusal Plate with mean value is an easy alternative to the face bow. First, remove the Magnetic Split Cast Mounting Plate (MSMP) from the lower jaw and replace it with the Occlusal Plate provided.
  • Page 15 Using the occlusal plane as a reference plane When positioning upper cast and wax occlusal rim with the occlusal plane as a reference plane, the ideal arch for the upper anterior teeth and the median line should be matched with upper labial side and median of the wax rim.
  • Page 16 STEP 3 Mounting the upper cast When the positioning of the upper cast is complete, moisten the basal surface of the cast sufficiently and place adequate amount of plaster. Place plaster at the undercut of the Cast Plate. Close the upper jaw gently until the Incisal Pin comes in contact with the Incisal Table.
  • Page 17 STEP 5 Mounting of the upper/lower cast Is complete When mounting of both upper and lower casts are complete, put the articulator back in place and check if the Incisal Pin is in contact with the Incisal Table. Anterior bite registration Take patient’s anterior bite registration with the mandible moved forward by 4 to 5mm.
  • Page 18 Releasing Sagittal Condylar Path Lock Levers Unlock both sides of Sagittal Condylar Path Lock Levers. Set the sagittal condylar path angle to a negative value of approx. -20º. Releasing the Incisal Pin Loosen the Incisal Pin Screw and lower the Incisal Pin to separate it from the Incisal Table.
  • Page 19 Adjusting sagittal condylar path angle Place the Occlusal Plate of anterior bite record and mount the lower jaw. The Condylar Ball of the articulator should be detached from the Sagittal Condylar Path Guide Plate. Move both sides of the Guide Plates and fasten the Lock Levers when the Guide Plates and Condylar Ball come in contact with each other.
  • Page 20 Select a suitable Incisal Table for each individual case. Accompanying items are the tables with sagittal condylar angles of 10˚ and 0˚. For Pro Arch IIG, 5˚ and 15˚ tables are available as optional accessories. Fabricating Incisal Table for dentulous patients...

  • Page 21: Caution

    Caution When releasing the Centric Lock Levers, make sure to release both left and right levers. Lateral movement should be performed with the balancing side condylar ball coming in contact with the balancing side lateral condylar guidance. When the articulator is open with the Centric Lock Levers released and Condylar Path Downward Guide Plates (Twin Plates)

  • Page 22: Specifications

    Avoid contact of wax or plaster with the Condylar Ball and Condylar Guide. In case of accidental contact, remove the wax or plaster Immediately. The use SHOFU HI-SOL spray on the working parts will prevent contact of wax or plaster. Regular cleaning and lubrication on the working parts are essential.
  • Page 23 Accessories • Incisal Tables 0º, 10º (pre attached) • Occlusal Plates (for IG, II, III EG) OPTIONAL ACCESSORIES Gear-type Cast Support Handy Cast Support MSMP Single / with Occlusal Plate MSMP Double Pro Arch Split Cast Steel Plates (10 plates) Plates Incisal Tables 5º...
  • Page 24 Bite Fork for dentulous jaw (optional) OPEN STOCK ITEMS Mounting Rings Incisal Table 0º Incisal Table 10º SHOFU DENTAL ASIA-PACIFIC PTE. LTD. 10 Science Park Road, #03-12 The Alpha, Science Park ll, Singapore 117684 Tel: +65 6377 2722 Fax: +65 63771121 eMail: mailbx@shofu.com.sg...