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Work Instruction for the Locator® Retentive System - Camlog

Work Instruction for the Locator® Retentive System - Camlog

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7.3 Incorporation of <strong>the</strong> retention<br />

housing<br />

The placement of <strong>the</strong> retention housing (supplied<br />

in each laboratory set) can be done ei<strong>the</strong>r<br />

in <strong>the</strong> dental laboratory or chairside.<br />

Tip: A metal cast streng<strong>the</strong>ns <strong>the</strong> stability<br />

of <strong>the</strong> denture.<br />

7.3.1 Fabrication of a new denture with<br />

Locator ® components<br />

The Locator ® components are directly<br />

incorporated into <strong>the</strong> new denture during<br />

processing.<br />

Insert <strong>the</strong> Locator ® abutments of matched<br />

diameters and gingival heights in <strong>the</strong> manner<br />

described in 7.1 "Locator ® abutment insertion"<br />

on page 6.<br />

Locator ® abutments must be secured<br />

during insertion into <strong>the</strong> mouth to prevent<br />

aspiration (e.g. with dental floss).<br />

Locator ® abutments with 3.3 mm diameter<br />

are tightened with a torque of<br />

20 Ncm, and abutments with 3.8, 4.3,<br />

and 5.0 mm diameters are tightened with<br />

a torque of 30 Ncm. The abutments must<br />

be retightened after 5 minutes with <strong>the</strong><br />

respective torque.<br />

Chairside:<br />

Place a Locator ® impression cap on each<br />

Locator ® abutment <strong>for</strong> <strong>the</strong> functional<br />

impression. Make sure that <strong>the</strong> impression<br />

cap is properly seated during <strong>the</strong> procedure.<br />

Use a firm impression material (e.g. polye<strong>the</strong>r<br />

or silicone) to ensure that <strong>the</strong> impression cap<br />

will remain securely in <strong>the</strong> impression.<br />

In <strong>the</strong> dental lab:<br />

After <strong>the</strong> impression is taken, place <strong>the</strong><br />

analogs (Ø 4.0 mm or Ø 5.0 mm) into <strong>the</strong><br />

impression caps and fabricate <strong>the</strong> master<br />

cast.<br />

After <strong>the</strong> master cast is finished, place <strong>the</strong><br />

white block-out spacer (supplied with <strong>the</strong><br />

male processing package) over <strong>the</strong> functional<br />

areas of <strong>the</strong> Locator ® analogs to prevent<br />

acrylic from penetrating into <strong>the</strong> retention<br />

housing.<br />

Mount <strong>the</strong> retention housings with <strong>the</strong> black<br />

processing replacement male on each analog<br />

over <strong>the</strong> previously inserted block-out spacer<br />

until pressure is felt. The black processing<br />

replacement male will ensure both secure<br />

seating <strong>for</strong> <strong>the</strong> retention housing and<br />

resilience.<br />

Selection of matching analogs<br />

Locator ® impression cap<br />

Undercuts between <strong>the</strong> retention housing<br />

and surrounding tissue which <strong>the</strong> blockout<br />

spacer does not reach must be blocked<br />

out. Do not allow any acrylic to enter<br />

<strong>the</strong> retention housing during processing!<br />

The denture can be completed by <strong>the</strong> conventional<br />

technique.<br />

Locator ® analog Ø 4.0 mm Locator ® analog Ø 5.0 mm<br />

Locator ®<br />

abutment<br />

Ø 3.3 mm<br />

Locator ®<br />

abutment<br />

Ø 3.8 mm<br />

Locator ®<br />

abutment<br />

Ø 4.3 mm<br />

Locator ®<br />

abutment<br />

Ø 5.0 mm<br />

7

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