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CASE RECORDS SUBMISSION


PVS IMPRESSION

Choice of Material: PVS, polyvinyl siloxane impression material

Technique: 2 step technique:

Things required:
PVS Impression material
Perforated metallic trays
Plastic sheet
Tray adhesive

Prep before taking impression:
Brush teeth
Lipstick or lip balm
Mouth wash
Apply adhesive on the trays

Tip: any dental work should be completed before taking impressions for ClearPath


  • Check trays size
  • Equal quantity of putty, base and catalyst
  • Mix until color is even
  • Make a Cylinder form
  • Place it over the tray
  • Place Plastic wrap
  • Take impression
  • Remove tray & smooth out any details
  • Saliva control
  • Inject light body wash
  • Take impression & disinfect it

Even for a single arch cases both impressions are required.


PVS CHECKLIST

MARGINAL RIDGES

  1.  Follow margins around entire arch both buccal and lingual
  2.  All margins appear crisp and clean (no voids or light imprint)
  3.  Material is not thin in posterior lingual/buccal region

Occlusal Surface

  1.  All cusps and incisal edges how clearly
  2.  No tray appears to show through on cusps or incisal edges of teeth

Molar Region

  1.  Full capture of all molars present till the most distal tooth

Overall Material Adhesion

  1.  No presence of folds
  2.  No presence of “pull away” of heavy body from tray
  3.  Wash is tightly adhering to heavy body

Overall Material Appearance

  1.  No significant amount of body showing through

Tooth-by-Tooth in spection

  1.  No tray of thin wall of material present
  2.  No void areas present

Review Timing, moisture Control, Proper Tray Selection and Technique


BITE REGISTRATION
PVS BITE MATERIAL OR HARD PUTTY CAN BE USED


Technique:

  • Prep before taking bite
  • Dispense small amount of material
  • Inject the material directly onto patient’s teeth
  • A lay of 4-5 mm
  • Ask the patient to bite down in centric acclussion
  • Disinfect the bite registration

Tip: Due to stiffness of the bite material, severe undercuts should be removed or blocked out.

2- DIGITAL CASE RECORDS – PHOTOGRAPHS & RADIOGRAPHS

PHOTOGRAPHS & RADIOGRAPHS

 

Following 2 types of X-rays are required.

OPG which is Orthopentaomograph also called a Panorax

 Lateral Ceph which is lateral cephalograph

 

Intra-oral Photographs:
Following views are required

  1.  Intra-oral Upper occlusal view
  2.  Intra-oral Lower occlusal view
  3.  Intra-oral Left buccal view
  4.  Intra-oral Right buccal view
  5.  Intra-oral Frontal view

Extra Oral Photographs:

  1.  Side profile
  2.  Frontal profile
  3.  Frontal profile with smile