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Fine Protection High Noble Metal Crown , Metal Crown Tooth Tooth Reomoved Less

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Address: 4th,Floor, Hesheng Building Third Industrial Park of Jiuwei Hangcheng Street,Baoan District

Contact name:Sam

Shenzhen Orient Dental Laboratory

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Fine Protection High Noble Metal Crown , Metal Crown Tooth Tooth Reomoved Less

Country/Region china

Product Details

Popular Nickel and Chromium Full Cast Metal Crown ISO9001/200

 

What's a Full Cast Metal Crown?

Cast Metal crown is a full crwon restoration which is cast with dental alloy.

 

Impression of Metal Crown

 

An imprint of the teeth and surrounding tissues formed with a plastic matereial to provide a mold for use in malering restoration


 

Impression step

  • Impression of opposite tooth

  • Impression of abutment

  • Bite Registraion


Gingival retraction

  • Retraction cord

  • Impression procedure


 

Impression Method

  • Two step method

  • One step method

Advantages

  • High Strength

  • Tooth reomoved less

  • Fitness

  • Long lasting

  • Fine protection

 

Disadvantages

  • Inaesthetic

  • Metal easy lead to allergy

Indication

  • Posterior tooth with Large defect


  • Malposition, Torsoclusion or malformation of posterior tooth


  • Weak posterior abutment of removable partial denture


  • Posterior retiner of fixed partial denture


  • Posterior tooth after RCT ( Roogt Canal Therapy)


 

Contraindications

  • Incontrollable caries


  • People allergic to the metal


  • Tooth with esthetical requirment


  • Residual root


 

Design of Metal Crown

  • Material Selection


  • The position of gingiva margin of the crown


  • To reduce the occlusal force


 

Tooth Preparation

 

1) Occlusal Reduction

  • Provide the adequate room for the crown

  • Occlusal Surface

  • Amout of tooth reduction : 1.0MM


 

2) Essentials of Occlusal Preparation

  • Reduce the inclination of cusp

  • Prepare ladder on large filling material


 

3) Buccal and lingual reduction

  • Provided the adequate room for the crown

  • Amount of tooth removing: 1.0MM


 

4) Essential of buccal and lingual

  • Preparation

  • The functional cusp level preparation


 

5) Proxiaml redcuction

  • Provide the adequate room for the crown

  • Amount of tooth removing:1.0MM


 

6) Essentials of Axical Preparation

  • Axical convergent angle 2-5 degree

  • The axical surface agngle preparation to keep the contour of the crown


 

7) Cervical Preparation

  • Chamfer or bevel

  • Width of shoulder

  • Non- Noble metal :0.5-0.8MM

  • Noble Metal: 0.35-0.5MM


 

8) Position of Gingival Margin

  • At the gingiva

  • 1.0mm above gingiva

  • 0.5-1.0mm under gingiva


 

 

Try in of metal crown

  • check the gingival margin and tissular surface of the crown

  • Try in on the die

  • Placement onto the abutment

  • Occlusal adjustment


 

Essentials

  • Pulp protection

  • Gingiva protection

  • Dental tissue protection

  • Correct tool selection

  • Application of temporary crown

  • Occlusal adjustment

  • Indications and contraindications

 
 

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