Nickel and Chromium Alloy Dental Crown Lab, Full Cast Metal Crown High Strength

China Nickel and Chromium Alloy Dental Crown Lab, Full Cast Metal Crown High Strength, Find details about China Pfm, Dental from Nickel and Chromium Alloy Dental Crown Lab, Full Cast Metal Crown High Strength

Language
English/French/Japanese/German
Transport Package
Bubble Bag and Plastic Bag
Origin
China
HS Code
90212100
Language
English/French/Japanese/German
Transport Package
Bubble Bag and Plastic Bag
Origin
China
HS Code
90212100

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.

 

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


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


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