NEET MDS - Master of Dental Surgery (Medical) NEET-MDS Prosthodontics-Tooth Preperatiofluid Control and Gingival Displacement Study Material (Page 2 of 2)

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Porcelain Jacket Crown

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  • This was introduced by Dr. Charles H. Land in 1903.
  • The anterior tooth is prepared by four steps to receive porcelain jacket crown prosthesis.
  • It was the first full coverage tooth coloured restoration.

Incisal Reduction

It is accomplished in two different stages.

  • It is done perpendicular to long axis of tooth which is 2 mm apical to anticipated incisal edge of finished restoration.
  • Mark two different lines one along the long axis while the second along the apical extend of…

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Partial Veneer Crown

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  • The following are the steps for preparation of maxillary canine for reception of partial veneer crown-

Incisal Reduction

  • It is performed with tapered fissured diamond point.
  • The incisal edge is reduced to to long-axis of tooth.
  • The facial contour is followed and reduced 1 to 1.5 mm.

Lingual Reduction

It is divided into two parts:

Lingual Surface Reduction

  • It is performed with flame shaped diamond point.
  • Reduce the lingual surface in two planes, spare slight ridge running inciso gingival along the centre of lingual surface.
  • 0.7 to 1 mm of clearance is kept with opposing …

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