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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