Provide definitions and explain the functions of the following:-

Describe using illustrations thedifferences when spruing differentdental appliances and when usingdifferent dental alloys

A partial acrylic lingual plate is commonly used as a transitional / temporary denture connector. What are the main disadvantages of using this as a permanent connector?

Discuss the contra-indications andundesirable effects of metal partialdenture provision.

What factors affect the magnitude ofclasp retention?

Define “Indirect retention”. Describethe various components which can beused to provide it.

Short notes on: The high frequency induction casting machine

Short notes on: The lost wax process

Short notes on: Electro–brightening

Explain the four main principles of the‘Every’ denture.

Define the term “stress breaker” andwith the aid of simple diagrams givean example of a Type 1 and 2stressbreaker. Highlight instanceswhen “stress breakers” would beindicated and describe why

Explain using detailed illustrations the Kennedy Classification system.

Discuss/List the use of study models in the design of a Removable Partial Denture.

Explain the RPI clasp system in RPD construction.

Explain the procedure for the “altered/modified cast technique”.

How can the loading to the underlying tissues be reduced for a removable partial denture? Explain why this may be necessary.

Using the Siladent system describe in detail and correct sequential order the laboratory procedures to produce a Co/Cr denture framework from receipt of a secondary model.

Highlight what the possible consequences the following would have on the casting:

Describe/discuss the major factors that should be taken into consideration when designing metal partial dentures. Include in your answer the functions of the components used.

Describe the problems that occur when soldering gold to cobalt chrome. Describe methods by which these problems may be overcome / avoided.

Discuss the problems that may beassociated with the uni-lateral(Kennedy Class 2) and bi-lateral(Kennedy Class 1) free end saddle RPD.How may they be solved?

“Metal partial dentures should alwaysincorporate occlusal supports.”Discuss this statement.

Describe how a clasp provides retention, support and bracing. Discuss the affect that the Modulus of Elasticity of an alloy has on a clasp design.

Outline the advantages and disadvantages of plates or bars when used as major connectors.

Describe one method that overcomes the problems that may occur when converting wax saddles into acrylic with metal frameworks.