TOPIC: QUICK REVISION OF VIVA QUESTIONS

Q51. What are the permanent record base fabricating materials?

Ans. The basic materials that are used for permanent record bases are:

1. Processed heat cure acrylic resin
2. Gold alloys
3. Chromium-cobalt alloy

Q52. What are the temporary record base materials? 

Ans. The basic materials that are frequently used are:

1. Shellac base plate wax
2. Cold cure acrylic resin
3. Light curing acrylic resin

Q53. What is an occlusal rim?

Ans. The occlusal surfaces fabricated on a record base for the purpose of making maxillomandibular relationship records and/or arranging teeth.

Q54. What is an articulator?

Ans. A mechanical instrument that represents the temporomandibular joints and jaws, to which maxillary and mandibular casts may be attached to simulate same or all mandibular movements.