1) On checking the try in on the articulator, all of the following is correct except: a) when the articulator is in centric position, both hinge and translation movement is allowed b) the incisal pin should touch the incisal table at the correct vertical dimension of occlusion c) the articulator should move from centric to eccentric with free articulation of teeth d) none of the above 2) On checking the try in on the mounted master cast, all of the following is correct except: a) trial denture base should adapt properly on the cast with no relief made on the master cast b) casts free from wax spots on the ridge c) casts shouldn't be touching at rear d) none of the above 3) The neutral zone: a) b) it is space between the cheek in one side and ridge on the other side placement of artificial teeth lingual to this zone results in tongue cramping c) artificial teeth in this zone is subjected to opposite non equal forces d) all of the above
1) On checking the try in on the articulator, all of the following is correct except: a) when the articulator is in centric position, both hinge and translation movement is allowed b) the incisal pin should touch the incisal table at the correct vertical dimension of occlusion c) the articulator should move from centric to eccentric with free articulation of teeth d) none of the above 2) On checking the try in on the mounted master cast, all of the following is correct except: a) trial denture base should adapt properly on the cast with no relief made on the master cast b) casts free from wax spots on the ridge c) casts shouldn't be touching at rear d) none of the above 3) The neutral zone: a) b) it is space between the cheek in one side and ridge on the other side placement of artificial teeth lingual to this zone results in tongue cramping c) artificial teeth in this zone is subjected to opposite non equal forces d) all of the above
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Transcribed Image Text:**Articulator and Dental Prosthesis Checks: Key Points for Students**
1. **On checking the try-in on the articulator, all of the following is correct except:**
- a) When the articulator is in centric position, both hinge and translation movement is allowed.
- b) The incisal pin should touch the incisal table at the correct vertical dimension of occlusion.
- c) The articulator should move from centric to eccentric with free articulation of teeth.
- d) None of the above.
2. **On checking the try-in on the mounted master cast, all of the following is correct except:**
- a) Trial denture base should adapt properly on the cast with no relief made on the master cast.
- b) Casts free from wax spots on the ridge.
- c) Casts shouldn’t be touching at rear.
- d) None of the above.
3. **The neutral zone:**
- a) It is space between the cheek on one side and ridge on the other side.
- b) Placement of artificial teeth lingual to this zone results in tongue cramping.
- c) Artificial teeth in this zone is subjected to opposite non-equal forces.
- d) All of the above.
4. **On checking the centric relation in try-in stage:**
- a) During mandibular closure, the teeth should meet cusp incline to cusp incline.
- b) If centric relation was wrong, new centric relation record is required with no change in the articulator mounting.
- c) Shifting of the trial denture base on mandibular closure shouldn’t be elicited.
- d) None of the above.
5. **Uneven bearing in try-in stage, all of the following is correct except:**
- a) This is may be due to cuspal interference at such side.
- b) Trial denture bases are touching at rear during recording the jaw relation.
- c) If wax knife can pass through one side then at such side the teeth are removed and new jaw relation is to be made.
- d) None of the above.
6. **Two pieces of thin celluloid strips are placed between the teeth in the molar region on each side to check:**
- a) The equilibration of occlusal pressure in the waxed up denture.
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