MDS PREP
The concept of occlusion that maintains that the anteroposterior plane of occlusion should be parallel with the denture foundation and not dictated by the horizontal condylar guidance is called
1. Lingualised concept
2. Balanced concept
3. Neutrocentric concept
4. Mutually protected concept
Prosthodontics
Answer: 3
The neutrocentric concept of occlusion emphasizes that the occlusal plane should be parallel to the denture foundation and not influenced by the horizontal condylar guidance. This approach aims to achieve a more stable occlusion by focusing on the relationship between the occlusal plane and the supporting structures.
The zinc oxide eugenol impression paste is used to enhance quality of
1. Modeling compound impression
2. Reversible hydrocolloid impression
3. Alginate impressions
4. Wax impressions
Prosthodontics
Answer: 1
The zinc oxide eugenol impression paste is used to enhance the quality of modeling compound impression.
Loss of several teeth may result in
1. Change in the facial contour
2. TMJ disturbances
3. Periodontal disturbances
4. All of the above
Loss of several teeth may result in all of the above: change in the facial contour, TMJ disturbances, periodontal disturbances.
When patient closes in centric occlusion if lower jaw is placed anteriorly in relation to upper jaw, it is called as
1. Normal occlusion
2. Centric occlusion
3. Pre normal occlusion
4. Centric relation
Prosthodontics
Answer: 3
When a patient closes in centric occlusion, if the lower jaw is placed anteriorly in relation to the upper jaw, it is called pre-normal occlusion.
In making a final impression for a complete denture, the most important area of the impression is
1. Ridge area of maxilla and buccal shelf of mandible
2. Lingual border area of mandible
3. Junction of hard and soft palate of maxilla and distolingual area of mandible
4. Mid palatel area of maxilla and ridge of the mandible
Prosthodontics
Answer: 3
In making a final impression for a complete denture, the most important area of the impression is the junction of hard and soft palate of maxilla and distolingual area of mandible.
The posterior palatel seal for a maxillary complete denture
1. Is placed immediately posterior to the vibrating line
2. Is placed immediately anterior to the vibrating line
3. Is not necessary if a metal base is made
4. Will vary in outline and depth according to the palatal form
Prosthodontics
Answer: 4
The posterior palatal seal for a maxillary complete denture will vary in outline and depth according to the palatal form.
The effect of saliva on the denture prognosis
1. No effect
2. Affects denture retention
3. Tissue conditioners are indicated when there is reduction in salivary flow
4. None of the above
Prosthodontics
Answer: 2
The effect of saliva on denture prognosis affects denture retention.
Mandible can be made into retruded position for recording the centric relation by
1. Protrude and retrude mandible alternately
2. Repeating the word "M" and relaxing
3. Making the tongue touch the posterior palate
4. All of the above
Prosthodontics
Answer: 4
The mandible can be made into retruded position for recording the centric relation by all of the above: protrude and retrude mandible alternately, repeating the word "M" and relaxing, making the tongue touch the posterior palate.