MDS PREP
Cornoid process of mandible can be best viewed on
1. PA view of skull
2. Towne"s projection
3. Lateral view of skull
4. Wasters view
Radiology
Answer: 1
The coronoid process of the mandible can be best viewed on PA view of skull.
What is the role of the silane-coupling agent in the bonding between the filler and matrix in a dental composite material?
1) It acts as a binder to physically hold the filler and matrix together
2) It creates a chemical bond between the filler and the matrix
3) It enhances the mechanical strength of the composite
4) It provides a smooth surface for the filler to be evenly distributed in the matrix
Silane-coupling agents are used to improve the bonding between filler particles and the matrix in dental composite materials. They contain a methacrylic group that can co-polymerize with the dimethacrylate monomers present in the matrix, while also having functional groups that can interact with the filler material, typically silica or glass particles. This dual interaction creates a chemical bond, which enhances the overall stability and strength of the composite material.
Organism which causes sub acute bacterial endocarditis
1) Lacto bacillus
2) Streptococcus sanguis
3) Streptococcus viridans
4) Streptococcus pyogenes
General Medicine
Answer: 3
Which of the following is NOT a common behavioral symptom in early Huntington's disease?
(1) Depression
(2) Apathy
(3) Hyperactivity
(4) Social withdrawal
In early Huntington's disease, common behavioral symptoms include depression, apathy, irritability, and social withdrawal. Hyperactivity is not a typical early symptom; rather, the disease is more associated with a decline in motor function and increased involuntary movements (chorea).
In radiobiology, the "latent period" represents the period of time between
1. Cell rest and cell mitosis
2. The first and last dose in radiation therapy
3. Film exposure and image development
4. Radiation exposure and its biological effects
In radiobiology, the "latent period" represents the time between radiation exposure and its biological effects.
The file used to explore the apical third of a canal is called a -
1) Searcher
2) Seeker
3) Endodontic explorer
4) Endodontic probe
Endodontics
Answer: 2
The following is a guided spring
1) Buccal canine retractor
2) Coffin spring
3) Sleeved canine retractor
4) Cantilever spring
Orthodontics
Answer: 4
What are the characteristics of a condenser that allows it to be considered user-friendly?
1) High elastic limit and steep force-deflection curve.
2) Low elastic limit and high springiness.
3) Flat slope and high elastic range.
4) High elastic limit and high springiness.
A condenser that is considered user-friendly typically has a high elastic limit and high springiness, allowing for better control and easier placement of the restorative material.