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MDS PREP
Nursing bottle caries may be attributed to
1) Human milk
2) Non-human milk
3) Non-human milk with additives
4) Feeding methods and susceptibility
Pedodontics Answer: 4

The most reliable criteria in Gustafson"s method of identification is
1) Cementum apposition
2) Transparency of root
3) Attrition
4) Root resorption
Community Dentistry Answer: 2


Bone graft procedures are most successful in treating
1) Furcation involvements
2) Deep, two-wall craters
3) Narrow three-wall defects
4) None of the above
Periodontics Answer: 3

Bone graft procedures are most successful in treating narrow three-wall defects. These are defects that extend from the crest of the alveolar bone to the alveolar crest and involve only one surface of the tooth root. The success of a bone graft in such cases is due to the presence of three walls of intact bone that can provide stability and support for the graft material, allowing for predictable and effective regeneration of the missing bone tissue.

Iron content in 3M stainless steel crowns is
1) 20 %
2) 40 %
3) 60 %
4) 10 %
Pedodontics Answer: 4

Which of the following is responsible for autoimmunity in Epstein-Barr virus infection?
1) Molecular mimicry
2) Polyclonal B-cell activation
3) Upregulation of co-stimulatory molecules
4) Antigenic cross-reactivity
General Pathology Answer: 2

Polyclonal B-cell activation is responsible for autoimmunity in Epstein-Barr virus infection, leading to various autoimmune manifestations.

Fracture of mandible all are true except
1) Fracture of the mandible are common at the angle of the mandible
2) Fracture of the mandible are a affected by the muscle pull
3) Fractures of the mandible are usually characterized by sublingual haematoma
4) CSF rhinorrhoea is a common finding
Oral Surgery Answer: 4

CSF rhinorrhea is not a common finding in mandibular fractures; it is more associated with skull base injuries.

Function of a compensating curve as related to a CD is
1) Same function as curve of Spee in natural dentition
2) Aids in establishing the condylar inclination
3) To provide a balanced occlusion in the CD
4) All of the above
Prosthodontics Answer: 3

A retained lower decidious incisor will usually
1) Deflect permanent teeth lingually
2) Deflect permanent teeth labially
3) Deflect permanent teeth distally
4) Cause ankylosis of permanent teeth
Orthodontics Answer: 1

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