MDS PREP

Tooth in the mandibular arch which is most likely to be displaced due to arch size discrepancy is
1) First molar
2) Second molar
3) First premolar
4) Second premolar

Orthodontics Answer: 4

The three landmarks which determine skeletal convexity are
1) Glabella, prosthion and supramentale
2) Nasion, sella and articulare
3) Nasion, subspinale and pogonion
4) None of the above

Orthodontics Answer: 3

Resorption of cementum as compared to bone when orthodontic forces applied
1) More intense
2) Less intense
3) Same intense
4) Variable

Orthodontics Answer: 2

A coil spring used over an arch wire segment for space regaining should deliver a force of
1) 15-30 g
2) 50-100 g
3) 90-120 g
4) 120-150 g

Orthodontics Answer: 3

Typically rapid palatal expansion is done with a jack screw that is activated at the rate of
1) 1.0 to 2.0 mm/week
2) 1.0 to 2.0 mm/day
3) 0.5 to 1.0 mm/week
4) 0.5 to 1.0 mm/day

Orthodontics Answer: 4

Tooth shows beginning of eruptive movements in which stage of Nolla"s classification
1. Stage I
2. Stage V
3. Stage VI
4. Stage VIII

Orthodontics Answer: 3

Which of the following permanent teeth is least extracted for orthodontic treatment?
1) Canines
2) Maxillary first permanent molar
3) 1st molar
4) 2nd molar

Orthodontics Answer: 1

A 9-yr-old child came to the the dental clinic with spacing in anterior teeth. The line of treatment is
1) Fixed appliance
2) Removable appliance
3) Inclined plane
4) No treatment, observation of patient

Orthodontics Answer: 4

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MDS PREP

Tooth in the mandibular arch which is most likely to be displaced due to arch size discrepancy is1) First molar2) Second molar3) First premolar4) Second premolar

The three landmarks which determine skeletal convexity are1) Glabella, prosthion and supramentale2) Nasion, sella and articulare3) Nasion, subspinale and pogonion4) None of the above

Resorption of cementum as compared to bone when orthodontic forces applied1) More intense2) Less intense3) Same intense4) Variable

A coil spring used over an arch wire segment for space regaining should deliver a force of1) 15-30 g2) 50-100 g3) 90-120 g4) 120-150 g

Typically rapid palatal expansion is done with a jack screw that is activated at the rate of1) 1.0 to 2.0 mm/week2) 1.0 to 2.0 mm/day3) 0.5 to 1.0 mm/week4) 0.5 to 1.0 mm/day

Tooth shows beginning of eruptive movements in which stage of Nolla"s classification 1. Stage I 2. Stage V 3. Stage VI 4. Stage VIII

Which of the following permanent teeth is least extracted for orthodontic treatment?1) Canines2) Maxillary first permanent molar3) 1st molar4) 2nd molar

A 9-yr-old child came to the the dental clinic with spacing in anterior teeth. The line of treatment is1) Fixed appliance2) Removable appliance3) Inclined plane4) No treatment, observation of patient

Explore by subjects

Tooth in the mandibular arch which is most likely to be displaced due to arch size discrepancy is
1) First molar
2) Second molar
3) First premolar
4) Second premolar

The three landmarks which determine skeletal convexity are
1) Glabella, prosthion and supramentale
2) Nasion, sella and articulare
3) Nasion, subspinale and pogonion
4) None of the above

Resorption of cementum as compared to bone when orthodontic forces applied
1) More intense
2) Less intense
3) Same intense
4) Variable

A coil spring used over an arch wire segment for space regaining should deliver a force of
1) 15-30 g
2) 50-100 g
3) 90-120 g
4) 120-150 g

Typically rapid palatal expansion is done with a jack screw that is activated at the rate of
1) 1.0 to 2.0 mm/week
2) 1.0 to 2.0 mm/day
3) 0.5 to 1.0 mm/week
4) 0.5 to 1.0 mm/day

Tooth shows beginning of eruptive movements in which stage of Nolla"s classification
1. Stage I
2. Stage V
3. Stage VI
4. Stage VIII

Which of the following permanent teeth is least extracted for orthodontic treatment?
1) Canines
2) Maxillary first permanent molar
3) 1st molar
4) 2nd molar

A 9-yr-old child came to the the dental clinic with spacing in anterior teeth. The line of treatment is
1) Fixed appliance
2) Removable appliance
3) Inclined plane
4) No treatment, observation of patient