MDS PREP

Localised gingival recession in the region of mandibular incisors may be due to
1) Increasing spacing of tooth
2) Idiopathic fibrosis
3) Abnormal frenal attachment
4) Dilantin therapy

Orthodontics Answer: 3

All of the following increase anchorage resulting in tooth movement except
1) Attaching more number of tooth units
2) Use of extraoral forces
3) Use of rectangular slots in fixed appliances
4) Reciprocating maxilla against mandible

Orthodontics Answer: 3

Placing the beaks into the furcation of primary second molar during extraction in 6-year-old child is contraindicated because
1) Proximity of succedaneous tooth buds
2) Of possibility of fracture of crowns
3) Of possibility of fracture of facial plates
4) Of possibility of fracture of lingual plates

Orthodontics Answer: 1

Compared to tipping movements produced by removable appliance, bodily movements by means of fixed appliance
1) Move teeth rapidly
2) Move teeth slowly
3) Require high forces
4) Show higher root resorption

Orthodontics Answer: 3

Use of light cure in orthodontics is done in case of
1) Bonded retainer
2) Fixing the brackets
3) Correction of 1mm midline diastema
4) All of these

Orthodontics Answer: 4

If a child is born and lived for first eight years in area which contains water supply with 2.5 ppm of fluoride, mottling develops
1) In all primary teeth
2) In all permanent teeth
3) In all permanent teeth except third molars
4) Only permanent incisors are affected

Orthodontics Answer: 3

The cranial vault increases rapidly postnatally. By the age of six what % of cranial growth is completed
1) 60 %
2) 80 %
3) 90 %
4) 100 %

Orthodontics Answer: 3

MDS PREP

Localised gingival recession in the region of mandibular incisors may be due to
1) Increasing spacing of tooth
2) Idiopathic fibrosis
3) Abnormal frenal attachment
4) Dilantin therapy

All of the following increase anchorage resulting in tooth movement except
1) Attaching more number of tooth units
2) Use of extraoral forces
3) Use of rectangular slots in fixed appliances
4) Reciprocating maxilla against mandible

Placing the beaks into the furcation of primary second molar during extraction in 6-year-old child is contraindicated because
1) Proximity of succedaneous tooth buds
2) Of possibility of fracture of crowns
3) Of possibility of fracture of facial plates
4) Of possibility of fracture of lingual plates

Compared to tipping movements produced by removable appliance, bodily movements by means of fixed appliance
1) Move teeth rapidly
2) Move teeth slowly
3) Require high forces
4) Show higher root resorption

Use of light cure in orthodontics is done in case of
1) Bonded retainer
2) Fixing the brackets
3) Correction of 1mm midline diastema
4) All of these

If a child is born and lived for first eight years in area which contains water supply with 2.5 ppm of fluoride, mottling develops
1) In all primary teeth
2) In all permanent teeth
3) In all permanent teeth except third molars
4) Only permanent incisors are affected

The cranial vault increases rapidly postnatally. By the age of six what % of cranial growth is completed
1) 60 %
2) 80 %
3) 90 %
4) 100 %

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

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MDS PREP

Localised gingival recession in the region of mandibular incisors may be due to1) Increasing spacing of tooth2) Idiopathic fibrosis3) Abnormal frenal attachment4) Dilantin therapy

All of the following increase anchorage resulting in tooth movement except1) Attaching more number of tooth units2) Use of extraoral forces3) Use of rectangular slots in fixed appliances4) Reciprocating maxilla against mandible

Placing the beaks into the furcation of primary second molar during extraction in 6-year-old child is contraindicated because1) Proximity of succedaneous tooth buds2) Of possibility of fracture of crowns3) Of possibility of fracture of facial plates4) Of possibility of fracture of lingual plates

Compared to tipping movements produced by removable appliance, bodily movements by means of fixed appliance1) Move teeth rapidly2) Move teeth slowly3) Require high forces4) Show higher root resorption

Use of light cure in orthodontics is done in case of1) Bonded retainer2) Fixing the brackets3) Correction of 1mm midline diastema4) All of these

If a child is born and lived for first eight years in area which contains water supply with 2.5 ppm of fluoride, mottling develops1) In all primary teeth2) In all permanent teeth3) In all permanent teeth except third molars4) Only permanent incisors are affected

The cranial vault increases rapidly postnatally. By the age of six what % of cranial growth is completed1) 60 %2) 80 %3) 90 %4) 100 %

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

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Localised gingival recession in the region of mandibular incisors may be due to
1) Increasing spacing of tooth
2) Idiopathic fibrosis
3) Abnormal frenal attachment
4) Dilantin therapy

All of the following increase anchorage resulting in tooth movement except
1) Attaching more number of tooth units
2) Use of extraoral forces
3) Use of rectangular slots in fixed appliances
4) Reciprocating maxilla against mandible

Compared to tipping movements produced by removable appliance, bodily movements by means of fixed appliance
1) Move teeth rapidly
2) Move teeth slowly
3) Require high forces
4) Show higher root resorption

Use of light cure in orthodontics is done in case of
1) Bonded retainer
2) Fixing the brackets
3) Correction of 1mm midline diastema
4) All of these

If a child is born and lived for first eight years in area which contains water supply with 2.5 ppm of fluoride, mottling develops
1) In all primary teeth
2) In all permanent teeth
3) In all permanent teeth except third molars
4) Only permanent incisors are affected

The cranial vault increases rapidly postnatally. By the age of six what % of cranial growth is completed
1) 60 %
2) 80 %
3) 90 %
4) 100 %

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