elra

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Viewed from the occlusal, the basic coronal outline of a mandibular second premolar is

  1. square.
  2. circular.
  3. rhomboidal.
  4. pentagonal.
  5. rectangular.
 

elra

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. Primary molars differ from permanent molars in that primary molars
a. have flatter facial and lingual surfaces extending from the occlusal to the cervical ridge.
b. have thicker enamel compared to the total bulk of crowns.
c. have heavier root trunks.
d. tend to have less pronounced cervical ridges.

. Embrasures are the triangular spaces or areas between adjacent teeth where the approximating surfaces diverge from the contact area. Which of the following is NOT the location of an embrasure?
a. occlusal or incisal from the contact area
b. facial (buccal or lingual) from the contact area
c. lingual from the contact area
d. cervical from the contact area

Viewed from the occlusal, the greatest faciolingual diameter of a permanent mandibular second molar is located in which third of the crown?
a. distal
b. apical
c. middle
d. mesial
e. none of these
 
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Truth seeker

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. Primary molars differ from permanent molars in that primary molars
a. have flatter facial and lingual surfaces extending from the occlusal to the cervical ridge. answer
b. have thicker enamel compared to the total bulk of crowns.
c. have heavier root trunks.
d. tend to have less pronounced cervical ridges.

. Embrasures are the triangular spaces or areas between adjacent teeth where the approximating surfaces diverge from the contact area. Which of the following is NOT the location of an embrasure?
a. occlusal or incisal from the contact area
b. facial (buccal or lingual) from the contact area
c. lingual from the contact area
d. cervical from the contact area answer

Viewed from the occlusal, the greatest faciolingual diameter of a permanent mandibular second molar is located in which third of the crown?
a. distal
b. apical
c. middle answer
d. mesial
e. none of these

answers

in the 2nd question.......... al teeth 've 4 embrasures except mandibular centrals.....due to high contact areas n tight tooth to tooth contact. also there is no term cervical embasure....i've come across....thought logically it means gingival embrasure. pls post the answers.....
 
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gaya

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Initially, the developing heart is
a. induced by the notochord
b. positioned posterior to the notochord
c. positioned anterior to the prochordal plate
d. between the prochordal plate and the notochord.
 

gaya

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Each of the following is charac of creatinine EXCEPT one. Which one is the exception?

a) Freely filtered
b) Slightly secreted
c) Slightly reabsorbed
d) produced endogenously at a constant rate
 

elra

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In a normal retrusive tooth contacting movement of the mandible, which tooth contacts the maxillary central incisor?

  1. Canine
  2. Lateral incisor
  3. Central incisor
  4. Central and lateral incisors
  5. None of the above
 

krasnodar

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In a normal retrusive tooth contacting movement of the mandible, which tooth contacts the maxillary central incisor?

  1. Canine
  2. Lateral incisor
  3. Central incisor
  4. Central and lateral incisors
  5. None of the above
None of the above.....Do you have more difficult Q
 

Kash

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In a normal retrusive tooth contacting movement of the mandible, which tooth contacts the maxillary central incisor?

  1. Canine
  2. Lateral incisor
  3. Central incisor
  4. Central and lateral incisors
  5. None of the above

Ans:- 5
In retrusive mandibular movement there will be NO CONTACT whereas in protrusive mandibular movement the maxillary centrals contact mand. centrals and laterals
 

d dimps

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. Primary molars differ from permanent molars in that primary molars
a. have flatter facial and lingual surfaces extending from the occlusal to the cervical ridge.
b. have thicker enamel compared to the total bulk of crowns.
c. have heavier root trunks.
d. tend to have less pronounced cervical ridges.

. Embrasures are the triangular spaces or areas between adjacent teeth where the approximating surfaces diverge from the contact area. Which of the following is NOT the location of an embrasure?
a. occlusal or incisal from the contact area
b. facial (buccal or lingual) from the contact area
c. lingual from the contact area
d. cervical from the contact area

Viewed from the occlusal, the greatest faciolingual diameter of a permanent mandibular second molar is located in which third of the crown?
a. distal
b. apical
c. middle
d. mesial
e. none of these

1)have flatter facial and lingual surfaces extending from the occlusal to the cervical ridge

2)here the location of the embrasure is asked and cervically the gingival embrasure is present so i think there is no appropriate choice for this question.

3)middle .
 
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krasnodar

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can anybody elaborate on this conflicting aspect , occulsal outline of mand 2nd pm , key for released papers say pentagonal, book says square .what is correct ?


if release papers say Pentagon , don't argue with them , we know its wrong , but do what ever they want:rolleyes:
 

krasnodar

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a patient with symptoms of acute abcess with maxillary left incisor there is no clinical signs of decay or restoration .Radiographically which of foll. most likely be shown as cause of abcess -

a dialceratio
b concrescence
c dens in dente
d enamel pearls e agenesis
 

gaya

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a patient with symptoms of acute abcess with maxillary left incisor there is no clinical signs of decay or restoration .radiographically which of foll. Most likely be shown as cause of abcess -

a dialceratio
b concrescence
c dens in dente
d enamel pearls e agenesis


dens in dente
 

elra

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. Primary molars differ from permanent molars in that primary molars
a. have flatter facial and lingual surfaces extending from the occlusal to the cervical ridge.
b. have thicker enamel compared to the total bulk of crowns.
c. have heavier root trunks.
d. tend to have less pronounced cervical ridges.

. Embrasures are the triangular spaces or areas between adjacent teeth where the approximating surfaces diverge from the contact area. Which of the following is NOT the location of an embrasure?
a. occlusal or incisal from the contact area
b. facial (buccal or lingual) from the contact area
c. lingual from the contact area
d. cervical from the contact area



Viewed from the occlusal, the greatest faciolingual diameter of a permanent mandibular second molar is located in which third of the crown?
a. distal
b. apical
c. middle
d. mesial
e. none of these

ans
1.a
2.d
3.d
 

elra

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Considering root formation, which of the following permanent teeth most readily lend themselves to rotation with extraction forceps during surgical removal? (a) Maxillary central incisor; (b) Mandibular lateral incisor; (c) Mandibular second premolar; (d) Mandibular canine; (e) Maxillary lateral incisor; (f) Maxillary first premolar; (g) Mandibular central incisor

  1. (a) and (b)
  2. (a) and (c)
  3. (b) and (e)
  4. (c) and (f)
  5. (d) and (f)
  6. (d) and (g)
  7. (e) and (g)
The ans is given as (a) and (c)
wht do you guys think?
its a and e , right?
 

krasnodar

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Considering root formation, which of the following permanent teeth most readily lend themselves to rotation with extraction forceps during surgical removal? (a) Maxillary central incisor; (b) Mandibular lateral incisor; (c) Mandibular second premolar; (d) Mandibular canine; (e) Maxillary lateral incisor; (f) Maxillary first premolar; (g) Mandibular central incisor

  1. (a) and (b)
  2. (a) and (c)
  3. (b) and (e)
  4. (c) and (f)
  5. (d) and (f)
  6. (d) and (g)
  7. (e) and (g)
The ans is given as (a) and (c)
wht do you guys think?
its a and e , right?

Because a,c have round root but e the root is flatten mesiodestal
 

krasnodar

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Stability of TMJ joint is maintained by constant activity of the musclesthat pull cross the joint . These musclus are :

posterior neck muscles
suprahyiods
infrahyoid
depressors
elevators
 

elra

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Which of the following marginal ridges have little or no contact in ideal centric and eccentric maxillomandibular contact relationships? (a) Distal of maxillary second premolar; (b) Distal of mandibular first premolar; (c) Distal of mandibular second premolar; (d) Mesial of maxillary canine; (e) Mesial of mandibular first premolar.

  1. (a) and (b)
  2. (a) and (d)
  3. (b), (c) and (d)
  4. (b), (c) and (e)
  5. (d) and (e)
Ans is given as b, c,e.
Isn't b,d,e?

Someone plz help..
 
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elra

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In the absence of compensatory changes, a drop in blood pressure results from

  1. vasoconstriction.
  2. increased hematocrit.
  3. increased stroke volume.
  4. increased cardiac output.
  5. decreased venous return.
Ans given as (4)
Isn't 5??
 

krasnodar

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In the absence of compensatory changes, a drop in blood pressure results from

  1. vasoconstriction.
  2. increased hematocrit.
  3. increased stroke volume.
  4. increased cardiac output.
  5. decreased venous return.
Ans given as (4)
Isn't 5??


of course it must be 5
 

oralcare

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1) the microflora of healthy gingival sulcus is predominantly?
a. spirochetes n yeast
b. gm +facultative rods n spirochetes
c. gm +ve fac cocci n filamentous bact
d. gm -ve anerobic rods n fusobact
e. gm -ve anerobic cocci n gm +ve facultaive cocci
 

krasnodar

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1) the microflora of healthy gingival sulcus is predominantly?
a. spirochetes n yeast
b. gm +facultative rods n spirochetes
c. gm +ve fac cocci n filamentous bact
d. gm -ve anerobic rods n fusobact
e. gm -ve anerobic cocci n gm +ve facultaive cocci
.

gm -ve anerobic cocci n gm +ve facultaive cocci

If is not helthy gingiva i think the answer will be D.
 

krasnodar

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Each of the folloing structure is normally exhibited by mandibular insisors EXCEPT

cingula
Mameleon
Lingual fossa
marginal ridge
imbrication lines
 
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