Need Help In Prosthodontics

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gag

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To improve denture stability, mandibular molar
teeth should normally be placed
A. over the crest of the mandibular ridge.
B. buccal to the crest of the mandibular
ridge.
C. over the buccal shelf area.
D. lingual to the crest of the mandibular
ridge.

is A the correct answer

Upon examination of an edentulous patient, it
is observed that the tuberosities contact the
retromolar pads at the correct occlusal vertical
dimension. The treatment of choice is to
A. reduce the retromolar pads surgically
to provide the necessary clearance.
B. reduce the tuberosities surgically to
provide the necessary clearance.
C. construct new dentures at an
increased occlusal vertical dimension
to gain the necessary clearance.
D. proceed with construction of the
denture and reduce the posterior
extension of the mandibular denture
to eliminate interferences.


Upon examination of an edentulous patient, it
is observed that the tuberosities contact the
retromolar pads at PHYSIOLOGICAL REST POSITION
. The treatment of choice is to
A. reduce the retromolar pads surgically
to provide the necessary clearance.
B. reduce the tuberosities surgically to
provide the necessary clearance.
C. construct new dentures at an
increased occlusal vertical dimension
to gain the necessary clearance.
D. proceed with construction of the
denture and reduce the posterior
extension of the mandibular denture
to eliminate interferences

i know we reduce the tuberosities if they r in touch with retromolar pad area at rest position ,but what about corrected vertical dimension of occlusion
plz explain this to me

Treatmentof choice for apatient with amxillary comlete denture with severe milateral tuberosity undercuts is to
1. remove both tuberosity undercuts
2. reduce the tissue bilaterally
3. reduce tissue on one side only,if possible

now, answer to this one is 3.can some one expalain this to me

4. none of the above,no t/t necessary
Extreme resorption of an edentulous mandible
can bring the alveolar ridge to the level of the
attachment of the
A. buccinator, styloglossus and
geniohyoid muscles.
B. mylohyoid, buccinator and
styloglossus muscles.
C. superior constrictor, mylohyoid and
buccinator muscles.
D. mylohyoid, buccinator and
genioglossus muscles.

119. The maxillary cast partial denture major connector
design with the greatest potential to cause speech
problems is
A. a thick narrow major connector.
B. an anterior and a posterior bar.
C. a thin broad palatal strap.
D. narrow horseshoe shaped.
 
gag said:
Treatmentof choice for apatient with amxillary comlete denture with severe milateral tuberosity undercuts is to
1. remove both tuberosity undercuts
2. reduce the tissue bilaterally
3. reduce tissue on one side only,if possible

now, answer to this one is 3.can some one expalain this to me

Hi gag

I think by reducing tissue on one side we create a path of insertion. And at the same time leaving undercut on other side we help retention. does this make sense?

rahmed
 
rahmed said:
gag said:
Treatmentof choice for apatient with amxillary comlete denture with severe milateral tuberosity undercuts is to
1. remove both tuberosity undercuts
2. reduce the tissue bilaterally
3. reduce tissue on one side only,if possible

now, answer to this one is 3.can some one expalain this to me

Hi gag

I think by reducing tissue on one side we create a path of insertion. And at the same time leaving undercut on other side we help retention. does this make sense?

rahmed

hi rahmed , u are right,
reduction of undercut is only done on one side inc ase of bilateral undercuts..
reducing it on one side aids in path of insertion and the others side helps in retension.
 
gag said:
To improve denture stability, mandibular molar
teeth should normally be placed
A. over the crest of the mandibular ridge.
B. buccal to the crest of the mandibular
ridge.
C. over the buccal shelf area.
D. lingual to the crest of the mandibular
ridge.

is A the correct answer

A is the correct answer.
stability is best when placed over the crest.
it is sometimes requires to place a bit lingually in case the opposing max teeth are exactly on crest , and furthur positioning them buccally to ensure that mand teth sit on crest is not acceptable.
it is better to have the max teeth exactly on crest even if sometimes the mand are placed a bit lingually.


Upon examination of an edentulous patient, it
is observed that the tuberosities contact the
retromolar pads at the correct occlusal vertical
dimension. The treatment of choice is to
A. reduce the retromolar pads surgically
to provide the necessary clearance.
B. reduce the tuberosities surgically to
provide the necessary clearance.
C. construct new dentures at an
increased occlusal vertical dimension
to gain the necessary clearance.
D. proceed with construction of the
denture and reduce the posterior
extension of the mandibular denture
to eliminate interferences.


Upon examination of an edentulous patient, it
is observed that the tuberosities contact the
retromolar pads at PHYSIOLOGICAL REST POSITION
. The treatment of choice is to
A. reduce the retromolar pads surgically
to provide the necessary clearance.
B. reduce the tuberosities surgically to
provide the necessary clearance.
C. construct new dentures at an
increased occlusal vertical dimension
to gain the necessary clearance.
D. proceed with construction of the
denture and reduce the posterior
extension of the mandibular denture
to eliminate interferences


one cannot increase the vertical dimension of occlusion because patient will develope other problems like pain in TMJ ..
are u sure that one prefers to reduce the tuberosities in all cases in case they touch the retromolar pad area...
i think the answer would be to reduce the posaterior extension of the mand dunture to eliminate inteference.
maybe in the second case where the tuberositeis are touching the retromolar pad area maybe surgical reduction of tuberosities is required ..
where did u read that only surgical reduction is required.?
any thoughts?


Extreme resorption of an edentulous mandible
can bring the alveolar ridge to the level of the
attachment of the
A. buccinator, styloglossus and
geniohyoid muscles.
B. mylohyoid, buccinator and
styloglossus muscles.
C. superior constrictor, mylohyoid and
buccinator muscles.
D. mylohyoid, buccinator and
genioglossus muscles.

ans : D
 
gag said:
To improve denture stability, mandibular molar
teeth should normally be placed
A. over the crest of the mandibular ridge.
B. buccal to the crest of the mandibular
ridge.
C. over the buccal shelf area.
D. lingual to the crest of the mandibular
ridge.

is A the correct answer

Upon examination of an edentulous patient, it
is observed that the tuberosities contact the
retromolar pads at the correct occlusal vertical
dimension. The treatment of choice is to
A. reduce the retromolar pads surgically
to provide the necessary clearance.
B. reduce the tuberosities surgically to
provide the necessary clearance.
C. construct new dentures at an
increased occlusal vertical dimension
to gain the necessary clearance.
D. proceed with construction of the
denture and reduce the posterior
extension of the mandibular denture
to eliminate interferences.


Upon examination of an edentulous patient, it
is observed that the tuberosities contact the
retromolar pads at PHYSIOLOGICAL REST POSITION
. The treatment of choice is to
A. reduce the retromolar pads surgically
to provide the necessary clearance.
B. reduce the tuberosities surgically to
provide the necessary clearance.
C. construct new dentures at an
increased occlusal vertical dimension
to gain the necessary clearance.
D. proceed with construction of the
denture and reduce the posterior
extension of the mandibular denture
to eliminate interferences

i know we reduce the tuberosities if they r in touch with retromolar pad area at rest position ,but what about corrected vertical dimension of occlusion
plz explain this to me

Treatmentof choice for apatient with amxillary comlete denture with severe milateral tuberosity undercuts is to
1. remove both tuberosity undercuts
2. reduce the tissue bilaterally
3. reduce tissue on one side only,if possible

now, answer to this one is 3.can some one expalain this to me

4. none of the above,no t/t necessary
Extreme resorption of an edentulous mandible
can bring the alveolar ridge to the level of the
attachment of the
A. buccinator, styloglossus and
geniohyoid muscles.
B. mylohyoid, buccinator and
styloglossus muscles.
C. superior constrictor, mylohyoid and
buccinator muscles.
D. mylohyoid, buccinator and
genioglossus muscles.

119. The maxillary cast partial denture major connector
design with the greatest potential to cause speech
problems is
A. a thick narrow major connector.
B. an anterior and a posterior bar.
C. a thin broad palatal strap.
D. narrow horseshoe shaped.
Hi again .The answer for the first question is A ,for sure . The second and third questions i would choose reduction of maxillary tuberosities in both cases because we dont reduce retromolar pads (o lot of muscles buccinator,pterygomandibular raphae,superior constrictor , insert there)if mandibular complete denture terminates short of retromolar pad marked ridge resorption will occur,also not good retention at all which even without reduction is problematic compared to palatal denture (since we dont have a seal)As for augmenting vertical occlusion i dont remember the exact number of mm that we can do that without creating problem to the TMJ but i ll try to find that and come back to the question.The next question i agree whith Rahmed and Toothie so 3.The question about the resorption of mandibule ,the mylohyoid and buccinator muscles yes is clear but not only the genioglossus muscle also the superior constrictor can be to the same level of the resorped alveolar ridge. Also thinking that the distal parts of the residual ridge disappear faster than the anterior parts (as i found in a theses especially for alvealar ridge resorption) then is maybe the superior contractor rather than genioglossus muscle ,who is relativly deep (mental tubercule).119 question i think the answer is A .
 
Upon examination of an edentulous patient, it
is observed that the tuberosities contact the
retromolar pads at the correct occlusal vertical
dimension. The treatment of choice is to
A. reduce the retromolar pads surgically
to provide the necessary clearance.
B. reduce the tuberosities surgically to
provide the necessary clearance.
C. construct new dentures at an
increased occlusal vertical dimension
to gain the necessary clearance.
D. proceed with construction of the
denture and reduce the posterior
extension of the mandibular denture
to eliminate interferences.


Upon examination of an edentulous patient, it
is observed that the tuberosities contact the
retromolar pads at PHYSIOLOGICAL REST POSITION
. The treatment of choice is to
A. reduce the retromolar pads surgically
to provide the necessary clearance.
B. reduce the tuberosities surgically to
provide the necessary clearance.
C. construct new dentures at an
increased occlusal vertical dimension
to gain the necessary clearance.
D. proceed with construction of the
denture and reduce the posterior
extension of the mandibular denture
to eliminate interferences


i read the answer in one of the ndeb releases about surgical correction of rigde in case of rest position but i have no idea ab correct vertical dimension
 
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