Wax patterns ARE NOT to be left on the bench for long time because of, A. Distortion B. Lost of elasticity

Wax patterns ARE NOT to be left on the bench for long time because of,
A. Distortion
B. Lost of elasticity
by

1 Answer

Answer :

A. Distortion
by

Related questions

Why would you invest the wax pattern as soon as possible in an indirect inlay fabrication: A. Minimise distortion B. Avoid contraction C. Avoid expansion

Description : Why would you invest the wax pattern as soon as possible in an indirect inlay fabrication: A. Minimise distortion B. Avoid contraction C. Avoid expansion

Last Answer : A. Minimise distortion

A partial denture that seats on the master cast but fails to seat correctly in the mouth is a result of, A. Contraction of the metal framework during casting B. Insufficient expansion of the investment material C. Distortion of impression D. Failure to block out unwanted undercuts

Description : A partial denture that seats on the master cast but fails to seat correctly in the mouth is a result of, A. Contraction of the metal framework during casting B. Insufficient expansion of the investment material C. Distortion of impression D. Failure to block out unwanted undercuts

Last Answer : C. Distortion of impression

Distortion or change in shape of a cast partial denture clasp during its clinical use probably indicates that the: A. Ductility was too low B. Hardness was too great C. Ultimate tensile strength was too low D. Tension temperature was too high E. Elastic limit was exceeded

Description : Distortion or change in shape of a cast partial denture clasp during its clinical use probably indicates that the: A. Ductility was too low B. Hardness was too great C. Ultimate tensile strength was too low D. Tension temperature was too high E. Elastic limit was exceeded

Last Answer : E. Elastic limit was exceeded

In the construction of partial dentures the surveyor is not used to, A. Contour the wax as part of the fabrication of the working cast B. Locate the guide planes C. Determine the location of indirect retainers D. Identify any undesirable undercuts

Description : In the construction of partial dentures the surveyor is not used to, A. Contour the wax as part of the fabrication of the working cast B. Locate the guide planes C. Determine the location of indirect retainers D. Identify any undesirable undercuts

Last Answer : A. Contour the wax as part of the fabrication of the working cast

You can increase the retention of a Maryland bridge by: A. Incorporating mesh work in wax pattern B. Perforation techniques in the metal cast

Description : You can increase the retention of a Maryland bridge by: A. Incorporating mesh work in wax pattern B. Perforation techniques in the metal cast

Last Answer : A. Incorporating mesh work in wax pattern

In regard to indirect compared to direct wax technique, what characteristics must the wax have:** A. Low temperature solidifying point B. Hard in room temperature C. Higher flow in room temperature

Description : In regard to indirect compared to direct wax technique, what characteristics must the wax have:** A. Low temperature solidifying point B. Hard in room temperature C. Higher flow in room temperature

Last Answer : B. Hard in room temperature

.For an onlay preparation, which of the following is the MOST EFFECTIVE means for verifying adequate occlusal clearance A. Wax bite chew in B. Proper depth cuts C. Visual inspection D. Articulating paper

Description : .For an onlay preparation, which of the following is the MOST EFFECTIVE means for verifying adequate occlusal clearance A. Wax bite chew in B. Proper depth cuts C. Visual inspection D. Articulating paper

Last Answer : A. Wax bite chew in

What is NOT related to the normal aging process? A. Progressive bone loss B. Reduced elasticity of muscles C. Decreased elasticity of the skin D. Lower pain threshold

Description : What is NOT related to the normal aging process? A. Progressive bone loss B. Reduced elasticity of muscles C. Decreased elasticity of the skin D. Lower pain threshold

Last Answer : D. Lower pain threshold

Stiffness of material is measured by, A. Proportional unit B. Modules of elasticity C. Stress/ strain

Description : Stiffness of material is measured by, A. Proportional unit B. Modules of elasticity C. Stress/ strain

Last Answer : B. Modules of elasticity

Which of the following does not affect the elasticity of retentive clasp? A. Length of the arm B. The cross section shape C. The material used D. The undercut area

Description : Which of the following does not affect the elasticity of retentive clasp? A. Length of the arm B. The cross section shape C. The material used D. The undercut area

Last Answer : D. The undercut area

The ductility of metal is usually expressed in terms of the: A. Yield strength (point where the material is not longer elastic) B. Percent elongation C. Modulus of elasticity (stiffness of the material)

Description : The ductility of metal is usually expressed in terms of the: A. Yield strength (point where the material is not longer elastic) B. Percent elongation C. Modulus of elasticity (stiffness of the material)

Last Answer : B. Percent elongation

A Gold clasp is more elastic than Cobalt Chrome, but Co-Chrome has high modulus of elasticity. A. The first statement is false the second is true B. Both are true C. The first is true the second is false D. Both are false

Description : A Gold clasp is more elastic than Cobalt Chrome, but Co-Chrome has high modulus of elasticity. A. The first statement is false the second is true B. Both are true C. The first is true the second is false D. Both are false

Last Answer : B. Both are true

Modulus of elasticity is defined as: A. The stress at the proportional limit B. The stress-strain ratio within the proportional limit

Description : Modulus of elasticity is defined as: A. The stress at the proportional limit B. The stress-strain ratio within the proportional limit

Last Answer : B. The stress-strain ratio within the proportional limit

How long should acrylic self-cure special trays been made prior to taking impression: A. 12 hrs B. Immediately after fabricating it C. After been left in water for an hour D. Wait for an hour before pouring

Description : How long should acrylic self-cure special trays been made prior to taking impression: A. 12 hrs B. Immediately after fabricating it C. After been left in water for an hour D. Wait for an hour before pouring

Last Answer : A. 12 hrs

What is the most common method to ensure that any stored data lost can be recovered?

Description : What is the most common method to ensure that any stored data lost can be recovered?

Last Answer : Backup files

.Which of the following is true: A. Antibiotics are useful in the treatment of periodontitis B. Trauma from occlusion causes thickening of the marginal gingivae C. Periodontitis is the primary cause of teeth lost after the age of 35. D. All periodontal pockets can be identified by x-ray E. Periodontitis is the most common disease in the oral cavity

Description : .Which of the following is true:  A. Antibiotics are useful in the treatment of periodontitis   B. Trauma from occlusion causes thickening of the marginal gingivae  C. Periodontitis is the ... can be identified by x-ray  E. Periodontitis is the most common disease in the oral cavity

Last Answer : E. Periodontitis is the most common disease in the oral cavity

Attrition is,v A. Process of normal wear of teeth B. Lost of teeth substance as a result of chemical exposure

Description : Attrition is,v A. Process of normal wear of teeth B. Lost of teeth substance as a result of chemical exposure

Last Answer : A. Process of normal wear of teeth

.In which situation is the translucency of a tooth lost:CHECK A. Death of the pulp B. Complete calcification of pulp chamber C. Hyperaemia D. Pulp stone E. All of the above

Description : .In which situation is the translucency of a tooth lost:CHECK A. Death of the pulp B. Complete calcification of pulp chamber C. Hyperaemia D. Pulp stone E. All of the above

Last Answer : E. All of the above

Which of the following is a typical consequence of dental crowding, assuming no primary tooth has been lost prematurely? A. Overlapping of lower incisors B. Palatal displacement of upper canines C. Impaction of 15 and 25 between first premolars and first molars D. Mesial tipping of 16 and 26 E. Rotation of 16 and 26

Description : Which of the following is a typical consequence of dental crowding, assuming no primary tooth has been lost prematurely? A. Overlapping of lower incisors B. Palatal displacement of upper canines C. Impaction ... and first molars D. Mesial tipping of 16 and 26 E. Rotation of 16 and 26

Last Answer : A. Overlapping of lower incisors

Explain the left hemisphere area related to language?

Description : Explain the left hemisphere area related to language?

Last Answer : The first language area within the left hemisphere to be discovered is Broca's area, named after Paul Broca, who discovered the area while studying patients with aphasia, a language disorder. Broca's area doesn't ... the difference between "The boy was hit by the girl" and "The girl hit the boy."

A blow to the mandible resulted in deviation to the left on opening; x-rays show unilateral fracture, where would you expect the fracture:** A. Neck of the left condyle B. Neck of the right condyle C. Body of the left condyle D. Body or the right condyley

Description : A blow to the mandible resulted in deviation to the left on opening; x-rays show unilateral fracture, where would you expect the fracture:** A. Neck of the left condyle B. Neck of the right condyle C. Body of the left condyle D. Body or the right condyley

Last Answer : A. Neck of the left condyle

A 37 years-old patient presents with paroxysmal pain on the left eye that he thinks is related to his maxillary posterior teeth. The pain comes in recurrent bursts and is aggravated by stress and alcohol. Oral exam is negative. The probable diagnosis is: A. Migraine B. Cluster headache C. Trigeminal neuralgia D. Temporal neuritis

Description : A 37 years-old patient presents with paroxysmal pain on the left eye that he thinks is related to his maxillary posterior teeth. The pain comes in recurrent bursts and is aggravated by stress and ... diagnosis is: A. Migraine B. Cluster headache C. Trigeminal neuralgia D. Temporal neuritis

Last Answer : B. Cluster headache

A raised dot on X ray films is to: A. Orient exposure side B. Differentiate between left and right side C. Dip during developing

Description : A raised dot on X ray films is to: A. Orient exposure side B. Differentiate between left and right side C. Dip during developing

Last Answer : A. Orient exposure side

The area of the posterior palatal seal includes which of the following: A. [left][right] B. Hamular notch

Description : The area of the posterior palatal seal includes which of the following: A. [left][right] B. Hamular notch

Last Answer : B. Hamular notch

A young female patient presents with throbbing pain in the left lower posterior jaw with trismus and associated lymphadenopathy. What would be your diagnosis? A. Tumor B. Pericoronitis

Description : A young female patient presents with throbbing pain in the left lower posterior jaw with trismus and  associated lymphadenopathy. What would be your diagnosis?  A. Tumor  B. Pericoronitis 

Last Answer : B. Pericoronitis 

Blow to mandible causing fracture in molar’s right side region, you expect a second fracture of: A. Sub condylar of right side B. Sub-condylar of left side C. Fracture of symphysis

Description : Blow to mandible causing fracture in molar’s right side region, you expect a second fracture of: A. Sub condylar of right side B. Sub-condylar of left side C. Fracture of symphysis

Last Answer : B. Sub-condylar of left side

A patient who recently had a calculus removed from the kidney presented with radiolucent area in the left maxilla with clinical evidence of swelling. The disease that you would immediately suggest is,** M07 A. Diabetes B. Thyrotoxicosis C. Hyperparathyroidism D. Osteoporosis E. Adrenal insufficiency

Description : A patient who recently had a calculus removed from the kidney presented with radiolucent area in the left maxilla with clinical evidence of swelling. The disease that you would immediately suggest ... A. Diabetes B. Thyrotoxicosis C. Hyperparathyroidism D. Osteoporosis E. Adrenal insufficiency

Last Answer : C. Hyperparathyroidism

Patient received heavy blow to the right body of the mandible sustaining a fracture there. You should suspect a second fracture to be present in, A. Symphysis region B. Left body of the mandible C. Left sub-condylar region D. Right sub-condylar region

Description : Patient received heavy blow to the right body of the mandible sustaining a fracture there. You should suspect a second fracture to be present in, A. Symphysis region B. Left body of the mandible C. Left sub-condylar region D. Right sub-condylar region

Last Answer : C. Left sub-condylar region

A patient with long standing rheumatoid arthritis and a history of steroid therapy presents for multiple extractions. The dentist should consult the patient’s physician because: A. Patient is more susceptible to infection B. Patient may have a suppressed adrenal cortex C. Patient will need haematological evaluation

Description : A patient with long standing rheumatoid arthritis and a history of steroid therapy presents for multiple extractions. The dentist should consult the patient's physician because: A. Patient is more ... B. Patient may have a suppressed adrenal cortex C. Patient will need haematological evaluation

Last Answer : B. Patient may have a suppressed adrenal cortex

Can I put wax on what's left of the plant stem after clipping to keep the plant from dying?

Description : Can I put wax on what's left of the plant stem after clipping to keep the plant from dying?

Last Answer : Need Answer

Why did Ptolemy not need to be concerned about distortion from projections because his map was based on?

Description : Why did Ptolemy not need to be concerned about distortion from projections because his map was based on?

Last Answer : What is the answer ?

In regard to Benzodiazepines: a. Increases R.E.M. sleep. b. Has a hangover effects because of active metabolism. c. Includes carbamazepine. d. Can be used safely on children as it achieves reliable effects.

Description : In regard to Benzodiazepines: a. Increases R.E.M. sleep. b. Has a hangover effects because of active metabolism. c. Includes carbamazepine. d. Can be used safely on children as it achieves reliable effects.

Last Answer : b. Has a hangover effects because of active metabolism.

Ankylotic primary second molar in the mandible is not always a good space maintainer because of: a. Mesial inclination of the 1st permanent molar. b. It does not keep up with the rest of occlusion. c.Dull on percussion.

Description : Ankylotic primary second molar in the mandible is not always a good space maintainer because of: a. Mesial inclination of the 1st permanent molar. b. It does not keep up with the rest of occlusion. c.Dull on percussion.

Last Answer : b. It does not keep up with the rest of occlusion.

Which of the following statements concerning the use of radiography for children is incorrect? A. techniques are the same as those used in adults B. easier because of the smallness of the child’s mouth C. made difficult by the child’s nervousness and his tendency to gag D. helpful in overcoming some of these difficulties are consideratehandling of the child, the use of small size film and the use of ultra speed

Description : Which of the following statements concerning the use of radiography for children is incorrect? A. techniques are the same as those used in adults B. easier because of the smallness of the child' ... are consideratehandling of the child, the use of small size film and the use of ultra speed

Last Answer : B. easier because of the smallness of the child’s mouth

The hamular notch is important in full denture construction because it aids in the setting position of the artificial teeth A. First statement is true, but the reason given is false B. Both statements are true C. Both statements are untrue

Description : The hamular notch is important in full denture construction because it aids in the setting position of the artificial teeth A. First statement is true, but the reason given is false B. Both statements are true C. Both statements are untrue

Last Answer : A. First statement is true, but the reason given is false

What is TRUE about Benzodiazepine and diazepam in 5-10mg oral dose used for oral sedation in dentistry: A. Good analgesic effect if given 1 hour prior to dental sessions B. Would be reversed by flumazepil because it is a Benzodiazepam C. Post operative headache D. There is a profound amnesic action and no side affects

Description : What is TRUE about Benzodiazepine and diazepam in 5-10mg oral dose used for oral sedation in dentistry: A. Good analgesic effect if given 1 hour prior to dental sessions B. Would be reversed ... Benzodiazepam C. Post operative headache D. There is a profound amnesic action and no side affects

Last Answer : B. Would be reversed by flumazepil because it is a Benzodiazepam

Absence of clearly defined crystal lamina dura is because: A. Pathognomonic of periodontal disease B. Indicative of attachment loss C. Associated with periodontal pocket D. Commonly related to radiograph angulation

Description : Absence of clearly defined crystal lamina dura is because: A. Pathognomonic of periodontal disease B. Indicative of attachment loss C. Associated with periodontal pocket D. Commonly related to radiograph angulation

Last Answer : D. Commonly related to radiograph angulation

In regard to Benzodiazepines: A. Increases R.E.M. sleep B. Has a hangover effects because of active metabolism C. Includes carbamazepine D. Can be used safely on children as it achieves reliable effects

Description : In regard to Benzodiazepines: A. Increases R.E.M. sleep B. Has a hangover effects because of active metabolism C. Includes carbamazepine D. Can be used safely on children as it achieves reliable effects

Last Answer : B. Has a hangover effects because of active metabolism

In class II preparation it is difficult to place the gingival seat when preparation is extended too gingivally because the: A. Enamel rods are directed occlusally B. Marked cervical constriction

Description : In class II preparation it is difficult to place the gingival seat when preparation is extended too gingivally because the: A. Enamel rods are directed occlusally B. Marked cervical constriction

Last Answer : B. Marked cervical constriction

ariogenicity of Streptococcus mutans is because of the production of: A. Glucans B. Levans C. Fructans D. Sucrose

Description : ariogenicity of Streptococcus mutans is because of the production of: A. Glucans B. Levans C. Fructans D. Sucrose

Last Answer : A. Glucans

A patient is resistant to caries but has a periodontal disease. In this case, sucrose in diet is important because: A. Sucrose is greatly involved in plaque development B. S. mutans produces Levans frictions which are used by periodontal pathogens C. The streptococcus mutans cannot survive with a continual supply of sucrose D. Existing plaque must continue to get sucrose in order to grow

Description : A patient is resistant to caries but has a periodontal disease. In this case, sucrose in diet is important because: A. Sucrose is greatly involved in plaque development B. S. mutans produces ... with a continual supply of sucrose D. Existing plaque must continue to get sucrose in order to grow

Last Answer : A. Sucrose is greatly involved in plaque development

In patients with exposed root surfaces: A. Ask to use low abrasive dentifrices B. It is because of dental hypersensitivity

Description : In patients with exposed root surfaces: A. Ask to use low abrasive dentifrices B. It is because of dental hypersensitivity

Last Answer : A. Ask to use low abrasive dentifrices

After completing pulp extirpation, debridement and placing a dressing; apical periodontitis is because: A. Over instrumentation extending into periapical area B. Irritation from chemicals used C. Entrapped bacteria D. One or any combination of the above

Description : After completing pulp extirpation, debridement and placing a dressing; apical periodontitis is because: A. Over instrumentation extending into periapical area B. Irritation from chemicals used C. Entrapped bacteria D. One or any combination of the above

Last Answer : D. One or any combination of the above

Self polymerising acrylic resins differ from heat cured resins because they exhibit: A. Higher molecules weight B. Higher content of residual monomers

Description : Self polymerising acrylic resins differ from heat cured resins because they exhibit: A. Higher molecules weight B. Higher content of residual monomers

Last Answer : B. Higher content of residual monomers

The use of nickel chromium in base plate should be judiciously considered because: A. A significant number of females are allergic to nickel B. A significant number of female are allergic to chromium C. A significant number of males are allergic to nickel

Description : The use of nickel chromium in base plate should be judiciously considered because: A. A significant number of females are allergic to nickel B. A significant number of female are allergic to chromium C. A significant number of males are allergic to nickel

Last Answer : A. A significant number of females are allergic to nickel

High copper amalgam lasts longer than low copper amalgam because of:** A. Increased compressive strength B. Increased corrosion resistance C. High creep D. Increased tensile strength E. Decreased setting expansion

Description : High copper amalgam lasts longer than low copper amalgam because of:**  A. Increased compressive strength  B. Increased corrosion resistance  C. High creep  D. Increased tensile strength  E. Decreased setting expansion 

Last Answer : A. Increased compressive strength 

A 30 years-old male complains of painless swelling in the buccal mucosa. It has been present for about six months. He admits “playing with it”. He is concerned because this might represent cancer. The base is narrow; the most likely diagnosis is:

Description : A 30 years-old male complains of painless swelling in the buccal mucosa. It has been present for  about six months. He admits “playing with it”. He is concerned because this might represent  cancer. The base is narrow; the most likely diagnosis is: 

Last Answer : Irritation fibroma 

Nitrous Oxide (N2O) is not used alone as a general anaesthetic agent because of:** A. Difficulties in maintaining an adequate O2 concentration B. Adverse affects on liver C. Poor analgesics affects

Description : Nitrous Oxide (N2O) is not used alone as a general anaesthetic agent because of:** A. Difficulties in maintaining an adequate O2 concentration B. Adverse affects on liver C. Poor analgesics affects

Last Answer : C. Poor analgesics affects

.In an X ray the mesio buccal root of upper first molars is elongated because of: A. Mesio angular horizontal B. Too big vertical angulation C. Too small vertical angulation D. High angulation

Description : .In an X ray the mesio buccal root of upper first molars is elongated because of: A. Mesio angular horizontal B. Too big vertical angulation C. Too small vertical angulation D. High angulation

Last Answer : C. Too small vertical angulation