rp 290 autumn 00 key

RP - 290 Pre-Clinical Removable Prosthodontics

RP - 290 Pre-Clinical Removable ProsthodonticsNAME____________________

FINAL EXAMINATION AUTUMN 2000

DDS AND IDS CLASS OF 2002

STUDENT ID#______________

DR. BELINDA HEAD(KEY)

INSTRUCTIONS: Please print your name on each page of this examination and on the ScanTron card and enter your social security number on the ScanTron card. After you have completed the examination, return it and your answer card to the proctor. If your examination is marked in such a way that others around you can readily see such marks, your examination will not be accepted for credit.

GOOD LUCK!

1. The structure that influences the posterior lateral denture border, adjacent to the tuberosity, is:

A. Coronoid process.

B. Medial pterygoid.

C. Zygoma.

D. Buccal shelf.

E. Temporalis.

2. Which of the following is covered with a thick layer of resilient keratinized mucosa and therefore is unlikely to create a pivot point or sore spot for the denture?

A. Torus palatinus.

B. Zygoma.

C. Mylohyoid ridge.

D. Canine eminence.

E. None of the above.

3. When a patient licks the upper lip with the tongue during border molding, which denture periphery is affected?

A. Upper-anterior.

B. Upper-posterior seal.

C. Lower-labial.

D. Lower-lingual.

E. Lower-buccal shelf.

RP - 290 Pre-Clinical Removable ProsthodonticsNAME_____________________

FINAL EXAMINATION

STUDENT ID#_______________

4. The _____________ is the meeting of the upper and lower lips.

A. commissure

B. fornix

C. modiolus

D. philtrum

E. vermillion border

5. What problem may be caused by leaving dentures in the mouth overnight?

A. Patient may swallow them.

B. Destruction of bone due to pressure disruption of alveolar circulation.

C. Vertical dimension increases as dentures swell.

D. Xerostomia due to dentures sealing off salivary glands.

E. Snoring caused by dentures.

6. A two-impression technique is recommended for denture construction. Alginate in a stock tray is too inaccurate in its _____________ to serve as a final impression.

A. Displacement of hard palate.

B. Peripheral extensions.

C. Dimensional stability.

D. Hydrophobic property.

E. Lack of adhesion to the tray.

7. Which preliminary model is considered most accurate?

A. Single mix of stone poured into impression and forms base at same time.

B. Separate from impression before exothermic reaction occurs in stone.

C. Use 25% more water throughout.

D. "Gravity set" of first stone layer in impression; second stone mix forms base.

E. All of the above are equally accurate.

8. Why is the individualized impression tray for an edentulous patient trimmed 2-4 mm short of the vestibule?

A. Because alginate impressions are usually under-extended.

B. Allow room for air to go in and escape from underside.

C. Without teeth, tissue distorts to allow tray to seat fully in vestibule.

D. To make room for border molding procedures.

E. The final denture must be short of the vestibule.


FINAL EXAMINATION

STUDENT ID#_______________

9. Select the denture border that is influenced by the following anatomic features:

Masseter

A. Maxillary lateral border.

B. Mandibular anterior lingual.

C. Mandibular posterior lateral.

D. Mandibular anterior labial.

E. Mandibular posterior lingual.

10. Select the denture border that is influenced by the following anatomic features:

Mylohyoid

A. Mandibular anterior labial.

B. Maxillary posterior lateral.

C. Maxillary labial.

D. Mandibular anterior lingual.

E. Mandibular posterior lingual.

11. The material used at UOP for the final impression in an edentulous patient is:

A. Irreversible hydrocolloid.

B. Poly vinyl siloxane.

C. Poly sulfide.

D. Impression wax.

E. Triad sheet.

12. For a final impression in an edentulous patient, when is the material considered "set"?

A. 100% recovery from indentation.

B. Four minutes after beginning mix.

C. When it is elastic.

D. When it is rigid.

E. Never sets.


FINAL EXAMINATION

STUDENT ID#______________

13. What problem will be encountered if the border molding material is overheated?

A. Material will not flow away from tissue pressure.

B. Material will not adhere to the tray.

C. Burn the patient.

D. Weaken the tray.

E. Impression will not adhere to border molding.

14. Refer to the following list of steps in border molding:

What is the last step?

A. Temper.

B. Place tray in mouth to border mold.

C. Chill.

D. Place compound on tray.

E. Flame.

15. Of these procedures following denture processing, which is accomplished first?

A. Remove denture from cast.

B. Polish acrylic.

C. Lab remount.

D. Clinical remount.

E. Inspect internal aspect of dentures.

16. A void or hole in the master cast will appear as a _____________ in the processed denture.

A. void or hole

B. nodule

C. crack

D. porosity

E. normal contour


FINAL EXAMINATION

STUDENT ID#_______________

17. Which statement is true concerning denture polishing?

A. A series of progressively finer abrasives are used to produce a smooth and glossy surface without changing the denture contours.

B. A single wheel is used to apply all abrasives.

C. The polishing procedure is intended to reshape the external contours of the

denture into a series of concavities.

D. The oral mucosa is sturdy and is not affected by rough denture surfaces.

E. All of the above are true.

18. Greatest bone resorption occurs when pressure is applied on:

A. Cortical plate.

B. Mature bone.

C. Buccal shelf.

D. Natural teeth.

E. Healing surgical sites where cortex and periosteum are absent.

19. Which statement regarding residual ridge resorption (RRR) is correct?

A. Well-constructed dentures prevent RRR.

B. More bone loss is seen in denture-bearing mandible.

C. Stimulus to mucosa of an isolated edentulous site with adjacent teeth

present is similar to that for the edentulous mouth.

D. When a denture is not worn, disuse atrophy results in rapid loss of bone.

E. All of the above are correct.

20. Replacement of a missing nose with a silicone prosthesis is an example of:

A. Poor health care service.

B. An intra-oral prosthesis.

C. A palatal obturator.

D. An extraoral prosthesis.

E. Muscle grafting.


FINAL EXAMINATION

STUDENT ID#_______________

21. The following features positively affect retention of a maxillary complete denture:

A. atmospheric pressure, adhesion, cohesion only.

B. adhesion, cohesion only.

C. cohesion, mechanical undercuts, surfactant.

D. mechanical undercuts, atmospheric pressure, adhesion, cohesion.

E. adhesion, cohesion, gravity.

22. The concept of a "balanced occlusion" suggests that:

A. There are points of contact all around the maxillary and mandibular arches

in centric relation only.

B. There are points of contact all around the maxillary and mandibular arches in all functional movements.

C. There are points of contact all around the maxillary and mandibular arches in protrusion only.

D. There are no balancing (non-working) contacts in any lateral excursions.

E. The maxillary and mandibular dentures guide off the cuspids only.

23. During the denture delivery appointment the clinician may use disclosing wax. According to Heartwell & Rahn this wax is used for the following purpose:

A. To evaluate high spots in the occlusion.

B. To evaluate vertical dimension of occlusion.

C. To evaluate overextension of the denture borders.

D. To evaluate underextension of the denture borders.

E. To evaluate the posterior palatal seal.

24. In a balanced occlusion the mesio-palatal cusp of #14 travels in which direction when the mandible moves to the patient's right side?

A. Buccally across lingual cusp of #3.

B. Disto-Buccally across Disto-Buccal cusp of #19.

C. Directly posteriorly along central fissure of #19.

D. Anter-Medially across lingual cusps of #19.

E. Does not remain in contact with #19.


FINAL EXAMINATION

STUDENT ID#_______________

25. In a balanced occlusion the Mesio-Buccal cusp of #2 travels in which direction when the mandible moves to the patient's right side?

A. Lingually across buccal groove of #30.

B. Buccally across buccal groove #31.

C. Posteriorly along central groove #31.

D. Does not maintain contact with #19.

E. Lingually across the buccal groove of #31.

26. Generally, sore areas created by dentures are more acute when the mucosa and connective tissue overlying the bone is thin. Potential sore areas on the mandible include: (choose the best answer).

A. Genial tubercles, mylohyoid ridge and tuberosities.

B. External oblique ridge, mylohyoid ridge and genial tubercles.

C. External oblique ridge, genial tubercles and palatal suture.

D. Fovea palatini, mylohyoid ridge and tuberosities.

E. Mandibular tori, genial tubercles, external oblique ridge and mylohyoid ridge.

27. The centric relation records appointment generally involves which steps all being completed on one day?

A. Preliminary impression, centric relation record, wax trial.

B. Final impression, CR record and VDO.

C. CR record, VDO, shade and mold selection, facebow transfer.

D. CR record, wax trial final impression.

E. Final impression and shade selection.

28. Which statement concerning centric relation is true?

A. Maxillomandibular relationship with condyles articulating with thinnest avascular portion of articular disks with complex in anterior-superior position against slopes of articular eminences.

B. Reference point that can be verified and repeated.

C. Starting point for developing occlusion.

D. Functional position.

E. All of the above.


FINAL EXAMINATION

STUDENT ID#_______________

29. In an esthetic maxillary tooth arrangement, the following IS true:

A. The cuspid is shorter than the centrals.

B. The long axes of the six maxillary anteriors generally diverge away from the midline.

C. The laterals are often a lighter shade than the centrals.

D. The long axes of the six maxillary anteriors generally converge towards the midline.

E. The gingival heights are not critical.

30. In centric relation, the relationship between the maxillary and mandibular incisors (assuming Class I skeletal relationship) in a denture arrangement is:

A. Contact edge-to-edge.

B. Contact in incisal 1/3.

C. Contact in middle 1/3.

D. Contact in gingival 1/3.

E. Do not contact in centric relation.

31. At the wax denture try-in appointment, you observe that the centric occlusion in the mouth is completely different from that on the articulator. What causes this?

A. Acceptable finding at this appointment.

B. Impression incorrect.

C. Occlusal record or mounting incorrect.

D. Cusp angulation incorrect for this patient.

32. In the question above, what should you do next?

A. Nothing; proceed with processing.

B. Retake impression.

C. Remount.

D. Set different posterior teeth.


FINAL EXAMINATION

STUDENT ID#_______________

33. Masseter muscle will have an effect on the final denture border for which area of the denture?

A. Lingual aspect of mandibular denture.

B. Anterior labial aspect of mandibular denture.

C. Posterior lateral aspect of mandibular denture.

D. Cuspid region of the maxillary denture.

E. Masseter will have NO effect on the denture borders.

34. When the vertical height of an edentulous mandible measures10 mm or less at its narrowest part in a panoramic x-ray, it is termed ________________.

A. Class I

B. Class II

C. Class III

D. Class IV

35. Which of the following removable prosthodontic principles is assisted by reducing the width and length of the posterior artificial teeth?

A. Maximum tissue coverage.

B. Force distribution.

C. Reduce maximum loading.

D. Rest.

E. Denture stability and retention.

36. Prior to alginate preliminary impression, how is saliva reduced and contact improved between tissue and the impression:

A. Rinse mouth with mouthwash.

B. Use tray adhesive.

C. Mix more water into alginate.

D. Mix less water into alginate.

E. Medicate patient with probanthine.


FINAL EXAMINATION

STUDENT ID#_______________


What is the first step in the border molding sequence?

A. Temper.


C. Chill.


E. Flame.

38. "Underprocessing" a denture has what effect on residual monomer (when compared with normal processing)?

A. Eliminates residual monomer.

B. Reduced residual monomer.

C. Increased residual monomer.

D. Boils and creates voids.

E. No effect.

39. Which of the following affects the accuracy (dimensions and fit) of a denture?

A. Polymerization shrinkage.

B. Cooling after processing.

C. Water content in denture base.

D. Polishing temperature.


40. In maxillofacial prosthetics a midfacial defect is often surgically lined with which of the following tissues:

A. Respiratory epithelium.

B. Hair bearing skin.

C. Non hairbearing skin.

D. Nasal mucosa.

E. Oral mucosa.


FINAL EXAMINATION

STUDENT ID#_______________

41. The neutrocentric concept of occlusion maintains that:

A. Monoplane teeth (0 degrees) are set with an antero-posterior compensation curve.

B. Monoplane teeth (0 degrees) are set with a Bucco-Lingual compensating curve.

C. 10 degrees teeth are set on a plane indicated by the condylar guidance.

D. Monoplane teeth (0 degrees) are set on a flat plane parallel with the plane of occlusion.

E. Monoplane teeth (0 degrees) are set on a plane convergent with Camper's plane.

42. Healing of bony sockets after extractions follows the same process as the repair of bone fractures. The following phases occur:

1. Gradual replacement of young connective tissues with immature bone.

2. Primary clot formation.

3. Reconstruction by resorptive activity on the one side and replacement of immature bone with mature bone on the other.

4. Organization of the clot by proliferating immature connective tissue. In which order do these processes occur?

A. 1,2,3,4.

B. 2,3,4,1.

C. 2,4,1,3.

D. 4,3,2,1.

E. 2,1,4,3.

43. A patient has a chronically tender, knife-edge mandibular residual ridge. In fabricating a complete denture for this patient, a dentist should consider which of the following?

A. Maximal extension of the denture -- to distribute forces of occlusion over a greater area.

B. Minimal extension of the denture -- to limit tenderness to a smaller area.

C. Decreased occlusal vertical dimension -- to decrease biting forces.

D. A broad occlusal table -- to provide a firmer contact in eccentric jaw relations.


FINAL EXAMINATION

STUDENT ID#_______________

44. A patient presents for try-in evaluation of balanced occlusion of complete maxillary and mandibular dentures. A dentist notes that protrusive excursion results in separation of posterior teeth. This dentist can best correct this problem by:

A. Changing the condylar inclination.

B. Increasing the incisal guidance.

C. Increasing the compensating curve.

D. Using a flat plane cusp for the posterior teeth.

45. When determining V.D.O.in an edentulous patient, the dentist should:

A. Determine V.D.R. and add 2-4 mm.

B. Determine V.D.R. and subtract 2-4 mm.

C. Always reproduce the V.D.O. of the patient's old dentures.

D. Always add 1-2 mm to the V.D.O. of the old dentures to account for tooth wear over time.

E. Ask the patient which V.D.O. is comfortable.

46. During the recording of centric relation for complete dentures, the mandible is manipulated by the dentist:

A. In a protrusive position.

B. Through lateral excursions.

C. Antero-superiorly, into a hinge closure.

D. Into centric occlusion.

E. By use of the facebow.

47. Which cusp incline creates balancing or non-working function in artificial tooth #3?

A. Buccal slope of buccal cusps.

B. Lingual slope of buccal cusps.

C. Mesial slopes of all cusps.

D. Buccal slope of lingual cusps.

E. Lingual slope of lingual cusps.


FINAL EXAMINATION

STUDENT ID#_______________

On the following five items:

Match the tooth surface/inclines with the corresponding function of complete dentures.

48. Buccal upper, lingual lower. (B) 49. Lingual upper, buccal lower. ( C )

50. Mesial upper, distal lower. ( C ) 51. Cusp-fossa, cusp-marginal ridge. (A)

52. Cingulum of maxillary anterior teeth. (E)

A. Centric occlusion.

B. Working environment.

C. Balancing movement.

D. Protrusive movement.

E. Non-functional.

53. The most widely used denture base material is:

A. Polyethylene.

B. Composite resin.

C. Epoxy.

D. Polymethyl methacrylate.

E. Polyvinyl siloxane.


What is the most important step for ensuring that the compound is warm enough to record the vestibule?

A. Temper.


C. Chill.


E. Flame.


FINAL EXAMINATION

STUDENT ID#_______________

55. When a trial denture is invested in a flask, several layers of stone are flowed around the wax and teeth. What is placed over each layer of stone before the next layer is poured?

A. Acrylic.

B. Separator.

C. Adhesive.

D. Stone.

E. Nothing.

56. The final layer of stone poured into a flask, to complete the process of denture investment, is called _______________.

A. Cap

B. Front

C. Base

D. Occluding layer

E. End

57. The normal "curing" cycle for polymethyl methacrylate denture base materials is ______________ hour(s) at 160 degrees F.

A. 1/2

B. 1

C. 1 1/2

D. 9

E. 24

58. "When curing a complete denture, the amount of heat must be controlled while processing, as the reaction is ______________ and becomes very rapid at temperatures between 140 degrees and 160 degrees F."

A. unstable

B. exothermic

C. catalyzed

D. polymerized

E. terminated


FINAL EXAMINATION

STUDENT ID#_______________

59. The remount jig is used to:

A. Reposition the upper and lower dentures in centric relation.

B. Eliminate the need for remounting.

C.Improve peripheral seal.

D. Reduce acrylic shrinkage.

E. Preserve the facebow mounting of the maxillary cast.

60. The original mounting rings and stone mountings are used to reposition the casts during the laboratory remount. Why are the stone mountings not useful during the clinical remount.

A. The articulation changes.

B. The original mounting was inaccurate.

C. The master casts are usually destroyed when the dentures are removed from them.

D. They shrink after processing.

E. Ring is required for remount jig.

61. During laboratory remount, after placing the casts on the mounting stone, you observe that the incisal guide pin touches the table and all posterior teeth are in centric contact. What should you do now?

A. Adjust cusp tips only.

B. Adjust fossae and marginal ridges only.

C. Adjust all contacts.

D. Adjust lower contacts only.

E. No adjustment necessary; proceed with remount jig.

62. What is the use of pumice in the remount cast procedure?

A. Mixed with stone to give an accurate cast.

B. Incorporated into mounting stone during articulation.

C. Block out ridge area of denture so that remount cast will release from denture.

D. Used to polish master cast so that denture will fit.

E. Not used in remount casts.


FINAL EXAMINATION

STUDENT ID#_______________

63. What is the purpose of the laboratory remount?

A. To alter mounting if occlusion is unacceptable at try-in appointment.

B. To correct laboratory processing errors.

C. To eliminate lateral and protrusive function on posterior teeth.

D. To optimize occlusion at the time of denture insertion.


64. What is the purpose of the clinical remount?

A. To alter mounting if occlusion is unacceptable at try-in appointment.

B. To correct laboratory processing errors.

C. To eliminate lateral and protrusive function on posterior teeth.

D. To optimize occlusion at the time of denture insertion.


65. What problem can be created by use of excess pressure or excess rotational speed during denture polishing?

A. Overpolishing.

B. Polishing wheel can grab and throw the denture.

C. Denture flanges can be thinned and shortened.

D. Heat, causing warpage.


66. What material is used to disclose pressure between the tissue surface of a denture and the patients soft tissue?

A. Rubber base impression material.

B. Aluwax.

C. Sticky wax.

D. Lynal.

E. Pressure-indicating paste.

67. Which feature of complete dentures is most responsible for the difficulty of making intra-oral occlusal adjustments?

A. Resilient soft tissue permits shifting of dentures.

B. They are removable.

C. Too many centric contacts.

D. Patients are not reliable articulators.

E. No problems-dentures should always be adjusted in the mouth.


FINAL EXAMINATION

STUDENT ID#_______________

68. When adjusting working side functional contacts in a class I denture, which rule applies?

A. Canine guidance.

B. Anterior guidance.

C. BULL.

D. MUDL.

E. DUML.

69. During the clinical remount, an interocclusal wax record is made with the dentures in the mouth. Why is unacceptable to have the teeth penetrate through the record?

A. Holes make the wax inaccurate.

B. Remounting and equilibration always involves gradual opening of VDO.

C. The patient may be unable to open afterward.

D. Acrylic denture teeth should not be covered with wax.

E. Premature tooth contact can cause shifting of the mandible or the dentures.

70. Which of the following accelerates the set of a denture repair material?

A. Light.

B. Positive pressure.

C. Heat.

D. Negative pressure.

E. Cold.

71. Denture repair materials harden by a(n) _________________ process.

A. Condensation

B. Polymerization

C. Duplication

D. Evaporation

E. Forging


FINAL EXAMINATION

STUDENT ID#______________

72. When replacing a broken artificial tooth in a denture, the new tooth has a hole placed along its long axis for retention of the repair material. The hole is called a ____________.

A. Null

B. Rhombic

C. Retainer

D. Retention void

E. Diatoric

73. Which of the following is the most important to evaluate when returning a denture to a patient, when a broken tooth has been repaired?

A. Blood pressure.

B. Vertical dimension.

C. Tissue fit.

D. Occlusal contacts.

E. Speech.

74. Does an immediate denture reduce any post-operative complications?

A. Less pain.

B. Salivation stops.

C. Local anesthesia is more profound and lasts longer.

D. Reduces bleeding; protects sockets.

E. No, it usually increases complications.

75. An immediate denture is usually permanently relined or remade ______________ post-extraction.

A. one day

B. one week

C. one month

D. two months

E. 3-6 months


FINAL EXAMINATION

STUDENT ID#_______________

76. What is the hazard of maintaining teeth with mobility 3 during immediate denture fabrication?

A. Make preliminary impression inaccurate.

B. May be extracted by impression.

C. Interfere with record base placement in the mouth.

D. Cannot be anesthetized at insertion appointment.

E. Difficult to extract at insertion appointment.

77. During the centric relation record appointment for an immediate denture, the patient can close into softened wax until the natural teeth touch, as long as.......

A. vertical dimension of the natural teeth is correct.

B. there is 2-4 mm freeway space between the teeth.

C. there is no CR-CO deflection on the natural teeth.

D. the natural teeth are not mobile.

E. All of the above must be true.

78. If the immediate denture master casts have been articulated at VDO of 65 mm (nose-to-chin measurement), the VDO of the completed immediate dentures will be _______________ at the insertion appointment.

A. 1 mm more

B. 2-4 mm more

C. the same

D. 2-4 mm less

E. 1 mm less

79. How are anterior teeth selected for an immediate denture?

A. Usually 42 F.

B. Measure the available space canine-to-canine.

C. Match existing tooth form and size.

D. Select posteriors first, then corresponding anterior mold.

E. The patient should select the mold.


FINAL EXAMINATION

STUDENT ID#______________

80. During which laboratory interval (between appointments) are the anterior teeth arranged for an immediate denture?

A. After impression appointment-before occlusal records appointment.

B. After occlusal records appointment-before try-in appointment.

C. After try-in appointment-before denture insertion appointment.

D. Before first post-insertion adjustment.

E. After first post-insertion adjustment.

81. The standard of care is to see the immediate denture patient for the first post-insertion adjustment no later than ____________ after the extraction/insertion appointment.

A. 1 hour

B. 8 hours

C. 24 hours

D. 1 week

E. 1 month

82. Which 18th century dentist is considered the "Father of modern dentistry"?

A. Pierre Fauchard.

B. Arthur Dugoni.

C. G. V. Black.

D. Paul Revere.

E. George Washington.

83. The requirements of a complete denture include:

A. Restoration of masticatory efficiency within realistic limits.

B. Harmony with functions of speech, respiration and deglutition.

C. Esthetic acceptability.

D. Preservation of the supporting tissues.



FINAL EXAMINATION

STUDENT ID#_______________

84. _______________ was the first widely used polymerizing denture base material. Processing involved heat and chemical conversion of natural latex into a hard, durable material.

A. Ivory

B. Wood

C. Porcelain

D. Vulcanite

E. Gold Alloy

85. Pure poly (methyl methacrylate) tends to craze when subjected to cycles of immersion in solvents such as alcohol. ____________ is a process of joining individual polymer chains, which effectively eliminates crazing as a problem in

modern denture base resins.

A. Cross linking

B. Exothermia

C. Notching

D. Water sorption

E. Polishing

Match the acrylic resin materials with the correct description:

86.Monomer (B)

87.Hot water bath (E) 88.Plasticizer ( C )

89.Pigment and fiber (A) A.Inert additive that affects optical properties.

B. 21% shrinkage when it polymerizes.

C. Improves handling and molding properties of acrylic resin dough.

D. Increases final product hardness to that of dental enamel.

E. Accelerator for denture base polymerization.

90. In which area of a denture is a complete fracture most likely to initiate?

A. Where teeth are embedded in denture base.

B. Deep labial notch.

C. Area of heaviest chewing load.

D. Thickest area of the palate.

E. Postdam.


FINAL EXAMINATION

STUDENT ID#_______________

91. A patient has been wearing a set of acrylic dentures for 20 years without any problems. One week after receiving a new set of acrylic dentures at your office,

the patient returns complaining of a generalized burning mouth. What could

cause this?

A. Acrylic resin base has not absorbed enough water yet.

B. Heat of polymerization remains in the resin.

C. Patient is definitely allergic to acrylic resin.

D. Laboratory undercured the denture base, resulting in excess residual monomer.

92. If an extremely thick denture - for instance, an obturator area is cured according to the usual temperature cycle, the thick area becomes porous. Why?

A. Delayed and slower polymerization rate.

B. Thick areas will expand instead of shrink.

C. Uncontrolled exothermic reaction causes expansion and boiling of unreacted monomer.

D. Air remains trapped in these areas after mixing of powder and liquid.

93. In immediate denture prosthetics, for a conventional immediate denture the patient usually:

A. Undergoes one surgical phase removing all teeth at once.

B. Undergoes two surgical phases, removing maxillary teeth first then mandibular teeth later.

C. Undergoes two surgical phases, removing anterior teeth first and maintaining posterior teeth as occlusal stops until the second surgical phase.

D. Undergoes two surgical phases, removing posterior teeth first and anterior teeth second.

E. The patient does not undergo any extractions, all teeth are domed over and used as overdenture abutments.


FINAL EXAMINATION

STUDENT ID#_______________

94. A few months after immediate denture treatment patients often require a reline. Why?

A. The osseous structures remodel and resorb causing the dentures to appear to be "loose".

B. The supporting tissues swell and the dentures become "tight".

C. The patient always prefers a soft lining.

D. The denture teeth "wear" and Vertical Dimension of Occlusion (VDO) is lost.

E. The reline procedure allows the dentist to change the tooth arrangement if the patient does not like it.

95. A postdam is carved into the master cast for the maxillary complete denture. Why?

A. To create pressure across the midline at the junction of the hard and soft palates.

B. To create a finish line for the laboratory technician.

C. To compensate for poor tissue health in some patients.

D. To compensate for acrylic shrinkage during denture processing.

E. To provide extra thickness of acrylic for polishing.

96. The conventional mandibular complete denture is retained in the mouth by:

A. Peripheral seal.

B. Gravity.

C. Adhesive.

D. Neuromuscular control.

E. Titanium implants.

97. During the centric relation records appointment for a complete denture patient it is important to:

A. Make sure the acrylic baseplates contact posteriorly.

B. Make sure only "dead soft" aluwax attached to the mandibular rim touches the pink wax of the maxillary rim.

C. Make sure the patient is standing up.

D. Make sure the rims are not stabilized by the dentist.

E. Make sure the patient has swallowed.


FINAL EXAMINATION

STUDENT ID#_______________

98. During the centric relation records appointment for a complete denture patient it is important to:

A. Check the record at least once.

B. Check the record at least three times.

C. Not necessary to check the record.

D. Make the record at an increased VDO since denture teeth always "wear".

E. Make a record at a reduced VDO.

99. Which of the following is not contained within the retromolar pad?

A. Temporal tendon.

B. Buccinator attachment.

C. Pterygomandibular raphe.

D. Zygomatic process.

100. In a restorative problem involving all teeth in the mouth, the protrusive condylar path inclination has a primary influence on the:

A. Incisal guidance.

B. Anterior teeth only.

C. Mesial inclines of the mandibular cusps.

D. Mesial inclines of the maxillary cusps.

END OF EXAMINATION

HAVE A GREAT HOLIDAY!

RP290AU0 TEST KEY

Answer Bank # QT Fig Diff Disc Category 1 Cat

---------------------------------------------------------------

1. A RP290 2 MC 0 Removable Ana

2. E RP290 3 MC 0 Removable Ana

3. D RP290 6 MC 0 Removable Ana

4. A RP290 13 MC 0 Removable Ana

5. B RP290 14 MC 0 Removable Den


7. D RP290 20 MC 0 Removable Pre

8. D RP290 23 MC 0 Removable Pre

9. C RP290 28 MC 0 Removable Ana


11. C RP290 33 MC 0 Removable Fin

12. A RP290 35 MC 0 Removable



15. C RP290 53 MC 0 Removable Den


17. A RP290 59 MC 0 Removable Den

18. E RP290 80 MC 0 Removable Imm


20. D RP290 106 MC 0 Removable Max

21. D RP290 119 MC 0 Removable Den

22. B RP290 128 MC 0 Removable Occ


24. B RP290 239 MC 0 Removable

25. E RP290 240 MC 0 Removable


27. C RP290 146 MC 0 Removable Rec


29. D RP290 219 MC 0 Removable


31. C RP290 236 MC 0 Removable



34. D RP290 345 MC 0 Removable Ede


36. A RP290 24 MC 0 Removable Pre

37. B RP290 40 MC 0 Removable Fin


39. E RP290 52 MC 0 Removable Den

40. C RP290 123 MC 0 Removable Max

41. D RP290 127 MC 0 Removable Occ

42. C RP290 140 MC 0 Removable Phy


44. C RP290 171 MC 0 Removable Occ




48. ABCE RP290 215 MC 0 Removable


50. E RP290 42 MC 0 Removable Fin





55. E RP290 54 MC 0 Removable Rem

56. C RP290 55 MC 0 Removable Rem

57. E RP290 56 MC 0 Removable Rem

58. C RP290 60 MC 0 Removable Rem

59. B RP290 61 MC 0 Removable Rem

60. D RP290 62 MC 0 Removable Rem


62. E RP290 65 MC 0 Den

63. A RP290 67 MC 0 Removable Rem


65. E RP290 70 MC 0 Removable Occ


67. B RP290 73 MC 0 Removable Rel

68. E RP290 74 MC 0 Removable Rel

69. D RP290 75 MC 0 Removable Rel

70. D RP290 78 MC 0 Removable Imm


72. B RP290 85 MC 0 Removable Imm


74. C RP290 90 MC 0 Removable Imm




78. A RP290 104 MC 0 Removable His



81. A RP290 242 MC 0 Removable

82. RP290 243 MC 0 Removable




86. D RP290 134 MC 0 Removable Imm

87. A RP290 135 MC 0 Removable Imm


89. D RP290 142 MC 0 Removable Phy

90. B RP290 144 MC 0 Removable Rec

91. B RP290 145 MC 0 Removable Rec

92. D RP290 159 MC 0 Removable Ana


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rp 290 autumn 00 key

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