FDP, Removable, Implants

Jomana Badran

Pages 54-80

Page 594. Occlusal (night) guards are used to A. treat bruxism.B. reduce pocket formation. C. prevent pulpitis.D. permit eruption or elongation of teeth.

The occlusal splint has some possible advantages for severebruxers. Coverage of all teeth in one arch has the effectof diminishing the mechanoreceptive response in the individualteeth that are covered by the splint. The splint coveragemay also prevent the minute rebound effect from occurringin teeth that have been intruded. This improvement instability may better preserve the perfected relationship thatis accomplished at equilibration.

Page 337 Functional Occlusion

Page 646. A patient with bruxism is likely to demonstrate

A. radiographic evidence of the widening of the periodontal ligament.B. increased mobility of teeth.C. premature wear of occlusal surfaces.D. TMJ discomfort.E. All of the above.

Fig. 7-1 When the masticatory system is overloaded, avariety of structures can reveal breakdown leading to symptoms.Some of the more common symptoms are (a) tooth wear, (b) pulpitis, (c) tooth mobility, (d) masticatory musclepain, (e) temporomandibular joint pain, (f) ear pain, and(g) headache pain.

Page 139Management of TMJ disorder

Page 6410. A clenching habit may be a factor in

 A. suprabony periodontal pocket formation. B. marginal gingivitis.C. increased tooth mobility.D. generalized recession.

Page 139Management of TMJ disorder

Page 693. While the teeth are set in wax, dentures are tried in to

A. verify the maxillomandibular records.B. verify the vertical dimension of occlusion. C. evaluate esthetics.D.All of the above.

The Try-in AppointmentSECTION I: PERFECTION ANDVERIFICATION OF JAW RELATIONRECORDS which include VERIFYING THE VERTICAL DIMENSION and VERIFYING CENTRIC RELATION SECTION II: ECCENTRIC JAWRELATION RECORDS, ARTICULATORAND CAST ADJUSTMENT,ESTABLISHMENT OF THE POSTERIORPALATAL SEAL  SECTION III: CREATING FACIAL ANDFUNCTIONAL HARMONY WITHANTERIOR TEETH 

Page 329Prosthodontics treatment of edentulous patient

Page 701. After cementation of a fixed bridge, the patient should be advised to

1. avoid hot liquids.2. stimulate the gingival tissue with massage.3. use dental floss under the pontic.4. return for periodic examination.5. avoid sticky foods.A.(1) (2) (3)B.(1) (3) (5) C.(1) (4) (5) D.(2) (3) (4) E.(2) (4) (5)Postinsertion HygieneAfter the fixed partial denture iscemented, teach the patient appropriate technique(s)that can be mastered. Motivate the individual to practicegood hygiene around and under the pontic with dentalfloss (Fig 26-8), interproximal brushes (Fig 26-9), or pipecleaners.   Page 478 Fundamental of fixed prosthodontics

4.A fixed bridge pontic should1. restore tooth function.2. reduce thermal conductivity.3. be biologically acceptable.4. reduce galvanic reactions between abutments and other restorations.5. restore aesthetics.

A. (1) (2) (3) B. (1) (3) (5) C. (1) (3) (4) D. (2) (3) (4) Pontics designed for placement in the appearancezone must produce the illusion ofbeing teeth, esthetically, without compromising clean ability. Those pontics placed in the nonappearance zone(usually mandibular posterior replacements) are there torestore function and prevent the drifting of teeth. Sinceesthetics is usually a minor consideration in this area ofthe mouth, it may not be necessary to utilize materials orcontours that suggest the presence of a tooth.

Page 479 and 485Fundamental of fixed prosthodontics

Page 712. In treatment planning for a fixed bridge, thenecessary clinical data should include

1. an assessment of any discrepancy between centric occlusion and centric relation.2. the type of impression materials to be used. 3. an evaluation of the forces of mastication.4. the aesthetic considerations.

 A. (1) (2) (3) B. (1) (3) (4) C. (1) and (4) D. (2) and (4) E. (4) only

3. In the design of a removable partial denture, guiding planes are made

  A. parallel to the long axis of the tooth. B. parallel to the path of insertion.C. at a right angle to the occlusal plane.D.at a right angle to the major connector.

All proximal abutment surfaces that are to serve asguiding planes for the removable partial dentureshould be prepared so that they will be made asnearly parallel as possible to the path of placement

Page 245 McCracken

4. Rests on terminal abutment teeth for a cast metal removable partial denture provide

A. primary retention.B. indirect retention.C. occlusal force transmission.D. lateral force transmission

5. For a removable partial denture, a metal base is preferred to an acrylic base because metal is

A. more hygienic.B. stronger.C. less irritating.D. a better thermal conductor. E. All

of the above.

7. Which of the following should be checked first when a cast gold crown that fits on its die cannot be seated on its abutment?

A. The occlusal contacts.B. The taper of the preparation.C. The proximal contacts.D. The impression used to pour the cast.

Page 746. The crownçroot ratio is 1. the comparison of the length of root retained in bone to the amount of tooth external to it.2. an important factor in abutment tooth selection.3. determined from radiographs.4. determined during surveying of the

diagnostic cast.  A. (1) (2) (4) B. (1) (2) (3) C. (1) (3) (4)D. All of the above.E. None of the above.

   This ratio is a measure of the length of tooth occlusal tothe alveolar crest of bone compared with the length ofroot embedded in the bone. As the level of the alveolarbone moves apically, the lever arm of that portion out ofbone increases, and the chance for harmful lateral forcesis increased. The optimum crown-root ratio for a tooth tobe utilized as a fixed partial denture abutment is 2:3. Aratio of 1 • 1 is the minimum ratio that is acceptable for aprospective abutment under normal circumstances

Page 91 Fundamental of fixed prosthodontics

3. A removable partial denture rest should be placed on the lingual surface of a canine rather than on the incisal surface because

A. less leverage is exerted against the tooth by the rest.B. the enamel is thicker on the lingual surface.visibility and access are better.C. the cingulum of the canine provides aD.natural recess.

A lingual rest is preferable to an incisal rest,because it is placed nearer the horizontal axis ofrotation (tipping axis) of the abutment and thereforewill have less tendency to tip the tooth. In addition,lingual rests are more esthetically acceptable thanare incisal rests.

Page 77 McCrccen

7. In an edentulous maxilla, the direction of resorption of the alveolar ridge is

 

A. upward and palatally. B. upward and facially.C. uniform in all directions.D. upward only.

Page 751.A metal in the wrought condition differs from the same metal in the cast condition in that

A. the grains are deformed and elongated. B. the yield strength and hardness are increased.C. if heated sufficiently, recrystallization can occur.D. All of the above.

  Having been formedby being drawn into a wire, the wrought-wire clasparm has toughness exceeding that of a cast clasp arm.The tensile strength of a wrought structure is at least25% greater than that of the cast alloy from which itwas made. It may therefore be used in smaller diametersto provide greater flexibility without fatigue andultimate fracture.

Page 91 Mccracken

2. Dental porcelain has

1. low compressive strength.2. high hardness.3. high tensile strength.4. low impact strength.  A.(1) (2) (3)B.(1) and (3)C.(2) and (4) D.(4) onlyE. All of the above.

3. After processing, complete dentures on the original stone casts are rearticulated in order to correct occlusal disharmony produced by1. flasking and processing procedures.2. strained jaw relation records.3. errors in registering of centric jaw relation.  A. (1) onlyB. (1) (2) (3)C. (2) and (3)D. (1) and (3)

7. Which of the following structures affects the thickness of the flange of a maxillary complete denture?

A. Malar process.B. Coronoid process. C. Mylohyoid ridge.D. Zygomatic process.E. Genial tubercle.  maxillary buccal flanges should properly fill thebuccal vestibule. However, the distal corners of thedenture base below the borders must be thin toallow the freedom necessary for movement of thecoronoid process.

 

Page 424 prosthodontics treatment of edentules patient

8. The form of the distobuccal border of a mandibular denture is modified by

1.buccinator muscle.2.masseter.3.temporal tendon.4. pterygomandibular raphe.5. external oblique ridge.•(1) and (2) •(2) and (3)•(3) and (4) •(1) and (5) •(4) and (5)The massetermuscle, when contracting, can act through the buccinatormuscle and impinge on the buccal sulcus.This effect usually is much more pronounced in themandibular buccal sulcus. The external obliqueline of the mandible defines the lateral boundary ofthe buccal shelf and frequently defines the buccalboundary of the mandibular buccal sulcus

Page 91 prosthodontics treatment of edentulous patient

Page 761. Which of the following should be evaluated for surgical removal before new complete dentures are constructed? A.Mandibular tori.B.Epulis fissuratum.C. Papillary hyperplasia.D. Sharp, prominent mylohyoid ridges. E. All of the above.

the torus may beconsidered for surgical remova page 109 prosthodontics treatment of edentulous patient