The means by which one part of a partial denture framework opposes the action of the retainer in  faction is:**
A. Tripoding
B. Reciprocation
C. Stress breaking
D. Indirect retention

1 Answer

Answer :

B. Reciprocation

Related questions

Description : In removable partial dentures, the principle of an indirect retainer is that it: a. Stabilises against lateral movement b. Prevents settling of major connectors c. Restricts tissue movement at ... base of the partial denture. d. Minimises movement of the base away from the supporting tissue

Last Answer : d. Minimises movement of the base away from the supporting tissue

Description : In removable partial denture, the principle of an indirect retainer is to: A. Stabilise against lateral movement B. Prevent settling of major connectors C. Restrict tissue movement at the distal ... base of the partial denture D. Minimise movement of the base away from the supporting tissue

Last Answer : D. Minimise movement of the base away from the supporting tissue

Description : When describing a removable partial denture, the minor connector refers to:** A. Rigid components anterior to the premolar teeth B. Flexible components, in contrast to rigid major connectors ... components to the major connector D. The components of the denture base which provides reciprocation

Last Answer : C. Smaller connectors which connect denture components to the major connector

Description : The removable partial denture requires relining what would be the most appropriate action, A. take a new impression by asking the patient to occlude on it B. Provide equal space (maybe it was ... gingival tissues. C. Make sure the framework and retainers are seated in place before taking impression

Last Answer : C. Make sure the framework and retainers are seated in place before taking impression

Description : Why do you polish the teeth before seating of a partial denture: A. To smooth the rough surface B. To minimise the retention of plaque C. To increase the adoptability of occlusal rests

Last Answer : B. To minimise the retention of plaque

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

Description : Which one of following statement about Overdenture is not correct: A. Greater occlusal loads can be applied by the patient B. Retention and stability are generally better than with ... The retained roots are covered by the denture thus protecting them from caries and periodontal diseases

Last Answer : D. The retained roots are covered by the denture thus protecting them from caries and periodontal diseases

Description : After making an impression to reline an RPD the dentist notes that the indirect retainers are not resting on the tooth. To avoid this, what process should have undertaken initially: A. Ask ... abutment tooth while setting C. Fabricate new denture D. Add impression material and close the gap

Last Answer : B. Hold the metal base frame against the abutment tooth while setting

Description : Which of the following areas CANNOT be determined by survey analysis of partially edentulous cast? A. Areas to be revealed as blocked out to properly located rigid parts of a frame work B. Areas to be ... planes D. Areas used for retention E. Areas used for support F. Depth of rest seats

Last Answer : F. Depth of rest seats

Description : The auxiliary occlusal rest on teeth for partial denture should be placed: A. Away from edentulous space B. Adjacent to edentulous space C. Near fulcrum line D. Away from fulcrum line

Last Answer : A. Away from edentulous space

Description : When all other removable partial denture considerations remain unchanged; clasps constructed of which material can engage the deepest undercut: A. Chrome cobalt casts B. Nickel chrome casts C. Wrought stainless steel (0,5mm) D. Wrought gold

Last Answer : D. Wrought gold

Description : Why do you construct a lower removable partial denture with lingual bar: A. It is used when the space between raised floor, mouth and gingival margin is minimal B. Plaque accumulation is less than with lingual plate C. Should be made thicker when short

Last Answer : B. Plaque accumulation is less than with lingual plate

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

Description : To minimize the load on a free-end saddle partial denture: (distal extension saddle) A. Use teeth with narrow Buccal-Lingual dimension B. Use mucco-compressive impression

Last Answer : B. Use mucco-compressive impression

Description : Why would you decide to replace the anterior missing teeth for partial denture using bridge: A. Aesthetic B. Overjet C. Overbite

Last Answer : A. Aesthetic

Description : Periodontal damage to abutment teeth of partial denture with distal extension can best be avoided by, A. Applying Stressbreakers B. Employing bar s on all abutment teeth C. Maintaining tissue support ... area E. Maintaining the clasp arms on all abutment teeth at the ideal degree of tension

Last Answer : C. Maintaining tissue support of the distal extension

Description : In planning and construction of a cast metal partial denture the study cast, M07 A. facilitate the construction of custom/special trays B. minimize the need for articulating C. provide only ... best assessed clinically D. can be used as a working cast when duplicating facilities are not available

Last Answer : A. facilitate the construction of custom/special trays

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

Description : In partial dentures the guidelines “Guiding Planes” serve to: A. Aid in balancing occlusion B. Assure predictable clasp retention C. Form right angle with the occlusal plane D. Eliminate the necessity for precision attachment E. Eliminate the necessity for a posterior clasp

Last Answer : B. Assure predictable clasp retention

Description : In bridge work, which of the followings terms is NOT CORRECT: A. A retainer could be a crown to which a bridge is attached to B. A connector connects a pontic to a retainer or two retainers to each ... lie and comes in contact with pontic D. A pontic is an artificial tooth as part of a bridge

Last Answer : C. The saddle is the area of the edentulous ridge over which the pontic will lie and comes in contact with pontic

Description : What is TRUE about vertical dimension:  A. Does not change for the whole life   B. Decreases when head is tilted back (is the opposite and if is tilted forward decreases, patient  supine reduced, stress and pain also reduced)  C. Increases when a lower denture is placed in mouth 

Last Answer : C. Increases when a lower denture is placed in mouth 

Description : What of the following is TRUE regarding the placement of the movable component of the non-rigid connector in a fixed bridge: A. Should be placed on the longer retainer B. Mesial drift causes unseating of the distally placed connector

Last Answer : B. Mesial drift causes unseating of the distally placed connector

Description : On examination of an 8 years-old child you find 75 with carious exposure. On X-ray you find 35  missing. Your treatment is:  A. Extraction of 75 allowing 36 to move mesially  B. ... of 75 and place a fixed space retainer to be replaced with fixed bridge. D. Extraction of 65 and 75 

Last Answer : B. Pulpotomy on 75 and wait indefinitely  

Description : Denture stomatitis is commonly associated with, A. The continuous wearing of removable orthodontic appliances in otherwise healthy patient B. The proliferation of hypertrophic tissue at the denture ... overgrowth of some constituents of oral normal microflora D. Allergy to denture base material

Last Answer : C. The overgrowth of some constituents of oral normal microflora

Description : Four year kid shows at your clinic with open bite as a result of thumb sucking, you notice a delayed speech ability, what would be your first management, A. Refer to a speech therapist B. Apply ... inhibitor denture and educate the parents about it so the kid will not be taking it off so often

Last Answer : A. Refer to a speech therapist

Description : The blood supply to the denture bearing areas of the maxilla A. Superior Maxillary artery B. Grand/greater palatine artery

Last Answer : A. Superior Maxillary artery

Description : Which of the following muscles may affect the borders of a mandibular complete denture? A. Mentalis B. Lateral pterygoid C. Orbicularis oris D. Levator oris E. Temporalis

Last Answer : C. Orbicularis oris

Description : The biting load of denture base to tissues compared to teeth are, A. Ten times more B. Ten times less C. Equal

Last Answer : B. Ten times less

Description : If aesthetic is not a concern what is the first thing to do to treat soreness under dentures, A. Take the denture off for a week B. Rinse the denture in nystatin C. Apply tissue conditioner

Last Answer : A. Take the denture off for a week

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

Description : Which muscle acts on the disto-lingual contour of lower denture: A. Mentalis B. Masseter C. Mylohyoid D. Buccinator

Last Answer : C. Mylohyoid

Description : A well constructed complete denture: A. Needs little maintenance B. Needs less than a week for adjustment and total success C. Has adverse effects and decreases taste sensations

Last Answer : A. Needs little maintenance

Description : What interferes with a maxillary denture in the posterior vestibular fold: A. Coronoid process B. Condyle C. Masseter muscle

Last Answer : A. Coronoid process

Description : The effect of the temperature rising above 100ºC on heat-cured denture-base acrylic resins is: A. Produces porosity on the external portion of the resin. B. Produces porosity on the internal portion ... porosity on the surface of the resin. D. Prevents porosity on the interior of the resin

Last Answer : B. Produces porosity on the internal portion of the resin.

Description : Ala-Tragal line is:** A. The line running from the tragus of the nose to ala of the ear B. A guide used to orient the occlusal plane C. Parallel to Frankfurt horizontal plane D. A guide to the occluding face height in complete denture.

Last Answer : B. A guide used to orient the occlusal plane

Description : Resting face height in edentulous patients: A. Decreases when head is tilted back (the opposite is true B. Increases when lower denture is inserted C. Does not change over time

Last Answer : B. Increases when lower denture is inserted

Description : Denture hyperplasia is generally attributed to: A. Poor oral hygiene B. Denture movement

Last Answer : B. Denture movement

Description : Where would you expect to find the Mylohyoid in relation to periphery of complete denture: A. Mandibular buccal in the midline B. Mandibular lingual in the midline C. Mandibular disto buccal area

Last Answer : B. Mandibular lingual in the midline

Description : Porosity in acrylic dentures is caused by,  A. Contraction porosity in thickest point of the denture  B. Insufficient pressure during flasking 

Last Answer : A. Contraction porosity in thickest point of the denture  B. Insufficient pressure during flasking 

Description : Rank the following impressions materials according to their flexibility A. Alginate> Polysulphide> Silicone> Zinc Oxide Eugenol B. Silicone> Alginate> Polysulphide> Zinc Oxide Eugenol C. ... Eugenol> Silicone> Polysulphide 300.Denture resins are usually available as powder and liquid that

Last Answer : D. Alginate> Silicone> Polysulfide> Zinc Oxide Eugenol

Description : Which of the following is a major disadvantage to immediate complete denture therapy: A. Trauma to extraction site FB. Increased the potential of infection C. Impossibility for anterior try in D. Excessive resorption of residual ridge

Last Answer : C. Impossibility for anterior try in

Description : Angular cheilitis in edentulous patient with complete denture is a result of: A. Deficiency of Rivoflavin vitamin B2 B. Low vertical dimension

Last Answer : B. Low vertical dimension

Description : How would you treat Denture Stomatitis A. Tetracycline B. Systemic penicillin C. Nystatin

Last Answer : C. Nystatin

Description : A Patient with lower denture complaining of paresthesia of the lower lip, the most common cause is, A. Pressure on mental foramen B. Pressure on the genioglossi Mylohyoid muscles

Last Answer : A. Pressure on mental foramen

Description : To increase the stability of the lower denture, A. The occlusal plane should be below the tongue B. The occlusal plane should be above the tongue C. The lingual flanges should be concave

Last Answer : A. The occlusal plane should be below the tongue

Description : The fovea palatini is a landmark to determine the posterior bonds of upper denture in which regard: A. Post dam B. Flanges

Last Answer : A. Post dam

Description : The first thing to check when patient comes complaining of pain under denture is: A. Occlusion B. Soft tissues changes

Last Answer : A. Occlusion

Description : When repairing a fracture of a lower complete denture, which statement is correct: A. Self curing will distort the denture B. Cold curing will not be strong enough because of small area of attachment C. There is a possibility of occlusal disharmony

Last Answer : C. There is a possibility of occlusal disharmony

Description : Which of the following is a major disadvantage to immediate complete denture therapy, A. Trauma to extraction site B. Increased potential of infection C. Impossibility for anterior try in D. Excessive resorption of residual ridge

Last Answer : C. Impossibility for anterior try in

Description : Which of these muscles may affect the borders of mandibular complete denture, M07 ********* A. Mentalis (act on the lower border) B. Lateral pterygoid C. Orbicularis oris D. Levator angulioris E. Temporal

Last Answer : C. Orbicularis oris