Management (14)
651. Drug used to increase saliva is:?
σ� Anticholinergic.
σ� Cholinergic.
σ� Antidiabetic.
σ� Anticorticosteroid
652. Atropine :?
σ� Dries secretion such saliva
σ� Depresses the pulse rate.
σ� Cause central nervous system depression
653. (10 years) child with congenital heart disease came for extraction of his lower 1st molar, the antibiotic for choice for prevention of infective endocarditis is:?
σ� Ampicelline 30 mg /kg orally 1hour before procedure.
σ� Cephalixine 50mg/kg orally 1hour before procedure.
σ� Clindamicine 20mg/kg orally 1hour before procedure
σ� Amoxicillin 50mg/kg orally 1hour before procedure
654. Inhalation anesthesia:?
σ� Nitrous oxide.
σ� Ethanol.
σ� Halothane.
σ� All of the above.
655. Pre-anesthetic medication are all except:?
σ� Benzodiazepine.
σ� Opioids (Fentaryl)
σ� Thiopental.
σ� Antchoinergic.
656. Benzodiazepines:?
σ� The most widely used anxiolytic drugs.
σ� They have largely replaced barbiturates in the treatment of anxiety.
σ� Are sate and more effective.
σ� All of the above.
657. The most frequent cause of failure of a cast crown restoration is:?
σ� Failure to extend the crown preparation adequately into the gingival sulcus.
σ� Lack of attention in carving occlusal anatomy of the tooth.
σ� Lack of attention to tooth shape, position, and contacts
σ� Lack of prominent cusps, deep sulcus, and marginal ridges
658. The incisal reduction for a metal ceramic restoration should be:?
σ� 1.5 mm.
σ� 2 mm.
σ� 3 mm.
σ� 4 mm.
659. The occlusal reduction for an all metal veneer crown should:?
σ� Be as flat as possible to enable an easy fabrication of occlusion anatomy.
σ� Follow the occlusal morphology with a clearance rating from 1 to 1.5 mm with the opposing dentition.
σ� Follow the occlusal morphology with a clearance of no more than 0.5 mm with the opposing dentition
σ� Be the last step in the tooth preparation.
660. The best restoration for max central incisor that has received RCT through conservatively prepared access opening would be:?
σ� Post-retained metal-ceramic crown.
σ� Post-retained porcelain jacket crown.
σ� Composite resin.
σ� None of the above.
661. Endodontically treated 2nd maxillary premolar with moderate Mesial & Distal caries is best restored by:?
σ� Amalgam.
σ� 3/4 crown.
σ� Full crown.
σ� Onlay.
662. The first step in diagnostic work, up is obtaining the:?
σ� Medical history.
σ� Present complaint.
σ� Biographical data.
σ� Restorative history.
663. Which material has best biocompatibility Intraorally:?
σ� Cobalt chromium.
σ� Titanium.
σ� Nickel chromium.
σ� Gold Palladium
664. The impression used for preliminary impressions or study casts is:?
σ� Agar agar.
σ� Silicon.
σ� Alginate.
σ� None.
665. What is the least accurate imp material:?
σ� Alginate.
σ� Polysulfide.
σ� Polyether.
σ� None
666. Stock trays compared to Custom trays for a removable partial denture impression :?
σ� Custom trays less effective than stock trays.
σ� Custom trays can record an alginate impression as well as elastomeric impression
σ� Custom trays provide even thickness of impression material.
σ� All of the above
667. Child have dental caries in 3 or 4 surfaces of his first primary molar we will replace them with:?
σ� Preformed metal crown.
σ� Porcaline crown.
σ� Amulgam crown.
σ� Composite restoration.
668. Which tooth require special attention when preparing the occlusal aspect for restoration:?
σ� Lower 2nd molar.
σ� Lower 1st premolar.
σ� Lower 2nd premolar.
σ� Upper 1st molar.
669. The function of post :?
σ� Provide retention for a crown.
σ� Enhance the strength of the tooth.
σ� Provide retention for a core.
σ� Provide the root canal sealing.
670. Which of the following components of balanced occlusion are frequently altered by dentist ?
σ� Cuspal inclination, Condylar guidance.
σ� Incisal guidance, cuspal inclination.
σ� Plane of orientation , curve of spee.
σ� Compensatory curve, cuspal inclination.
671. The distal palatal termination of the maxillary complete denture base is dictated by the:?
σ� Fovea palatine.
σ� Maxillary tori.
σ� Vibrating line.
σ� Posterior palatal seal.
672. Oral surgeon put his finger on the nose of the patient and the patient asked to blow. This done to check:?
σ� Anterior extension of posterior palatal seal.
σ� Lateral extension of posterior palatal seal.
σ� Posterior extension of posterior palatal seal.
σ� Glandular opening.
673. Patient Presented after insertion of complete denture complaining of dysphagia and ulcers what is the cause of Dysphagia?
σ� Over extended.
σ� Over post dammed.
σ� Under extended.
σ� Under post dammed.
674. After insertion of complete denture, Patient came complaining from pain in TMJ and tenderness of muscle with difficulty in swallowing, this could be due to:?
σ� High vertical dimension.
σ� Low vertical dimension.
σ� Thick denture base.
σ� Over extended denture base.
675. Which palatal form is more retentive and offers better stability to complete denture:?
σ� V shaped.
σ� Wide palate.
σ� U Shaped.
σ� Flat palate.
676. An examination of the edentulous mouth of an aged Patient who has wore maxillary complete dentures for many years against six mandibular teeth would probably show:?
σ� Cystic degeneration of the foramina of the anterior palatine nerve.
σ� Loss of osseous structure in the anterior maxillary arch.
σ� Flabby ridge tissue in the posterior maxillary arch.
σ� Insufficient inter occlusal distance.
677. In registering the vertical dimension of occlusion for the edentulous patient. The physiological rest dimension:?
σ� Equals the vertical dimension of occlusion.
σ� May be exceeded if the appearance of the patient is enhanced.
σ� Is of little importance as it is subject to variations.
σ� Must always be greater than vertical dimension of occlusion.
678. Function of post dam:?
σ� Prevent tongue from palate touch increase comfort.
σ� Increase retention.
σ� To compensate acrylic dimension.
σ� All are corrects
679. The goal of construction of occlusion rims is:?
σ� To obtain the occlusal plane, vertical dimension, tentative centric relation, face low transfer, placement of the teeth.
σ� To obtain the protrusive condylar guidance.
σ� To obtain the lateral condylar posts and incisal guide.
σ� Vertical dimension
680. To recheck centric relation in complete denture:?
σ� Ask Patient to swallow and close.
σ� Ask Patient to place tip of tongue in posterior area and close.
σ� To wet his lip and tongue.
σ� All of the above None
681. Occlusal rest function:?
σ� To resist lateral chewing movement.
σ� To resist vertical forces.
σ� Stability.
σ� Retention
682. Complete denture poorly fit and inadequate inter-occlusal relation:?
σ� Relining.
σ� Rebasing.
σ� New denture.
σ� None of the above.
683. (65 years) old black man wants to have very white teeth in his new denture what should the dentist do:?
σ� Put the white teeth.
σ� Show the patient the suitable color first then show him the white one
σ� Convince him by showing him other patients photos
σ� Tell him firmly that his teeth color are good
684. Old Patient come with set of complete denture with tight denture in morning and become loose later in a day what is the cause:?
σ� Lack of posterior palatal seal.
σ� Deflecting of occlusion.
σ� Excessive relining of denture.
σ� Inelasticity of cheek.
685. The peripheries of the custom tray should be under extended to all border and clearance from the frenum areas:?
σ� A. 2mm.
σ� 4mm.
σ� 6mm.
σ� 8mm.
686. The anterior width of the maxillary occlusion rim is:?
σ� A. 5mm.
σ� 10mm.
σ� 15mm.
σ� 20mm.
687. The posterior width of the maxillary occlusion:?
σ� 8-10mm.
σ� 8-15mm.
σ� 10-15mm.
σ� 15-20mm.
688. The anterior height of the mandibular occlusion rim is:?
σ� 6mm.
σ� 16mm.
σ� 26mm.
σ� 36mm.
689. The primary goal of posterior tooth selection is:?
σ� To provide good functional requirements.
σ� To satisfy aesthetic requirements.
σ� To satisfy psychological requirements.
σ� None.
690. You need ……. To get the teeth shade:?
σ� Shade guide.
σ� Incisal guide.
σ� Acrylic teeth.
σ� Porcelain teeth.
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