The pulpal floor of the Class II cavity for a mandibular first premolar should be: GA.Parallel to occlusal plane B. Perpendicular to long axis C. Tilted lingually

The pulpal floor of the Class II cavity for a mandibular first premolar should be:
GA.Parallel to occlusal plane
B. Perpendicular to long axis
C. Tilted lingually
by

1 Answer

Answer :

GA.Parallel to occlusal plane
by

Related questions

The bur should be tilted lingually when preparing the occlusal surface of class II cavity on a mandibular first premolar in order to: I. Remove unsupported enamel II. Prevent encroachment on the buccal pulp horn III. Prevent encroachment on the lingual pulp horn IV. Maintain dentinal support of the lingual cusp A. I and II B. I and III C. II and IV D. III and IV E. IV only

Description : The bur should be tilted lingually when preparing the occlusal surface of class II cavity on a mandibular first premolar in order to: I. Remove unsupported enamel II. Prevent encroachment on the buccal pulp horn III. Prevent ... and II B. I and III C. II and IV D. III and IV E. IV only

Last Answer : C. II and IV

In the construction of an RPD, guiding planes are created, A. Perpendicular to the occlusal plane B. Parallel towards the path of placement.

Description : In the construction of an RPD, guiding planes are created,  A. Perpendicular to the occlusal plane  B. Parallel towards the path of placement. 

Last Answer : B. Parallel towards the path of placement.

What is TRUE in regard to the preparation of occlusal rests: A. Use an inverted cone bur B. Use a flat fissure bur C. Parallel to occlusal plane D. At right angle to the long axis of tooth E. None of the above

Description : What is TRUE in regard to the preparation of occlusal rests: A. Use an inverted cone bur B. Use a flat fissure bur C. Parallel to occlusal plane D. At right angle to the long axis of tooth E. None of the above

Last Answer : E. None of the above

What is CORRECT in regard to the periodontal surface area in mandibular teeth: A. First molar> first premolar> second premolar (max) B. Canine> first premolar> second premolar. (max) C. Canine> lateral incisor> central incisor

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Reduced occlusal area means: A. More fracture potential for amalgam B. Less fracture potential for amalgam C. Pulpal involvement D. Perio involvement E. None of the above

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Last Answer : B. Less fracture potential for amalgam

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Description : Occlusal cavity with extension of the buccal fissure is classified as, A. Class II B. Class III C. Class I D. Class V

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In the preparation of Premolar class I cavity what is the best way of getting retention, A. Slightly done undercut of the mesial and distal walls B. Slightly done undercut of the buccal and lingual walls C. The convergence of the cavity walls

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The position of the lingual cusp of a maxillary first premolar during setting of teeth and on occlusal view is positioned:** A. Distally B. Mesially

Description : The position of the lingual cusp of a maxillary first premolar during setting of teeth and on occlusal view is positioned:** A. Distally B. Mesially

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If used, in which direction should pinholes be placed? a. parallel to the long axis of the tooth b.parallel to the nearest external surface c. at a 15 degree angle to the long axis of the tooth d. perpendicular to the gingival floor e. directly below and parallel to restored cusp tip

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Last Answer : b.parallel to the nearest external surface

The principal factor involved in oral para-function is related to: A. Periods of stress B. Occlusal pre-maturities during mandibular closure

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Last Answer : E. Anterior cranial base

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Last Answer : A. The mesial concavity of the root surface

A 7 years-old child has class I malocclusion, slight version of maxillary class III, adequate arch length. What is your management: A. Oral screen B. Head cap therapy C. Inclined plane on mandibular anterior teeth D. Hawley plate E. Expansion screw plate

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Last Answer : C. Inclined plane on mandibular anterior teeth

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

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Last Answer : B. Sub-mandibular sialolith

Which nerve is anesthesised in anterior border of ramus and 1 cm above occlusal plane of lower posterior teeth: A. Lingual nerve B. Long buccal nerve

Description : Which nerve is anesthesised in anterior border of ramus and 1 cm above occlusal plane of lower posterior teeth: A. Lingual nerve B. Long buccal nerve

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What is your management of a single retroclined upper incisor in a 9 years-old child with sufficient space: A. Anterior inclined plane on mandibular teeth B. Biteplane and protrusion screw C. Expansion screw D. Hawley appliance

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Last Answer : A. Anterior inclined plane on mandibular teeth

To obtain a desired projection of occlusal loads, the floor of the occlusal rest should, A. Be convex B. Slope from the marginal ridge towards contact?? of abutment C. Slope from contact?? of abutment towards the marginal ridge D. Be concave E. Does not slope from the marginal ridge towards contact?? of abutment F. None of the above

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Last Answer : B. Slope from the marginal ridge towards contact?? of abutment

Which part of the cranium is considered as the most stable area, A. Frankfort plane B. Occlusal plane C. Anterior cranial plane D. Anterior nasal to gnathion.

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When patient bites in protrusion with complete dentures you notice that the posterior teeth do not meet, what would you do to solve this: A. Increase the compensatory curve B. Decrease the angle of the occlusal plane

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

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

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Your patient has fainted, the signs are, blanched face, weak pulse, moist skin, shallow respiration; your first management is: A. 1 ml adrenaline subcutaneously B. Mouth to mouth respiration C. Nitro glycerine sub lingually D. Recumbent position; supine

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Last Answer : D. Recumbent position; supine

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Description : The most accurate finding of pulpal pathology A. Radiolucency on the apical region B. Pain on hot or cold drinks C. he absence of response to pulp testing

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What is the main purpose of using corticosteroids in pulpal obturation material? A. For their antibiotic action B. For their antiinflammatory action C. To relief pulp pressure

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What is the main purpose of using corticosteroids in pulpal obturation material: A. For their antibiotic action B. For their antiinflammatory action C. To relief pulp pressure

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Last Answer : B. For their antiinflammatory action

Bitewing x rays are taken to assist in the detection of caries :** A. Occlusally B. Lingually C. Buccally D. Gingivally E. Interproximally

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Last Answer : E. Interproximally

Periapical abscess is differentiated from periodontal abscess by: A. Pulpal radiology B. History and vitality test C. X-ray and history

Description : Periapical abscess is differentiated from periodontal abscess by: A. Pulpal radiology B. History and vitality test C. X-ray and history

Last Answer : B. History and vitality test

Where is the MOST probable place of bone resorption after a deciduous molar has a pulpal gangrene: A. Interradicular septum B. The periapical area

Description : Where is the MOST probable place of bone resorption after a deciduous molar has a pulpal gangrene: A. Interradicular septum B. The periapical area

Last Answer : A. Interradicular septum

Why do you extract lower 8’s by directing the extraction lingually:** A. Because of the roots direction B. Thinner bone C. Lingual deviation

Description : Why do you extract lower 8’s by directing the extraction lingually:** A. Because of the roots direction B. Thinner bone C. Lingual deviation

Last Answer : B. Thinner bone

How would you extract 35? A. Rotation B. Lingually C. Labially

Description : How would you extract 35? A. Rotation B. Lingually C. Labially

Last Answer : A. Rotation

In which direction you would extract a deciduous upper molar: A. Rotation B. Buccally C. Lingually

Description : In which direction you would extract a deciduous upper molar: A. Rotation B. Buccally C. Lingually

Last Answer : B. Buccally

Which of the following may be caused by a newly placed restoration which interferes with the occlusion A. Apical abscess B. Pulpal necrosis C. Apical periodontitist

Description : Which of the following may be caused by a newly placed restoration which interferes with the occlusion A. Apical abscess B. Pulpal necrosis C. Apical periodontitist

Last Answer : C. Apical periodontitist

For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine

Description : For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine

Last Answer : A. Avoid buccal pulp horn

After the placement of a class I amalgam the patient comes back to you complaining of pain on masticating and biting; what is the first thing you would look at, A. Occlusal height B. Contacts areas

Description : After the placement of a class I amalgam the patient comes back to you complaining of pain on masticating and biting; what is the first thing you would look at, A. Occlusal height B. Contacts areas

Last Answer : A. Occlusal height

the location of Class V is in, A. The buccal pit /fissure/ B. The occlusal surface C. The cervical third

Description : the location of Class V is in, A. The buccal pit /fissure/ B. The occlusal surface C. The cervical third

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In class II restorations, all of the following are considered to occur as probable causes of periodontal problems except: A. Flat ridge B. Faulty or not proper contour C. Not properly polished restoration D. Cervical wall is too deeply apical E. Overextension of lining in cavity

Description : In class II restorations, all of the following are considered to occur as probable causes of periodontal problems except: A. Flat ridge B. Faulty or not proper contour C. Not properly polished restoration D. Cervical wall is too deeply apical E. Overextension of lining in cavity

Last Answer : E. Overextension of lining in cavity

At which angle to the external surface of proximal cavity walls should a class II preparation for amalgam be finished A. An acute angle B. An obtuse angle si es el cajon proximal C. A right angle D. An angle of 45°

Description : At which angle to the external surface of proximal cavity walls should a class II preparation for amalgam be finished A. An acute angle B. An obtuse angle si es el cajon proximal C. A right angle D. An angle of 45°

Last Answer : B. An obtuse angle si es el cajon proximal

The MOST common sites for squamous carcinoma in the oral cavity are:** A. Palate and gingivae B. Tongue and floor of the mouth C. Tongue and palate

Description : The MOST common sites for squamous carcinoma in the oral cavity are:** A. Palate and gingivae B. Tongue and floor of the mouth C. Tongue and palate

Last Answer : B. Tongue and floor of the mouth

A 8 years-old patient has 3 first premolars erupted and a swelling on the ridge of the un-erupted premolar. X ray shows a fully developed crown and ¾ roots development with no other pathology. What is your management: A. Remove the dentigerous cyst B. Soft tissues recision to allow eruption C. Soft tissues recision accompanied with orthodontic appliance to help with eruption

Description : A 8 years-old patient has 3 first premolars erupted and a swelling on the ridge of the un-erupted premolar. X ray shows a fully developed crown and ¾ roots development with no ... recision to allow eruption C. Soft tissues recision accompanied with orthodontic appliance to help with eruption

Last Answer : C. Soft tissues recision accompanied with orthodontic appliance to help with eruption

Which of the following is NOT TRUE in regard to lateral periodontal cyst** A. It is more common in anterior region B. It occurs more in maxilla than mandible C. Probable origin is from dentigerous cyst which develops laterally D. Encountered in the cuspid-premolar region of the mandible, derived from the remnants of the dental lamina

Description : Which of the following is NOT TRUE in regard to lateral periodontal cyst** A. It is more common in anterior region B. It occurs more in maxilla than mandible C. Probable origin is from ... . Encountered in the cuspid-premolar region of the mandible, derived from the remnants of the dental lamina

Last Answer : A. It is more common in anterior region B. It occurs more in maxilla than mandible

An upper deciduous molar has a caries exposure and on X ray the corresponding 2nd permanent premolar is absent. What treatment would you do to the deciduous tooth: A. Pulpotomy B. Endodontic treatment C. Pulp capping

Description : An upper deciduous molar has a caries exposure and on X ray the corresponding 2nd permanent premolar is absent. What treatment would you do to the deciduous tooth: A. Pulpotomy B. Endodontic treatment C. Pulp capping

Last Answer : B. Endodontic treatment

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 C. Smaller connectors which connect denture components to the major connector D. The components of the denture base which provides reciprocation

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

Polar moment of inertia is a.Applicable to masses whereas moment of inertia is applicable to area only b.The moment of inertia for an area ralative to a line or axis which is out the plane of area c.Same as moment of inertia d.The moment of inertia for an area relative to a line or axis parallel to the centroidal axis e.The moment of inertia for an area relative to a line or axis perpendicular to the plane of the area

Description : Polar moment of inertia is a.Applicable to masses whereas moment of inertia is applicable to area only b.The moment of inertia for an area ralative to a line or axis which is out the plane of area ... The moment of inertia for an area relative to a line or axis perpendicular to the plane of the area

Last Answer : e. The moment of inertia for an area relative to a line or axis perpendicular to the plane of the area

A mandibular permanent first molar has to be extracted, this will affect: A. Adjacent teeth B. Teeth in the same quadrant C. Both arches the same side D. Full mouth

Description : A mandibular permanent first molar has to be extracted, this will affect: A. Adjacent teeth B. Teeth in the same quadrant C. Both arches the same side D. Full mouth

Last Answer : D. Full mouth

The first molars are extracted in both arches: A. The bone resorption will be the same for both arches B. Resorption is more on the palatal side of maxillary molars C. Resorption is more on lingual side of mandibular molars D. The ridge height resorbs more in maxilla than mandible

Description : The first molars are extracted in both arches: A. The bone resorption will be the same for both arches B. Resorption is more on the palatal side of maxillary molars C. Resorption is more on lingual side of mandibular molars D. The ridge height resorbs more in maxilla than mandible

Last Answer : C. Resorption is more on lingual side of mandibular molars

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

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

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

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