.When correction preparation for re contouring of occlusal surface is to be applied, grinding only of the adjusted surface: A. Should not be felt flat B. Requires a flat crown C. Requires no contact with adjacent teeth D. Should be felt flat

.When correction preparation for re contouring of occlusal surface is to be applied, grinding only of  the adjusted surface:
A. Should not be felt flat
B. Requires a flat crown
C. Requires no contact with adjacent teeth
D. Should be felt flat
by

1 Answer

Answer :

A. Should not be felt flat
by

Related questions

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

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

Splinting the adjacent teeth in fixed bridge is primarily done to: A. Distribute the occlusal load B. Achieve better retention

Description : Splinting the adjacent teeth in fixed bridge is primarily done to: A. Distribute the occlusal load B. Achieve better retention

Last Answer : A. Distribute the occlusal load

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

A crown casting with a chamfer margin fits the die; but in the mouth the casting is open approximately 0.3mm. A satisfactory fit and accurate physiological close of the gingival area of the crown can BEST be achieved by: A. Hand burnishing B. Mechanical burnishing C. Using finishing burs and points to remove the enamel margins on the tooth D. Making a new impression and remaking the crown E. Relieving the inside of the occlusal surface of the casting to allow for further

Description : A crown casting with a chamfer margin fits the die; but in the mouth the casting is open approximately 0.3mm. A satisfactory fit and accurate physiological close of the gingival area of the crown ... the crown E. Relieving the inside of the occlusal surface of the casting to allow for further

Last Answer : D. Making a new impression and remaking the crown

In the construction of a full veneer gold crown, future recession of gingival tissue can be prevented or at least minimised by, A. Extension of the crown 1 mm under the gingival crevice B. Reproduction of normal tooth incline in the gingival one third of the crown C. Slight over contouring of the tooth in the gingival one fifth of the crown D. Slight under contouring of the tooth in the gingival one fifth of the crown

Description : In the construction of a full veneer gold crown, future recession of gingival tissue can be prevented or at least minimised by, A. Extension of the crown 1 mm under the gingival crevice B. ... of the crown D. Slight under contouring of the tooth in the gingival one fifth of the crown

Last Answer : B. Reproduction of normal tooth incline in the gingival one third of the crown

Function of matrix band: A. Substitute for the missing wall so adequate condensation forces can be applied B. Permit re-establishment of proper contact lines C. Restrict extrusion of amalgam and prevent formation of an “overhang” D. Provide adequate physiological contour for the proximal surface E. Provide an acceptable surface texture to the proximal surface F. All of the above

Description : Function of matrix band: A. Substitute for the missing wall so adequate condensation forces can be applied B. Permit re-establishment of proper contact lines C. Restrict extrusion of amalgam and prevent ... E. Provide an acceptable surface texture to the proximal surface F. All of the above

Last Answer : F. All of the above

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

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

A tooth under occlusal trauma shows A. Bone resorption B. Necrosis of the pulp C. Hypercementosis D. Triangulation Vertical defects occur adjacent to a tooth and usually in the form of a triangular area of missing bone, known as triangulation E. All of the above

Description : A tooth under occlusal trauma shows A. Bone resorption B. Necrosis of the pulp C. Hypercementosis D. Triangulation Vertical defects occur adjacent to a tooth and usually in the form of a triangular area of missing bone, known as triangulation E. All of the above

Last Answer : E. All of the above

The clinical advantage of porcelain laminate veneers over composite resin veneers is: A. Color stability and resistance to abrasion B. Availability of self-curing or light activated placement (yes but not necessary a clinical advantage) C. Minimal over-contouring of the treated teeth ( not necessarily true depends on the dentist's abilities) D. May be used in edge to edge occlusion or Class III relationships.

Description : The clinical advantage of porcelain laminate veneers over composite resin veneers is: A. Color stability and resistance to abrasion B. Availability of self-curing or light activated placement (yes but not ... dentist's abilities) D. May be used in edge to edge occlusion or Class III relationships.

Last Answer : A. Color stability and resistance to abrasion

.For an onlay preparation, which of the following is the MOST EFFECTIVE means for verifying adequate occlusal clearance A. Wax bite chew in B. Proper depth cuts C. Visual inspection D. Articulating paper

Description : .For an onlay preparation, which of the following is the MOST EFFECTIVE means for verifying adequate occlusal clearance A. Wax bite chew in B. Proper depth cuts C. Visual inspection D. Articulating paper

Last Answer : A. Wax bite chew in

When primary molars are prepared for stainless steel crowns, should the depth for reduction of the proximal surface be similar to the depth of the buccal and lingual surfaces? A. Yes; reduction of all wall is similar for best retention B. No, proximal reduction is greater to allow the crown to pass the contact area C. No, the buccal surfaces has the greatest reduction to remove the cervical bulge D. Yes, all undercuts are uniformly removed so that the steel crown can be seated E. No, because of lateral constriction, the lingual surface needs greatest reduction

Description : When primary molars are prepared for stainless steel crowns, should the depth for reduction of the proximal surface be similar to the depth of the buccal and lingual surfaces? A. Yes; reduction ... can be seated E. No, because of lateral constriction, the lingual surface needs greatest reduction

Last Answer : B. No, proximal reduction is greater to allow the crown to pass the contact area

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 conventional complete denture C. Alveolar bone resorption is reduced D. The retained roots are covered by the denture thus protecting them from caries and periodontal diseases

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

Why is it difficult to use matrices on deciduous teeth, A. It hurts the kids’ parents B. The small mouth opening of kids in that age range makes it difficult to keep matrices in mouth. C. The occlusal concavity of deciduous teeth

Description : Why is it difficult to use matrices on deciduous teeth, A. It hurts the kids’ parents B. The small mouth opening of kids in that age range makes it difficult to keep matrices in mouth. C. The occlusal concavity of deciduous teeth

Last Answer : . The occlusal concavity of deciduous teeth

the difficulty of placing matrices on deciduous dentition is a result of, A. The small mouth of kids which result in problem keeping the matrices in their mouths B. The occlusal convergence of the deciduous teeth

Description : the difficulty of placing matrices on deciduous dentition is a result of, A. The small mouth of kids which result in problem keeping the matrices in their mouths B. The occlusal convergence of the deciduous teeth

Last Answer : B. The occlusal convergence of the deciduous teeth

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

Description : 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

Last Answer : A. Increase the compensatory curve

When setting up teeth for complete dentures having bilateral balanced occlusion, separation of posterior teeth during protrusion is done by: A. Increasing the anterior posterior occlusal curve B. Decreasing the angle orientation of the occlusal plane

Description : When setting up teeth for complete dentures having bilateral balanced occlusion, separation of posterior teeth during protrusion is done by: A. Increasing the anterior posterior occlusal curve B. Decreasing the angle orientation of the occlusal plane

Last Answer : B. Decreasing the angle orientation of the occlusal plane

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

Last Answer : B. Long buccal nerve

The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. the inter occlusal distance will be physiologically acceptable after treatment B. there will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. at least two third of the original alveolar process will remain for adequate periodontal support D. the aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Description : The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. the inter occlusal distance will be physiologically ... the aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Last Answer : A. the inter occlusal distance will be physiologically acceptable after treatment

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

Last Answer : B. Mesially

What is the main purpose of using Stress breakers: A. To distribute the load between teeth and ridges B. To distribute the load between the clasps and the face end of the saddle C. It relieves the abutment tooth of occlusal loads that may exceed their physiologic strength

Description : What is the main purpose of using Stress breakers: A. To distribute the load between teeth and ridges B. To distribute the load between the clasps and the face end of the saddle C. It relieves the abutment tooth of occlusal loads that may exceed their physiologic strength

Last Answer : C. It relieves the abutment tooth of occlusal loads that may exceed their physiologic strength

The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. The inter occlusal distance will be physiologically acceptable after treatment B. There will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. At least two third of the original alveolar process will remain for adequate periodontal support D. The aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Description : The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. The inter occlusal distance will be physiologically ... . The aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Last Answer : A. The inter occlusal distance will be physiologically acceptable after treatment

An occlusal approaching clasp TIP, A. Should occupy a predetermined undercut B. Contact the tooth under the survey line C. Rigid

Description : An occlusal approaching clasp TIP, A. Should occupy a predetermined undercut B. Contact the tooth under the survey line C. Rigid

Last Answer : B. Contact the tooth under the survey line

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

Description : 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 ... E. Does not slope from the marginal ridge towards contact?? of abutment F. None of the above

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

A vital tooth has a crown cemented to a pin-retained amalgam core; where does a failure occur: A. Between crown and cement B. Between core and cement C. In the crown and the root D. In the core and the margin preparation

Description : A vital tooth has a crown cemented to a pin-retained amalgam core; where does a failure occur: A. Between crown and cement B. Between core and cement C. In the crown and the root D. In the core and the margin preparation

Last Answer : B. Between core and cement

The cervical finish line of a full veneer crown preparation should be placed: A. Just supragingival whenever is possible B. According to the depth of gingival crevice C. Subgingival to reduce ability of recurrent caries D. At the junction of tooth and amalgam core

Description : The cervical finish line of a full veneer crown preparation should be placed: A. Just supragingival whenever is possible B. According to the depth of gingival crevice C. Subgingival to reduce ability of recurrent caries D. At the junction of tooth and amalgam core

Last Answer : A. Just supragingival whenever is possible

An impression with elastomer in custom tray has been taken for crown preparation; it will be two days before the impression gets to the laboratory for construction of the crown. Which impression material is preferred? A. Polyether B. Thiokol or meraptan rubber C. Condensation silicone D. Vinyl polysiloxane

Description : An impression with elastomer in custom tray has been taken for crown preparation; it will be two days before the impression gets to the laboratory for construction of the crown. Which impression ... A. Polyether B. Thiokol or meraptan rubber C. Condensation silicone D. Vinyl polysiloxane

Last Answer : D. Vinyl polysiloxane

During mouth preparation for RPD on tooth adjacent to edentulous area. There is dentine exposure: A. Restoration is required B. Proceed with rest seat preparation and fabrication if involved area is not more than 2mm

Description : During mouth preparation for RPD on tooth adjacent to edentulous area. There is dentine exposure: A. Restoration is required B. Proceed with rest seat preparation and fabrication if involved area is not more than 2mm

Last Answer : A. Restoration is required

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

What control tooth or teeth should be used when testing a suspected pulpally involved tooth: A. Adjacent tooth and contralateral teeth B. Contralateral and opposing teeth C. Opposing and adjacent teeth D. Test only suspected tooth/teeth E. All of the above

Description : What control tooth or teeth should be used when testing a suspected pulpally involved tooth: A. Adjacent tooth and contralateral teeth B. Contralateral and opposing teeth C. Opposing and adjacent teeth D. Test only suspected tooth/teeth E. All of the above

Last Answer : A. Adjacent tooth and contralateral teeth

A 10 years-old child presents with crowding of the dentition and desires correction. What would your next step be: a. Perform mixed dentition analysis. b. Extract the deciduous teeth. c. Ask the patient to come after the deciduous teeth fall off and complete permanent dentition erupts. d. Apply a fixed appliance. e. Review in yearly intervals.

Description : A 10 years-old child presents with crowding of the dentition and desires correction. What would your next step be: a. Perform mixed dentition analysis. b. Extract the deciduous teeth. c. Ask ... permanent dentition erupts. d. Apply a fixed appliance. e. Review in yearly intervals.

Last Answer : a. Perform mixed dentition analysis.

A 10 years-old child presents with crowding of the dentition and desires correction. What would your next step be: A. Perform mixed dentition analysis B. Extract the deciduous teeth C. Ask the patient to come after the deciduous teeth fall off and complete permanent dentition erupts D. Apply a fixed appliances E. Review in yearly intervals

Description : A 10 years-old child presents with crowding of the dentition and desires correction. What would your next step be: A. Perform mixed dentition analysis B. Extract the deciduous teeth C. Ask ... off and complete permanent dentition erupts D. Apply a fixed appliances E. Review in yearly intervals

Last Answer : A. Perform mixed dentition analysis

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

Last Answer : C. The cervical third

The optimum cavosurface angle for occlusal amalgam surface is: A. 45-60° B. 70-85° C. 45-80° D. 95-110° E. 130-150°

Description : The optimum cavosurface angle for occlusal amalgam surface is: A. 45-60° B. 70-85° C. 45-80° D. 95-110° E. 130-150°

Last Answer : D. 95-110°

An advantage of metal. ceramic crowns, compared wit full ceramic crowns for restoring anterior teeth is, A. Palatal reduction may be of minimal thickness. B. Overall conservative for tooth structure. C. Ability to watch the appearance of adjacent natural teeth. D. Less laboratory time.

Description : An advantage of metal. ceramic crowns, compared wit full ceramic crowns for restoring anterior teeth is, A. Palatal reduction may be of minimal thickness. B. Overall conservative for tooth structure. C. Ability to watch the appearance of adjacent natural teeth. D. Less laboratory time.

Last Answer : A. Palatal reduction may be of minimal thickness.

10 years-old boy looses a permanent mandibular molar; what is affected: A. Teeth adjacent to extracted teeth B. Teeth on both arches on same side C. The remaining teeth in the mouth D. Teeth directly opposite to the extracted tooth E. Teeth on the same quadrant

Description : 10 years-old boy looses a permanent mandibular molar; what is affected: A. Teeth adjacent to extracted teeth B. Teeth on both arches on same side C. The remaining teeth in the mouth D. Teeth directly opposite to the extracted tooth E. Teeth on the same quadrant

Last Answer : C. The remaining teeth in the mouth

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

An advantage of metal-ceramic crowns, compared wit full ceramic crowns for restoring anterior teeth is, A. Palatal reduction may be of minimal thickness B. Overall conservative for tooth structure C. Ability to watch the appearance of adjacent natural teeth D. Less laboratory time

Description : An advantage of metal-ceramic crowns, compared wit full ceramic crowns for restoring anterior teeth is, A. Palatal reduction may be of minimal thickness B. Overall conservative for tooth structure C. Ability to watch the appearance of adjacent natural teeth D. Less laboratory time

Last Answer : A. Palatal reduction may be of minimal thickness

Treatment of fibrous dysplasia consists of, A. Resection B. Complete excision if it affects small area; if it is large lesion, limited excision surgery because of the cosmetic considerations. C. Irradiation D. Excision and removal of adjacent teeth E. None of the above

Description : Treatment of fibrous dysplasia consists of, A. Resection B. Complete excision if it affects small area; if it is large lesion, limited excision surgery because of the cosmetic considerations. C. Irradiation D. Excision and removal of adjacent teeth E. None of the above

Last Answer : B. Complete excision if it affects small area; if it is large lesion, limited excision surgery because of the cosmetic considerations.

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 other C. The saddle is the area of the edentulous ridge over which the pontic will lie and comes in contact with pontic D. A pontic is an artificial tooth as part of a bridge

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

The difference between deciduous and permanent teeth is: A. Deciduous teeth have a higher pulp horns and larger pulp chambers B. Deciduous teeth have flatter contact areas C. Deciduous teeth have thinner enamel surface D. All of the above

Description : The difference between deciduous and permanent teeth is: A. Deciduous teeth have a higher pulp horns and larger pulp chambers B. Deciduous teeth have flatter contact areas C. Deciduous teeth have thinner enamel surface D. All of the above

Last Answer : D. All of the above

Which of the following is true regarding preparation of custom tray for elastomeric impression: a. Adhesive is preferred over perforation. b. Perforation provides adequate retention c. Adhesive is applied immediately before procedure d. Perforations are not made in the area over the prepared tooth .

Description : Which of the following is true regarding preparation of custom tray for elastomeric impression: a. Adhesive is preferred over perforation. b. Perforation provides adequate retention c. Adhesive is ... before procedure d. Perforations are not made in the area over the prepared tooth .

Last Answer : a. Adhesive is preferred over perforation.

.Which of the following is true regarding preparation of custom tray for elastomeric impression: A. Adhesive is preferred over perforation B. Perforation provides adequate retention C. Adhesive is applied immediately before procedure D. Perforations are not made in the area over the prepared tooth

Description : .Which of the following is true regarding preparation of custom tray for elastomeric impression: A. Adhesive is preferred over perforation B. Perforation provides adequate retention C. Adhesive is ... immediately before procedure D. Perforations are not made in the area over the prepared tooth

Last Answer : A. Adhesive is preferred over perforation

What is the relationship of the retentive portion of the partial dentures retainers to the survey line of abutment: A. Gingival /Below/ B. Occlusal /Above/ C. No relation

Description : What is the relationship of the retentive portion of the partial dentures retainers to the survey line of abutment: A. Gingival /Below/ B. Occlusal /Above/ C. No relation

Last Answer : A. Gingival /Below/

“Pop off” of a porcelain veneer from the under the lying gold crown is due to:** A. Too thick application of pure gold surface conditioner B. Contamination at the porcelain metal interface C. Under firing the opaque layer D. All of the above

Description : “Pop off” of a porcelain veneer from the under the lying gold crown is due to:** A. Too thick application of pure gold surface conditioner B. Contamination at the porcelain metal interface C. Under firing the opaque layer D. All of the above

Last Answer : B. Contamination at the porcelain metal interface

When you try to seat a crown on a tooth you find a discrepancy of 0.3mm at the margin; you will: A. Reduce inner surface of crown B. Remake a new crown C. Smooth the enamel at the margin D. Hand burnish crown margins

Description : When you try to seat a crown on a tooth you find a discrepancy of 0.3mm at the margin; you will: A. Reduce inner surface of crown B. Remake a new crown C. Smooth the enamel at the margin D. Hand burnish crown margins

Last Answer : B. Remake a new crown

Which one of the following is the major disadvantage of stone dies used for crown fabrication, A. They lack accurate reproduction of surface details B. Their overall dimensions are slightly smaller than the original impression C. The strength of the stone D. The hazard of aspiration of toxic materials during trimming of the dies.

Description : Which one of the following is the major disadvantage of stone dies used for crown fabrication, A. They lack accurate reproduction of surface details B. Their overall dimensions are slightly smaller than ... of the stone D. The hazard of aspiration of toxic materials during trimming of the dies.

Last Answer : A. They lack accurate reproduction of surface details

An adult patient with a history of bacterial endocarditis requires prophylactic administration of antibiotics prior to removal of teeth. Indicate the pre-operative regimen:** A. Amoxicillin 2 gram one hour before operation orally B. Penicillin 250 mg orally six hours before operation C. Tetracycline 250-500 mg orally 2 hours before treatment

Description : An adult patient with a history of bacterial endocarditis requires prophylactic administration of antibiotics prior to removal of teeth. Indicate the pre-operative regimen:** A. Amoxicillin 2 gram ... orally six hours before operation C. Tetracycline 250-500 mg orally 2 hours before treatment

Last Answer : A. Amoxicillin 2 gram one hour before operation orally

For preparation of a contour plan for a route survey (A) Method of squares is used (B) Method of trace contour is used (C) Method of cross profile is used (D) Indirect method of contouring is used

Description : For preparation of a contour plan for a route survey  (A) Method of squares is used  (B) Method of trace contour is used  (C) Method of cross profile is used  (D) Indirect method of contouring is used 

Last Answer : (C) Method of cross profile is used 

The main purpose of periodontal treatment is, A. Elimination of plaque and calculus B. Elimination of periodontal pockets C. Reformation of all the periodontal ligaments D. The elimination of all occlusal trauma

Description : The main purpose of periodontal treatment is, A. Elimination of plaque and calculus B. Elimination of periodontal pockets C. Reformation of all the periodontal ligaments D. The elimination of all occlusal trauma

Last Answer : A. Elimination of plaque and calculus

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.

Description : 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.

Last Answer : C. Anterior cranial plane