Class V composite resin restorations can be polished, A. 24 hours after application B. Immediately after application C. 3 to 4 days D. 3 to 4 weeks E. Not at all

Class V composite resin restorations can be polished,
A. 24 hours after application
B. Immediately after application
C. 3 to 4 days
D. 3 to 4 weeks
E. Not at all
by

1 Answer

Answer :

B. Immediately after application
by

Related questions

When do you finish composite resin restorations: A. Immediately after curing B. After 24 hours C. A week after placement

Description : When do you finish composite resin restorations: A. Immediately after curing B. After 24 hours C. A week after placement

Last Answer : A. Immediately after curing

.In which class of cavities do composite restorations show most durability: A. I B. II C. IV D. III E. V

Description : .In which class of cavities do composite restorations show most durability: A. I B. II C. IV D. III E. V

Last Answer : D. III

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

Longest lasting resin restorations are, A. Class I B. Class II C. Class III D. Class IV

Description : Longest lasting resin restorations are,  A. Class I   B. Class II  C. Class III  D. Class IV 

Last Answer : C. Class III 

A seven years-old boy fell off his bicycle 2 weeks ago and broke his maxillary central incisor. The pulp horn is visible as a pin point. The tooth is vital. Your treatment will be: A. Pulpectomy B. Place calcium hydroxide and fill with composite resin C. Calcium hydroxide pulpotomy

Description : A seven years-old boy fell off his bicycle 2 weeks ago and broke his maxillary central incisor. The pulp horn is visible as a pin point. The tooth is vital. Your treatment will be: A. Pulpectomy B. Place calcium hydroxide and fill with composite resin C. Calcium hydroxide pulpotomy

Last Answer : C. Calcium hydroxide pulpotomy

Why do you itch enamel for composite restorations: A. To increase surface area B. To decrease surface area C. Does not really change the surface area D. Increase the chemical bonding capability E. Decrease the chemical bonding capability

Description : Why do you itch enamel for composite restorations: A. To increase surface area B. To decrease surface area C. Does not really change the surface area D. Increase the chemical bonding capability E. Decrease the chemical bonding capability

Last Answer : A. To increase surface area

.What is the percentage of the echant agent used with composit resin restorations? a . 37% of phosphoric acid in water. b. 15% c. 18.5% d. 41%

Description : .What is the percentage of the echant agent used with composit resin restorations? a . 37% of phosphoric acid in water. b. 15% c. 18.5% d. 41%

Last Answer : a . 37% of phosphoric acid in water.

Occasional sensitivity in a shallow class I amalgam restoration after two days would be managed by: A. Replace old filing immediately B. Oxide Zinc and eugenol C. Using thicker mix of cements D. Tell patient the discomfort will disappear after 4 t o6 weeks E. Ledermix

Description : Occasional sensitivity in a shallow class I amalgam restoration after two days would be managed by: A. Replace old filing immediately B. Oxide Zinc and eugenol C. Using thicker mix of cements D. Tell patient the discomfort will disappear after 4 t o6 weeks E. Ledermix

Last Answer : D. Tell patient the discomfort will disappear after 4 t o6 weeks

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

Sensitivity to hot and cold foods soon after cavity preparation and placement of GIC and composite resin in an upper incisor tooth is due to: A. Mechanical trauma due to cavity preparation B. Chemical C. Heat from GIC settings

Description : Sensitivity to hot and cold foods soon after cavity preparation and placement of GIC and composite resin in an upper incisor tooth is due to: A. Mechanical trauma due to cavity preparation B. Chemical C. Heat from GIC settings

Last Answer : A. Mechanical trauma due to cavity preparation

Etching a hybrid glass ionomer-composite a. is necessary for composite resin bonding b. is not necessary for composite resin bonding c. is necessary for adding a glass ionomer cement for repair d. is not necessary for adding a glass ionomer cement for repair e. a 3-5 second etch with 10% phosphoric acid is recommended

Description : Etching a hybrid glass ionomer-composite a. is necessary for composite resin bonding b. is not necessary for composite resin bonding c. is necessary for adding a glass ionomer cement for repair ... glass ionomer cement for repair e. a 3-5 second etch with 10% phosphoric acid is recommended

Last Answer : b. is not necessary for composite resin bonding

A patient comes to you with medium pain of tooth filled with Composite resin as a result of cold or hot drinks, what will your initial management be, A. Remove the restorative material and start an Endontic treatment B. Remove the restorative material and place a sedative temporary material C. Place a coat of bonding material on the old composite

Description : A patient comes to you with medium pain of tooth filled with Composite resin as a result of cold or hot drinks, what will your initial management be, A. Remove the restorative material and ... material and place a sedative temporary material C. Place a coat of bonding material on the old composite

Last Answer : B. Remove the restorative material and place a sedative temporary material

When incrementally placing a large composite resin restoration, what effect does an air-inhibited layer on the surface of the first increment have on the bond between the first and the second increments? A. It has no effect on the bond B. It is desirable and improves the bond C. It is undesirable and should be removed

Description : When incrementally placing a large composite resin restoration, what effect does an air-inhibited layer on the surface of the first increment have on the bond between the first and the second increments? A. ... B. It is desirable and improves the bond C. It is undesirable and should be removed

Last Answer : B. It is desirable and improves the bond

On examination of a composite restoration you find a dark attain: A. Replace the composite B. Repair with unfilled resin C. Apply topical fluoride at the margin

Description : On examination of a composite restoration you find a dark attain: A. Replace the composite B. Repair with unfilled resin C. Apply topical fluoride at the margin

Last Answer : A. Replace the composite

In a posterior vital molar with a core the best material to restore is: A. Amalgam B. Composite resin C. GIC

Description : In a posterior vital molar with a core the best material to restore is: A. Amalgam B. Composite resin C. GIC

Last Answer : A. Amalgam

Which material is not compatible with composite resin: A. Zinc Oxide eugenol (ZOE) B. Ca(OH)2 C. Carboxylate D. Zinc phosphate cement

Description : Which material is not compatible with composite resin: A. Zinc Oxide eugenol (ZOE) B. Ca(OH)2 C. Carboxylate D. Zinc phosphate cement

Last Answer : A. Zinc Oxide eugenol (ZOE)

Which of the following restoration material’s strength is not effected by pins: A. Amalgam B. Composite resin

Description : Which of the following restoration material’s strength is not effected by pins: A. Amalgam B. Composite resin

Last Answer : B. Composite resin

What is the advantage of composite over silicate resin: A. Less shrinkage B. Less surface erosion C. Less water absorption D. All of the above

Description : What is the advantage of composite over silicate resin: A. Less shrinkage B. Less surface erosion C. Less water absorption D. All of the above

Last Answer : D. All of the above

What is the most common fracture of Class II amalgam restorations: A. Isthmus because of insufficient depth B. Internal fracture C. Marginal ridge site

Description : What is the most common fracture of Class II amalgam restorations: A. Isthmus because of insufficient depth B. Internal fracture C. Marginal ridge site

Last Answer : A. Isthmus because of insufficient depth

Why can Class IV gold not be used in cavity as a filling material: A. Can not be polished “burnished” B. The corrosive properties

Description : Why can Class IV gold not be used in cavity as a filling material: A. Can not be polished “burnished” B. The corrosive properties

Last Answer : A. Can not be polished “burnished”

Corrosion and discolouration of amalgam restorations is usually caused by: A. Sulphur oxides B. Oxygen C. Chlorides D. Over trituration

Description : Corrosion and discolouration of amalgam restorations is usually caused by: A. Sulphur oxides B. Oxygen C. Chlorides D. Over trituration

Last Answer : A. Sulphur oxides

Etching techniques are used always to: A. minimise the leakage of restorations B. for aesthetic considerations

Description : Etching techniques are used always to: A. minimise the leakage of restorations B. for aesthetic considerations

Last Answer : A. minimise the leakage of restorations

What is true about Angioneurotic oedema, A. Puffiness around the eyes, oedema of the upper lip with redness and dryness B. Caused by several deep restorations in the anterior teeth C. There is no caries, negative thermal tests, negative percussion and negative response to palpation

Description : What is true about Angioneurotic oedema, A. Puffiness around the eyes, oedema of the upper lip with redness and dryness B. Caused by several deep restorations in the anterior teeth C. There is no caries, negative thermal tests, negative percussion and negative response to palpation

Last Answer : A. Puffiness around the eyes, oedema of the upper lip with redness and dryness B. Caused by several deep restorations in the anterior teeth

Which of the following statement about the defective margins of amalgam restorations is true?+M07 A. The larger the breakdown, the greater the chance of decay. IF THERE IS MARGINAL BREAKDOWN THIS DOSNT NECESSITATE THE PRESENCE OF CARIES ALONG MARGIN So the ans is Chances are increased

Description : Which of the following statement about the defective margins of amalgam restorations is true?+M07 A. The larger the breakdown, the greater the chance of decay. IF THERE IS MARGINAL BREAKDOWN THIS DOSNT NECESSITATE THE PRESENCE OF CARIES ALONG MARGIN So the ans is Chances are increased

Last Answer : A. The larger the breakdown, the greater the chance of decay.

Patient has hot and cold sensation and pain on percussion after the filling of class III Cavity with GIC base and composite. What will be possible cause – 1) bacterial microleakage 2) mechanical trauma of cavity cutting 3) Exothermic reaction while setting GIC

Description : Patient has hot and cold sensation and pain on percussion after the filling of class III Cavity with GIC base and composite. What will be possible cause – 1) bacterial microleakage 2) mechanical trauma of cavity cutting 3) Exothermic reaction while setting GIC

Last Answer : 2) mechanical trauma of cavity cutting

Where can we see long lasting composit resin? a. Class III. b. Class II c. ClassV

Description : Where can we see long lasting composit resin? a. Class III. b. Class II c. ClassV

Last Answer : a. Class III.

Patient with class II division II; the lateral incisor is missing. You want to make a fixed bridge which of the following is suitable: A. Rocket bridge using central incisor as abutment (rochette bridge resin retained bridge parecido al Maryland B. Cantilever using central incisor C. Fixed bridge using the central incisor and bicuspid

Description : Patient with class II division II; the lateral incisor is missing. You want to make a fixed bridge which of the following is suitable: A. Rocket bridge using central incisor as abutment ( ... al Maryland B. Cantilever using central incisor C. Fixed bridge using the central incisor and bicuspid

Last Answer : B. Cantilever using central incisor

When preparing a class III cavity for composite restoration; in which situation should acid itching be used: A. Always should be performed to minimise marginal leakage B. Should not be performed because it might damage the adjacent tooth C. When extra retention is required D. Only in situations where cavity is shallow to avoid pulp irritation

Description : When preparing a class III cavity for composite restoration; in which situation should acid itching be used: A. Always should be performed to minimise marginal leakage B. Should not be ... extra retention is required D. Only in situations where cavity is shallow to avoid pulp irritation

Last Answer : A. Always should be performed to minimise marginal leakage

An old male presents complaining of having numerous white lesions in the oral cavity within past few days. Prior to this the family physician prescribed chlorite tetracycline for an upper respiratory infection, the patient is taking this antibiotic for the past two weeks; lesions are relatively non-painful, slightly elevated, adhered plaques on the lip mucosa, buccal mucosa and the tongue. MOST LIKELY to be:

Description : An old male presents complaining of having numerous white lesions in the oral cavity within past  few days. Prior to this the family physician prescribed chlorite tetracycline for an upper  respiratory infection, ... plaques on the lip mucosa, buccal mucosa and  the tongue. MOST LIKELY to be: 

Last Answer : Moniliasis (Which is candidiasis) 

In regard to third molar surgery: A. Maximum swelling is seen after 24-48 hours B. Prophylactic antibiotic will reduce swelling C. Antibiotic cover is compulsory

Description : In regard to third molar surgery: A. Maximum swelling is seen after 24-48 hours B. Prophylactic antibiotic will reduce swelling C. Antibiotic cover is compulsory

Last Answer : A. Maximum swelling is seen after 24-48 hours

What is the best way to cement Maryland bridge, A. GIC B. Resin C. High compression restorative resin D. Zinc Phosphate cement E. Oxide Zinc and eugenol

Description : What is the best way to cement Maryland bridge, A. GIC B. Resin C. High compression restorative resin D. Zinc Phosphate cement E. Oxide Zinc and eugenol

Last Answer : B. Resin

In 3rd generation dentin bonding agents, HEMA (Hydroxyethylmethacrylate) is 1. a hydrophilic monomer that wets the dentinal surface 2. a hydrophilic resin that forms a ”hybrid” layer by chemically reacting the intertubular dentin. 3. a hydrophilic monomer that alters collagen to promote cross linking of collagen to dentin. 4. a bifunctional molecule resin that copolymerizes to bis-GMA resins. a. 1,2 b. 1,4 c. 2,3 d. 1,3 e. 3,4

Description : In 3rd generation dentin bonding agents, HEMA (Hydroxyethylmethacrylate) is 1. a hydrophilic monomer that wets the dentinal surface 2. a hydrophilic resin that forms a hybrid layer by chemically reacting the intertubular dentin. 3. a hydrophilic ... a. 1,2 b. 1,4 c. 2,3 d. 1,3 e. 3,4

Last Answer : b. 1,4

What happens to etched composite resins after setting: A. Expand B. Contract C. Contract and expand

Description : What happens to etched composite resins after setting: A. Expand B. Contract C. Contract and expand

Last Answer : B. Contract

When considering visible light cured composites, which of the following statements is incorrect? A. An air-inhibited layer is present superficially on the composite. B. The wavelength of the light which affects the initiator is in the range of 450 to 500 nanometers. C. All other things equal. The light generally penetrates deeper into a small-particle composite than it does into a microfilled composite. (smaller particles absorb more light) D. B and C E. All are true

Description : When considering visible light cured composites, which of the following statements is incorrect? A. An air-inhibited layer is present superficially on the composite. B. The wavelength of the light which affects ... composite. (smaller particles absorb more light) D. B and C E. All are true

Last Answer : E. All are true

A major difference between light cured and chemical cured composite is that during setting or in function the light cured material tends to:******** VERY IMP A. Seal the margins better and completely B. Exhibit less wear on time C. Undergo greater colour change D. Shrink more rapidly E. Posses greater fracture toughness

Description : A major difference between light cured and chemical cured composite is that during setting or in function the light cured material tends to:******** VERY IMP A. Seal the margins better and ... on time C. Undergo greater colour change D. Shrink more rapidly E. Posses greater fracture toughness

Last Answer : D. Shrink more rapidly

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 of the resin. C. Produces porosity on the surface of the resin. D. Prevents porosity on the interior of the resin

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.

Where do Maryland bridges lose retention often: A. Resin-metal B. Resin enamel C. Resin layer

Description : Where do Maryland bridges lose retention often: A. Resin-metal B. Resin enamel C. Resin layer

Last Answer : A. Resin-metal

.In regard to the glass of quartz particles of filling restorative resin; the microfill resins tend to have, A. A higher coefficient of thermal expansion and a higher crashing strength B. A higher coefficient of thermal expansion and a lower crashing strength C. A lower coefficient of thermal expansion and a higher crashing strength D. A lower coefficient of thermal expansion and a lower crashing strength

Description : .In regard to the glass of quartz particles of filling restorative resin; the microfill resins tend to have, A. A higher coefficient of thermal expansion and a higher crashing strength B. ... and a higher crashing strength D. A lower coefficient of thermal expansion and a lower crashing strength

Last Answer : B. A higher coefficient of thermal expansion and a lower crashing strength

The un-polymerized monomer in Self-cured resin is approximately:** A. 0.5% B. 2.5% C. 5% D. 10%

Description : The un-polymerized monomer in Self-cured resin is approximately:** A. 0.5% B. 2.5% C. 5% D. 10%

Last Answer : C. 5%

Which of the following is NOT a characteristic of glass ionomer cements? a. strong in compression but weaker in tension True b. the matrix is formed during the initial set of the cement c. sets via an ion exchange reaction that continues for at least 24 hours true d. suitable for use as a core build up material in anterior teeth

Description : Which of the following is NOT a characteristic of glass ionomer cements? a. strong in compression but weaker in tension True b. the matrix is formed during the initial set of the cement c. sets via ... for at least 24 hours true d. suitable for use as a core build up material in anterior teeth

Last Answer : d. suitable for use as a core build up material in anterior teeth

In syphilis: A. Primary lesion is not contagious B. Oral lesions are not seen in less than 1% C. Spirochetes disseminate in 24 hours

Description : In syphilis: A. Primary lesion is not contagious B. Oral lesions are not seen in less than 1% C. Spirochetes disseminate in 24 hours

Last Answer : C. Spirochetes disseminate in 24 hours

Which of the following is true in relation to dental decay? A. Foods that require vigorous mastication will increase salivary flow and reduce PH B. Tooth brushing immediately after meals is most effective because demineralisation has already started C. Food that encourage the mastication will increase the number of lymphocytes in saliva and thus reduce decay D. Vigorous mastication will increase plaque PH and lead to reduce of decays E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation

Description : Which of the following is true in relation to dental decay? A. Foods that require vigorous mastication will increase salivary flow and reduce PH B. Tooth brushing immediately after meals is most ... E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation

Last Answer : E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation

Which one of this restorative methods will be LEAST compromised by a core, A. Amalgam B. Composite C. GIC D. Cast gold

Description : Which one of this restorative methods will be LEAST compromised by a core, A. Amalgam B. Composite C. GIC D. Cast gold

Last Answer : D. Cast gold

A patient complains of sensitivity, on examination you find a composite filling restoring a good cavity preparation without any secondary caries; what is your next step: A. Extirpate the pulp that is obviously inflamed B. Place ZOE dressing to sedate the pulp C. Ask patient to come back in six months D. Repeat restoration

Description : A patient complains of sensitivity, on examination you find a composite filling restoring a good cavity preparation without any secondary caries; what is your next step: A. Extirpate the pulp that is obviously ... to sedate the pulp C. Ask patient to come back in six months D. Repeat restoration

Last Answer : B. Place ZOE dressing to sedate the pulp

When is a gingival groove LEAST required: A. When restoring with GIC for abrasion B. When restoring with GIC for root caries C. When restoring with GIC base and composite lamination D. When restoring with amalgam

Description : When is a gingival groove LEAST required: A. When restoring with GIC for abrasion B. When restoring with GIC for root caries C. When restoring with GIC base and composite lamination D. When restoring with amalgam

Last Answer : C. When restoring with GIC base and composite lamination

What is an important requisite for fillers in dental composite restorative resins in load bearing areas: A. Sub micro sized particles B. High coefficient of thermal expansion C. High in content (High filler)

Description : What is an important requisite for fillers in dental composite restorative resins in load bearing areas: A. Sub micro sized particles B. High coefficient of thermal expansion C. High in content (High filler)

Last Answer : C. High in content (High filler)

A patient has a small incisal fracture of the maxillary incisor. Which is the best material to resist fracture at the acid etched tooth composite interface: A. Micro-filled composite B. Hybrid composite C. GIC D. Silicate

Description : A patient has a small incisal fracture of the maxillary incisor. Which is the best material to resist fracture at the acid etched tooth composite interface: A. Micro-filled composite B. Hybrid composite C. GIC D. Silicate

Last Answer : B. Hybrid composite

Which of the following is the most significant factor regarding filler in composite for increased strength: A. Particle size 1-3 micron B. Sub micron sized particles C. High concentration of the filler particles

Description : Which of the following is the most significant factor regarding filler in composite for increased strength: A. Particle size 1-3 micron B. Sub micron sized particles C. High concentration of the filler particles

Last Answer : C. High concentration of the filler particles

Pin Restoration with which material has the best retention: A. Amalgam B. Gold inlay C. Composite D. Glass Ionomer

Description : Pin Restoration with which material has the best retention:  A. Amalgam  B. Gold inlay  C. Composite  D. Glass Ionomer 

Last Answer : C. Composite