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

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

1 Answer

Answer :

A. minimise the leakage of restorations
by

Related questions

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

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

The effectiveness of the acid etch is dependent on which of the following factors: A. Material must be used to clean the surface of the tooth prior to etching B. The effectiveness of the itchant C. The chemical and physical nature of the tooth D. The area and surface of the enamel to be itched

Description : The effectiveness of the acid etch is dependent on which of the following factors: A. Material must be used to clean the surface of the tooth prior to etching B. The effectiveness of the itchant C. The chemical and physical nature of the tooth D. The area and surface of the enamel to be itched

Last Answer : C. The chemical and physical nature of the tooth

How can you improve the adhesion of a fissure sealant: A. Acid etching technique

Description : How can you improve the adhesion of a fissure sealant: A. Acid etching technique

Last Answer : A. Acid etching technique

With dentin bonding agent, you apply: A. First acid etching to dentine and then bonding agent B. Bonding agent directly to dentine C. Chelating agent (EDTA) and bonding agent

Description : With dentin bonding agent, you apply: A. First acid etching to dentine and then bonding agent B. Bonding agent directly to dentine C. Chelating agent (EDTA) and bonding agent

Last Answer : A. First acid etching to dentine and then bonding agent

.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.

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

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

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 

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

.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

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

Description : 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

Last Answer : B. Immediately after application

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

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

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

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.

Which of the following will NOT be used in determination of vertical dimension? a. Aesthetic b. Phonetics c. Gothic arch tracing. d. Swallowing

Description : Which of the following will NOT be used in determination of vertical dimension? a. Aesthetic b. Phonetics c. Gothic arch tracing. d. Swallowing

Last Answer : c. Gothic arch tracing.

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

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

Which of the following will NOT be used in the determination of vertical dimension: A. Aesthetic B. Phonetics C. Gothic arch tracing D. Swallowing

Description : Which of the following will NOT be used in the determination of vertical dimension: A. Aesthetic B. Phonetics C. Gothic arch tracing D. Swallowing

Last Answer : C. Gothic arch tracing

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

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

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

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

Why would you invest the wax pattern as soon as possible in an indirect inlay fabrication: A. Minimise distortion B. Avoid contraction C. Avoid expansion

Description : Why would you invest the wax pattern as soon as possible in an indirect inlay fabrication: A. Minimise distortion B. Avoid contraction C. Avoid expansion

Last Answer : A. Minimise distortion

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 extension base of the partial denture D. Minimise 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

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

Tissue conditioning materials: (Silicon lining materials) A. are more resilient than plastic acrylic B. can minimise any bacterial colonies

Description : Tissue conditioning materials: (Silicon lining materials) A. are more resilient than plastic acrylic B. can minimise any bacterial colonies

Last Answer : A. are more resilient than plastic acrylic

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

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

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 regard to marginal leakage in amalgam: A. The wider the gap the better the chance of secondary caries B. Seal the margin with fissure sealant would prevent further breakdown C. Secondary caries may develop

Description : In regard to marginal leakage in amalgam: A. The wider the gap the better the chance of secondary caries B. Seal the margin with fissure sealant would prevent further breakdown C. Secondary caries may develop

Last Answer : A. The wider the gap the better the chance of secondary caries

The function of varnish: A. To reduce initial marginal leakage “Short-term leakage” B. To prevent long term leakage

Description : The function of varnish: A. To reduce initial marginal leakage “Short-term leakage” B. To prevent long term leakage

Last Answer : A. To reduce initial marginal leakage “Short-term leakage”

Marginal leakage at the proximal gingival cavosurface of a recently restored class II can be caused by: I. Insufficient condensation II. First proximal increment was too large III. Neglecting to wedge the matrix IV. Hand manipulation instead of mechanical V. Debris contamination A. I, II, III B. II, III, IV C. I, II, V D. None of the above E. All of the above

Description : Marginal leakage at the proximal gingival cavosurface of a recently restored class II can be caused by: I. Insufficient condensation II. First proximal increment was too large III. Neglecting to wedge the matrix IV. Hand ... III, IV C. I, II, V D. None of the above E. All of the above

Last Answer : C. I, II, V

Which of the following is the best evidence that a previous periodontal treatment is successful? A. The patient keeps a 3 month recall appointment B. There is no extrinsic stain C. The patient demonstrates good understanding of brushing and flossing techniques D. There is no bleeding on probing

Description : Which of the following is the best evidence that a previous periodontal treatment is successful? A. The patient keeps a 3 month recall appointment B. There is no extrinsic stain C. The patient demonstrates good understanding of brushing and flossing techniques D. There is no bleeding on probing

Last Answer : D. There is no bleeding on probing

Which of the following statements concerning the use of radiography for children is incorrect? A. techniques are the same as those used in adults B. easier because of the smallness of the child’s mouth C. made difficult by the child’s nervousness and his tendency to gag D. helpful in overcoming some of these difficulties are consideratehandling of the child, the use of small size film and the use of ultra speed

Description : Which of the following statements concerning the use of radiography for children is incorrect? A. techniques are the same as those used in adults B. easier because of the smallness of the child' ... are consideratehandling of the child, the use of small size film and the use of ultra speed

Last Answer : B. easier because of the smallness of the child’s mouth

You can increase the retention of a Maryland bridge by: A. Incorporating mesh work in wax pattern B. Perforation techniques in the metal cast

Description : You can increase the retention of a Maryland bridge by: A. Incorporating mesh work in wax pattern B. Perforation techniques in the metal cast

Last Answer : A. Incorporating mesh work in wax pattern

Which is LEAST likely to cause bleeding after surgical operation: A. Antibiotic therapy B. Poor surgical techniques C. Aspirin D. Codeine

Description : Which is LEAST likely to cause bleeding after surgical operation: A. Antibiotic therapy B. Poor surgical techniques C. Aspirin D. Codeine

Last Answer : D. Codeine

What stencils do I use to etch glass mugs with Etching Cream?

Description : What stencils do I use to etch glass mugs with Etching Cream?

Last Answer : Need Answer

Etching of marble, limestone, jewellery , etc. is caused by pollutant

Description : Etching of marble, limestone, jewellery , etc. is caused by pollutant

Last Answer : Etching of marble, limestone, jewellery , etc. is caused by pollutant A. `CO_(2)` B. CO C. `SO_(2)` D. `CH_(4)`

Which can do glass etching?

Description : Which can do glass etching?

Last Answer : Which can do glass etching? A. A) `HlO_4 ` B. (B) HF C. (C) `HNO_3` D. (D) `SiF_4`

Is hydrofluoric acid attacking glass and etching designs in glass a physical change?

Description : Is hydrofluoric acid attacking glass and etching designs in glass a physical change?

Last Answer : No, it is a chemical change. The glass is changed into newsubstances where it is etched.

How To Make A Glass Etching

Description : How To Make A Glass Etching

Last Answer : When you walk through the halls of a furniture store, you will see a mirror that seems to hold a painting inside. When you approach the mirror, you will realize that the image is painted on the ... room with their classic beauty. Unveil yours to your friends and hear them give silent oohs and ahs.

Dry etching refers to removal of material, typically a masked pattern of semiconductor material, by exposing...

Description : Dry etching refers to removal of material, typically a masked pattern of semiconductor material, by exposing material to a bombardment of ions which contain (a) Plasma of nitrogen, chlorine and ... of nitrogen, phosphorous and boron trichloride (d) Plasma of nitrogen, chlorine and boron trioxide

Last Answer : Plasma of nitrogen, chlorine and boron trichloride. Other gases include argon and helium.

Ankylotic primary second molar in the mandible is not always a good space maintainer because of: a. Mesial inclination of the 1st permanent molar. b. It does not keep up with the rest of occlusion. c.Dull on percussion.

Description : Ankylotic primary second molar in the mandible is not always a good space maintainer because of: a. Mesial inclination of the 1st permanent molar. b. It does not keep up with the rest of occlusion. c.Dull on percussion.

Last Answer : b. It does not keep up with the rest of occlusion.

In regard to periapical lesions, what is TRUE: A. Are predominantly anaerobic B. Must be treated by antibiotics C. Must always treated by surgery

Description : In regard to periapical lesions, what is TRUE: A. Are predominantly anaerobic B. Must be treated by antibiotics C. Must always treated by surgery

Last Answer : A. Are predominantly anaerobic

Pigmented naevus can undergo malignant: A. Always B. Never C. 10 to 15%

Description : Pigmented naevus can undergo malignant: A. Always B. Never C. 10 to 15%

Last Answer : B. Never

What is TRUE in regard to oral lesions of reticular lichen planus: A. Never accompanied with skin lesions B. Always accompanied with skin lesions C. Lesions may present anywhere D. Lesions may present on legs E. Lesions may present on arms

Description : What is TRUE in regard to oral lesions of reticular lichen planus: A. Never accompanied with skin lesions B. Always accompanied with skin lesions C. Lesions may present anywhere D. Lesions may present on legs E. Lesions may present on arms

Last Answer : D. Lesions may present on legs E. Lesions may present on arms

Two successive negative cultures are: A. Absolutely necessary for successful endodontic treatment B. Not always necessary for successful endodontic treatment C. Not questioned today as a dogmatic requirement in endodontics D. Unquestioningly it adhered for successful endodontic treatment E. None of the above

Description : Two successive negative cultures are: A. Absolutely necessary for successful endodontic treatment B. Not always necessary for successful endodontic treatment C. Not questioned today as a dogmatic ... D. Unquestioningly it adhered for successful endodontic treatment E. None of the above

Last Answer : B. Not always necessary for successful endodontic treatment

The vertical incision of a mucoperiostal flap should: A. Always extend to the alveolar mucoperiostal B. Bisect the middle of gingival papillae C. Be at the right angle of the tooth

Description : The vertical incision of a mucoperiostal flap should: A. Always extend to the alveolar mucoperiostal B. Bisect the middle of gingival papillae C. Be at the right angle of the tooth

Last Answer : A. Always extend to the alveolar mucoperiostal

Which one of the following is true about oral hairy leukoplakia?** ADC M07 A. Associated with HIV virus infection and is commonly seen on the dorsal of the tongue B. Associated with HIV virus infection and is commonly seen on the lateral side of the tongue C. Usually caused by Candida species D. Always associated with trauma to the lateral side of the tongue E. Always associated with pernicious anaemia

Description : Which one of the following is true about oral hairy leukoplakia?** ADC M07 A. Associated with HIV virus infection and is commonly seen on the dorsal of the tongue B. Associated with HIV ... Always associated with trauma to the lateral side of the tongue E. Always associated with pernicious anaemia

Last Answer : B. Associated with HIV virus infection and is commonly seen on the lateral side of the tongue C. Usually caused by Candida species

Actual lift of a pump is always less than the theoretical lift and is limited by the (A) Specific gravity & temperature of the liquid (B) Leakage & pressure decreasing at higher elevations (C) Frictional resistance through pipes, fittings & passages (D) All (A), (B) and (C)

Description : Actual lift of a pump is always less than the theoretical lift and is limited by the (A) Specific gravity & temperature of the liquid (B) Leakage & pressure decreasing at higher elevations (C) Frictional resistance through pipes, fittings & passages (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)