The technique of placing guttapercha cones against the root canal walls providing space for additional guttapercha is termed: A. Lateral Condensation B. One major Gutta Percha point C. Laterally above condensed

The technique of placing guttapercha cones against the root canal walls providing space for  additional guttapercha is termed:
A. Lateral Condensation
B. One major Gutta Percha point
C. Laterally above condensed
by

1 Answer

Answer :

A. Lateral Condensation
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Related questions

The method you will use to fill root canal of maxillary lateral incisor is: A. One major Gutta Percha cone B. Laterally condensed C. Laterally above condensed

Description : The method you will use to fill root canal of maxillary lateral incisor is: A. One major Gutta Percha cone B. Laterally condensed C. Laterally above condensed

Last Answer : B. Laterally condensed

The sterilisation of Gutta Percha is achieved by: a. Heat. b. Chemical sterilisation. c. Flame. d. Boiling. e. Autoclave.

Description : The sterilisation of Gutta Percha is achieved by: a. Heat. b. Chemical sterilisation. c. Flame. d. Boiling. e. Autoclave.

Last Answer : b. Chemical sterilisation.

On an X ray you find the Gutta Percha cone extending 1mm beyond the apex without any symptoms, what would you do: A. Remove restoration material until you are able to withdraw the Gutta Percha cone B. Apiectomy C. Leave as is until any complications occur

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Last Answer : C. Leave as is until any complications occur

The sterilisation of Gutta Percha is achieved by: A. Heat B. Chemical sterilisation C. Flame D. Boiling E. Autoclave

Description : The sterilisation of Gutta Percha is achieved by:  A. Heat  B. Chemical sterilisation  C. Flame  D. Boiling  E. Autoclave 

Last Answer : B. Chemical sterilisation 

The term TUGback is related to ( “When used in connection with a master Gutta Percha cone in endodontics)” : A. Tensile strength of the gutta percha B. Consistency of gutta percha C. Size of the cone D. Fit of the cone in the apical 1 or 2 mm E. Length of the cone

Description : The term TUGback is related to ( “When used in connection with a master Gutta Percha cone in endodontics)” : A. Tensile strength of the gutta percha B. Consistency of gutta percha C. Size of the cone D. Fit of the cone in the apical 1 or 2 mm E. Length of the cone

Last Answer : D. Fit of the cone in the apical 1 or 2 mm

The obturating material of choice for primary teeth following complete pulpectomy is, A. Zn phosphate cement and formcresol combination paste B. Quick setting hydroxide cement C. Zinc oxide and eugenol cement D. Gutta-percha E. Polycarboxylate cement

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Last Answer : C. Zinc oxide and eugenol cement

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

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

Gutta percha rubber is (A) Soft & tacky at room temperature (B) An isomer of natural rubber (C) A thermosetting resin (D) Recovered by coagulation of rubber latex

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Last Answer : (B) An isomer of natural rubber

A large amalgam core is to be condensed around several pins in a vital molar tooth; what type of amalgam mix would you prefer: A. A large mix to ensure homogeneity B. A large with extra mercury to give easier manipulative qualities C. Several small mixes, sequentially triturated D. Several small mixes with varying mercury/alloy ratios E. A basic mix to which additional mercury is added as needed

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Last Answer : C. Several small mixes, sequentially triturated

What is NOT characteristic of root canal filing materials (“obturation material”) A. Tacky adhesive to walls B. Radio opaque C. Not irritating D. Quick in setting

Description : What is NOT characteristic of root canal filing materials (“obturation material”) A. Tacky adhesive to walls B. Radio opaque C. Not irritating D. Quick in setting

Last Answer : D. Quick in setting

The principal reasons for placing a gingival interproximal wedge in conjunction with a matrix for amalgam condensation are to: 1. separate the teeth slightly 2. keep the band tight at the gingival margin 3. contribute to the interproximal contact of the restoration 4. retract the gingival tissue a. 1,2,3 b. 1,2,4 c. 2,3,4 d. 1,3,4 e. all of the above

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Last Answer : e. all of the above

In removable partial dentures, the principle of an indirect retainer is that it: a. Stabilises against lateral movement b. Prevents settling of major connectors c. Restricts tissue movement at the distal extension base of the partial denture. d. Minimises movement of the base away from the supporting tissue

Description : In removable partial dentures, the principle of an indirect retainer is that it: a. Stabilises against lateral movement b. Prevents settling of major connectors c. Restricts tissue movement at ... base of the partial denture. d. Minimises movement of the base away from the supporting tissue

Last Answer : d. Minimises movement of the base away from the supporting tissue

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

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Last Answer : D. Minimise movement of the base away from the supporting tissue

The cause of development of lateral canals is: A. Cracks in Hertwig’s epithelial root sheath

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Last Answer : A. Cracks in Hertwig’s epithelial root sheath

.Lateral canals are usually found at: A. The middle of the root B. First third of the root close to the crown C. The apical third

Description : .Lateral canals are usually found at: A. The middle of the root B. First third of the root close to the crown C. The apical third

Last Answer : C. The apical third

The globe: a. is closer to the orbital floor than the roof b. is closer to the lateral wall of the orbital cavity than to medial wall c. has a vertical diameter less than the anteroposterior diameter d. has an anterior segment which form 1/4 of the circumference e is least protected laterally

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Last Answer : is closer to the lateral wall of the orbital cavity than to medial wall

The less mercury remaining in condensed amalgam: A. The stronger the restoration which contains fewer matrix alloys and fewer voids B. The weaker the restoration C. The more matrix alloys D. The more voids E. None of the above

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Last Answer : A. The stronger the restoration which contains fewer matrix alloys and fewer voids

Two central incisors on a radiograph are showing with what looks like eye drop radiolucency. You decided to start endodontic treatment on these teeth but when you tried to open access to the root canal you find clearly closed orifices with what look like secondary dentine. What is your initial management? A. Leave as it and start a permanent restoration. B. Start systemic antibiotic C. Try to ream and file canals

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Last Answer : C. Try to ream and file canals

On an X ray you find the cement of the previous root canal treatment is extending 1mm beyond the apex without any symptoms; what would you do: A. Remove restoration material and retreat B. Apiectomy C. Leave as is until any complications occur

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To achieve optimum cavity preparation, which of the following factors of internal anatomy must be considered in root canal treatment: A. Outline form B. The age and shape of pulp chamber; in addition to the direction of individual root canals. C. Internal external relationship D. Intra-coronal preparation E. None of the above

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Last Answer : B. The age and shape of pulp chamber; in addition to the direction of individual root canals.

X rays are used in endodontic treatment to: A. Aid in the diagnosis of periapical hard tissue lesion B. Determine the number, location, shape, size and direction of roots and root canals C. Confirm the length of root canals D. Evaluate the adequacy of the complete root canal filling E. All of the above

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Last Answer : E. All of the above

What indicates for a periapical surgery: A. Where performing an endodontic treatment on existing root canal filling may lead to fracture of the root B. When root canal treatment is faulty C. When there is danger of involving other structures D. When the bony defect is so extensive that the edges of the incisors will collapse E. None of the above

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Last Answer : A. Where performing an endodontic treatment on existing root canal filling may lead to fracture of the root

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Last Answer : B. Immobilisation

Treatment of gangrenous tooth: A. Pulp capping B. Root canal therapy C. Pulpotomy

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Last Answer : B. Root canal therapy

Mesiobuccal root of maxillary first molars MOST COMMONLY have: A. One canal with one foreman B. One or two canals with one foreman C. Two canals with one foreman D. Two canals with two foramen

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Last Answer : D. Two canals with two foramen

A child with a fracture of a tooth at the apical third of the root, what would be your first decision: A. Wait and recall after one month and observe for any necrotic or radiolucency B. Root canal treatment C. Extraction D. Apiectomy

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Last Answer : A. Wait and recall after one month and observe for any necrotic or radiolucency

Swelling after RCT is mainly caused by (Being asked as: What is the most frequent cause of pain which occurs several days after obturation?, too): A. Entrapped Bacteria, or the presence of bacteria in the periapical region. B. Underfilling the root canal system C. Overfilled root canal

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Last Answer : A. Entrapped Bacteria, or the presence of bacteria in the periapical region.

The most common cause of RCT “Root Canal Treatment” failure is: A. The canal not filled completely (Short obturation) B. Over filled canals

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Last Answer : A. The canal not filled completely (Short obturation)

What is the main function of EDTA in endodontics? A. Decalcification of dentine B. Cleaning debris from root canal

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Last Answer : A. Decalcification of dentine

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

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

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

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

The number of damaged gingival tissues after placing rubber dam is greater if: A. The distance between holes is too big B. The distance between holes is too small C. The punctured holes are too big in size D. Not using lubricant when placing rubber dams

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After completing pulp extirpation, debridement and placing a dressing; apical periodontitis is because: A. Over instrumentation extending into periapical area B. Irritation from chemicals used C. Entrapped bacteria D. One or any combination of the above

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The most accurate way to evaluate the effectiveness of root planning is by: A. Inspect the root surface with an instrument for root smoothness B. Use air for visual inspection C. Activate a curette against root surface and listen for a high pitched sound which indicates a smooth, hard surface. D. Evaluate the soft tissue at the end of the appointment for a decrease oedema and bleeding E. Evaluate the soft tissues 10 to 14 days later.

Description : The most accurate way to evaluate the effectiveness of root planning is by: A. Inspect the root surface with an instrument for root smoothness B. Use air for visual inspection C. Activate a ... the appointment for a decrease oedema and bleeding E. Evaluate the soft tissues 10 to 14 days later.

Last Answer : E. Evaluate the soft tissues 10 to 14 days later.

How can you exceed your customer's expectations? A. By changing the appearance of the product regularly B. By providing something unique in the way you offer the service, either in the nature of the service or the energy with which you offer it C. By providing huge discounts on your products or services D. By placing reviews prominently on your website

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Last Answer : B. By providing something unique in the way you offer the service, either in the nature of the service or the energy with which you offer it

The retinal pigment epithelium cells: a. esterify and store excess retinol b. transport retinol binding protein from blood to subretinal space c. are secured laterally to each other by tight junction d. all above

Description : The retinal pigment epithelium cells: a. esterify and store excess retinol b. transport retinol binding protein from blood to subretinal space c. are secured laterally to each other by tight junction d. all above

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Burnishing the amalgam after carving, what is the benefit? a.Completing the condensation at the marginal edges. b.eleminating excessive mercury

Description : Burnishing the amalgam after carving, what is the benefit? a.Completing the condensation at the marginal edges. b.eleminating excessive mercury

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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

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

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Last Answer : C. I, II, V

Which impression material should NOT be kept in water within on hour: (in another paper it was: 30 mins before pouring) A. Polyether B. Condensation silicone C. Polyvinyl silicone

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Last Answer : A. Polyether 

The most common cause of porosity in porcelain jacket crowns is, A. Moisture contamination B. Excessive firing temperature C. Failure to anneal the platinum matrix D. Excessive condensation of the porcelain E. Inadequate condensation of the porcelain

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Last Answer : E. Inadequate condensation of the porcelain

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

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Last Answer : D. Vinyl polysiloxane

Rough surface/Porosity of porcelain is a result of: A. Lack of compression/ condensation B. Sudden high temperature

Description : Rough surface/Porosity of porcelain is a result of: A. Lack of compression/ condensation B. Sudden high temperature

Last Answer : A. Lack of compression/ condensation

In regard to indirect compared to direct wax technique, what characteristics must the wax have:** A. Low temperature solidifying point B. Hard in room temperature C. Higher flow in room temperature

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On inspection of lateral boarder of the tongue at the base, which structure would you expect to find: a. Filiform papillae. b. Fungiform papillae. c. Taste buds. d. Lymph nodes. e. Circumvallate papillae.

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Last Answer : d. Lymph nodes.

In testing for mobility, which of the following statement is true: a.Heavy pressure must sometimes be used to test mobility. b.Only lateral mobility is significant in diagnosis and treatment of chronic inflammatory periodontal disease. c.Hyper mobility indicates that the tooth supporting structure have been weakened. d.During the periodontal examination each tooth should be tested individually for hyper mobility.

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Last Answer : d.During the periodontal examination each tooth should be tested individually for hyper mobility.

The best method to take X-ray of the maxillary sinus is, A. Periapical radiograph B. Panoramic view C. Lateral cephaloghraph D. Occipitomental view E. Reverse Towne’s view

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When the neck of the condyle is fractured; what muscle determines the movement of the superior segment: A. Lateral pterygoid B. Medial pterygoid C. Masseter D. Temporalis E. Mylohyoid

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Which of the following muscles may affect the borders of a mandibular complete denture? A. Mentalis B. Lateral pterygoid C. Orbicularis oris D. Levator oris E. Temporalis

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