Why do you take x-rays at different horizontal angulations A. To find more canals B. Tofind more foramina

Why do you take x-rays at different horizontal angulations  
A. To find more canals  
B. Tofind more foramina
by

1 Answer

Answer :

A. To find more canals
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Related questions

What is true in regard to lateral mandibular incisors A. 20% have 2 canals with one foramen B. 20% have 2 canals with two foramina C. 40% have two canals with 10% ending in two foramina D. 40% have two canals with only one ending in two foramina

Description : What is true in regard to lateral mandibular incisors A. 20% have 2 canals with one foramen B. 20% have 2 canals with two foramina C. 40% have two canals with 10% ending in two foramina D. 40% have two canals with only one ending in two foramina

Last Answer : D. 40% have two canals with only one ending in two foramina

A child has less than the normal number of teeth, the mandibular lateral incisor is larger than usual, on x rays it shows with two roots and two roots canals; your diagnosis is:** A. Dilaceration B. Gemination C. Fusion D. Concrescence E. Taurodontism

Description : A child has less than the normal number of teeth, the mandibular lateral incisor is larger than usual, on x rays it shows with two roots and two roots canals; your diagnosis is:** A. Dilaceration B. Gemination C. Fusion D. Concrescence E. Taurodontism

Last Answer : C. Fusion

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

Description : 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 ... root canals D. Evaluate the adequacy of the complete root canal filling E. All of the above

Last Answer : E. All of the above

The Fovea Palatinae are: A. Foramina covering the lesser palatine nerves and vessels B. Morphologically related to the formation of the premaxilla C. Located on either sides of the midline close to the junction of the hard and soft palate D. Closely related to the rugae of the palate

Description : The Fovea Palatinae are: A. Foramina covering the lesser palatine nerves and vessels B. Morphologically related to the formation of the premaxilla C. Located on either sides of the midline close to the junction of the hard and soft palate D. Closely related to the rugae of the palate

Last Answer : C. Located on either sides of the midline close to the junction of the hard and soft palate

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

Description : 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 ... and start a permanent restoration. B. Start systemic antibiotic C. Try to ream and file canals

Last Answer : C. Try to ream and file canals

Bone is characterised by:** A. Haversian canal around bony canals B. Irregularly arraigned tubulae

Description : Bone is characterised by:** A. Haversian canal around bony canals B. Irregularly arraigned tubulae

Last Answer : A. Haversian canal around bony canals

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

Description : 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 ... root canals. C. Internal external relationship D. Intra-coronal preparation E. None of the above

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

Lamina dura is actually: A. Cortical bone B. Spongy bone C. Immature bone D. Cribriform plate perforated by nutrition canals

Description : Lamina dura is actually: A. Cortical bone B. Spongy bone C. Immature bone D. Cribriform plate perforated by nutrition canals

Last Answer : D. Cribriform plate perforated by nutrition canals

Which of the following is a radiographic feature of dentino-genesis imperfecta: A. Small pulp chambers and root canals, normal enamel B. Enamel is missing but dentine formation is normal C. Enamel and dentine show disturbances D. Pulp is normal but dentine is abnormal

Description : Which of the following is a radiographic feature of dentino-genesis imperfecta: A. Small pulp chambers and root canals, normal enamel B. Enamel is missing but dentine formation is normal C. Enamel and dentine show disturbances D. Pulp is normal but dentine is abnormal

Last Answer : A. Small pulp chambers and root canals, normal enamel

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

Description : 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

Last Answer : D. Two canals with two foramen

The emergency treatment for painless necrotic pulp is: A. Drainage through canals B. None

Description : The emergency treatment for painless necrotic pulp is: A. Drainage through canals B. None

Last Answer : A. Drainage through canals

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

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

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

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

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

The beam that leaves the target is called, A. The primary X-ray B. The electrons ( from the cathode) C. The secondary rays (scattered radiation) D. X-ray photons no

Description : The beam that leaves the target is called, A. The primary X-ray B. The electrons ( from the cathode) C. The secondary rays (scattered radiation) D. X-ray photons no

Last Answer : A. The primary X-ray

A filter is used in x ray machines to: A. Reduce exposure time B. Remove low energy x rays

Description : A filter is used in x ray machines to: A. Reduce exposure time B. Remove low energy x rays

Last Answer : B. Remove low energy x rays

Hypoplasia as seen in x rays:** A. Thick enamel surface B. Thin enamel surface C. Sometimes large pulp chamber D. Can not be detected on X rays

Description : Hypoplasia as seen in x rays:** A. Thick enamel surface B. Thin enamel surface C. Sometimes large pulp chamber D. Can not be detected on X rays

Last Answer : D. Can not be detected on X rays

Essential for the diagnosis and treatment plan of orthodontics is: A. Classification B. X rays C. Plaster models

Description : Essential for the diagnosis and treatment plan of orthodontics is: A. Classification B. X rays C. Plaster models

Last Answer : B. X rays

At the age of four years, the x rays reveal calcification of: A. All deciduous and first permanent molars B. All permanent except of 3rd molars (7-8 yrs old) C. All deciduous D. All permanent

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Last Answer : B. All permanent except of 3rd molars (7-8 yrs old)

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

Last Answer : E. Interproximally

Proximal caries on x-rays appears: A. Smaller than clinically seen B. Larger than clinically seen C. The same

Description : Proximal caries on x-rays appears: A. Smaller than clinically seen B. Larger than clinically seen C. The same

Last Answer : A. Smaller than clinically seen

A blow to the mandible resulted in deviation to the left on opening; x-rays show unilateral fracture, where would you expect the fracture:** A. Neck of the left condyle B. Neck of the right condyle C. Body of the left condyle D. Body or the right condyley

Description : A blow to the mandible resulted in deviation to the left on opening; x-rays show unilateral fracture, where would you expect the fracture:** A. Neck of the left condyle B. Neck of the right condyle C. Body of the left condyle D. Body or the right condyley

Last Answer : A. Neck of the left condyle

What does the fixing solution in developing X rays do: A. Removes unexposed silver halide crystals B. Removes exposed silver halide C. Fixes the developed film What does the fixing solution in developing X rays do: A. Removes unexposed silver halide crystals B. Removes exposed silver halide C. Fixes the developed film

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Last Answer : A. Removes unexposed silver halide crystals

In X rays filtration is used to:** A. Remove low energy X rays B. Reduce exposure time C. Reduce size of the beam

Description : In X rays filtration is used to:** A. Remove low energy X rays B. Reduce exposure time C. Reduce size of the beam

Last Answer : A. Remove low energy X rays

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Description : Caries which is close to the pulp chamber; on x rays you find ‘dens in dente’; the right treatment is: A. Zinc oxide eugenol cement and amalgam B. Pulpectomy C. Pulpotomy D. Calcium hydroxide on pulp and amalgam

Last Answer : B. Pulpectomy

In _______ methods, the stations consult one another tofind which station has the right to send. A) random access B) controlledaccess C) channelization D) none of the above

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Description : For a ______ channel, we need to use the Shannon capacity tofind the maximum bit rate. A) noisy B) noiseless C) bandpass D) low-pass

Last Answer : noisy

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Description : .In an X ray the mesio buccal root of upper first molars is elongated because of: A. Mesio angular horizontal B. Too big vertical angulation C. Too small vertical angulation D. High angulation

Last Answer : C. Too small vertical angulation

A scientist finds a foramina on a bone sample. What can the scientist conclude?

Description : A scientist finds a foramina on a bone sample. What can the scientist conclude?

Last Answer : this bone was located near the brain

Cerebrospinal fluid: a. is produced mainly by the lateral, third and fourth ventricles b. enters the subarachnoid space through foramina Lushka and Magendie c. is reabsorbed mainly into the lymphatics d. production is dependent of the blood pressure

Description : Cerebrospinal fluid: a. is produced mainly by the lateral, third and fourth ventricles b. enters the subarachnoid space through foramina Lushka and Magendie c. is reabsorbed mainly into the lymphatics d. production is dependent of the blood pressure

Last Answer : is produced mainly by the lateral, third and fourth ventricles

Horizontal flow of water in irrigation channels or through canals is known as

Description : Horizontal flow of water in irrigation channels or through canals is known as

Last Answer : Ans.Seepage

The initial priority in treatment of horizontal fractures is: A. Preservation of pulp B. Immobilisation C. Root canal treatment D. Calcium hydroxide treatment

Description : The initial priority in treatment of horizontal fractures is: A. Preservation of pulp B. Immobilisation C. Root canal treatment D. Calcium hydroxide treatment

Last Answer : B. Immobilisation

Ala-Tragal line is:** A. The line running from the tragus of the nose to ala of the ear B. A guide used to orient the occlusal plane C. Parallel to Frankfurt horizontal plane D. A guide to the occluding face height in complete denture.

Description : Ala-Tragal line is:** A. The line running from the tragus of the nose to ala of the ear B. A guide used to orient the occlusal plane C. Parallel to Frankfurt horizontal plane D. A guide to the occluding face height in complete denture.

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

The effects of tooth removal in healthy individuals can show as, A. Loss of contacts B. Slight tilting C. Pocket formation (in 2nd mandibular. Molar after 3rd molar horizontal impacted removal) D. TMJ problem E. All of the above

Description : The effects of tooth removal in healthy individuals can show as, A. Loss of contacts B. Slight tilting C. Pocket formation (in 2nd mandibular. Molar after 3rd molar horizontal impacted removal) D. TMJ problem E. All of the above

Last Answer : E. All of the above

The incisal guidance on the articulator is the:** A. Mechanical equivalent of horizontal and vertical overlap of upper and lower incisors B. Mechanical equivalent of the compensating curve C. Same as condylar guidance D. Estimated by the equation: Incisal guidance = 1/8 of condylar guidance

Description : The incisal guidance on the articulator is the:** A. Mechanical equivalent of horizontal and vertical overlap of upper and lower incisors B. Mechanical equivalent of the compensating curve C. Same as condylar guidance D. Estimated by the equation: Incisal guidance = 1/8 of condylar guidance

Last Answer : A. Mechanical equivalent of horizontal and vertical overlap of upper and lower incisors

In periodontitis, the most common finding is, (Main feature of suprabony pocket) A. Horizontal bone resorption B. Vertical bone resorption C. Angular bone loss

Description : In periodontitis, the most common finding is, (Main feature of suprabony pocket) A. Horizontal bone resorption B. Vertical bone resorption C. Angular bone loss

Last Answer : A. Horizontal bone resorption

rays of light strike a horizontal plane mirror at an angle of `45^(@)`. At what angle should be a second plane mirror be placed in order that the refl

Description : rays of light strike a horizontal plane mirror at an angle of `45^(@)`. At what angle should be a second plane mirror be placed in order that the refl

Last Answer : rays of light strike a horizontal plane mirror at an angle of `45^(@)`. At what ... ray finally be reflected horizontally from the second mirror.

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

Description : 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

Last Answer : D. Occipitomental view

After obturation and on X-ray you notice the obturation materials are 1mm beyond apex. What is your first management? A. Refill the canal B. Pull the GP cone about 1mm out and take a new X-ray C. Leave it as it

Description : After obturation and on X-ray you notice the obturation materials are 1mm beyond apex. What is your first management? A. Refill the canal B. Pull the GP cone about 1mm out and take a new X-ray C. Leave it as it

Last Answer : B. Pull the GP cone about 1mm out and take a new X-ray

The gingival portion of natural teeth differs in colour from the incisal portion because the : A. Lighting angle is different B. Gingival and incisal portions have different fluorescent qualities C. Gingival area has a dentine background D. Incident light is different

Description : The gingival portion of natural teeth differs in colour from the incisal portion because the : A. Lighting angle is different B. Gingival and incisal portions have different fluorescent qualities C. Gingival area has a dentine background D. Incident light is different

Last Answer : C. Gingival area has a dentine background

A 65 years-old patient needs extraction of 44; he has taken insulin in the morning. What preoperative advice you should give: A. Take more sugar B. Maintain normal diet C. Antibiotic 2 hours before D. Medication increases preoperatively

Description : A 65 years-old patient needs extraction of 44; he has taken insulin in the morning. What preoperative advice you should give: A. Take more sugar B. Maintain normal diet C. Antibiotic 2 hours before D. Medication increases preoperatively

Last Answer : B. Maintain normal diet

On X-ray, the buccal roots of 16 is considerably elongated; this is a result of, A. Too great vertical angulation B. Inadequate vertical angulation C. Excessive object film distance

Description : On X-ray, the buccal roots of 16 is considerably elongated; this is a result of, A. Too great vertical angulation B. Inadequate vertical angulation C. Excessive object film distance

Last Answer : B. Inadequate vertical angulation

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

Description : 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

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

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

Description : 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

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

The developing time for dental x ray should be: A. 5 minutes at 20ºC B. At least 10 minutes C. Until it clears up D. 2 minutes at 40ºC

Description : The developing time for dental x ray should be: A. 5 minutes at 20ºC B. At least 10 minutes C. Until it clears up D. 2 minutes at 40ºC

Last Answer : A. 5 minutes at 20ºC

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

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

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

Full mouth x ray survey at birth reveals: A. Ten teeth are present B. Twenty teeth are present C. Twenty four teeth are present

Description : Full mouth x ray survey at birth reveals: A. Ten teeth are present B. Twenty teeth are present C. Twenty four teeth are present

Last Answer : C. Twenty four teeth are present