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

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
by

1 Answer

Answer :

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

Related questions

At birth, some calcified dental tissues are presented, a.All deciduous teeth and all permanent incisors. b.All deciduous teeth and permanent central incisors. c.All deciduous teeth and the first permanent molars. d.Deciduous teeth only.

Description : At birth, some calcified dental tissues are presented, a.All deciduous teeth and all permanent incisors. b.All deciduous teeth and permanent central incisors. c.All deciduous teeth and the first permanent molars. d.Deciduous teeth only.

Last Answer : c.All deciduous teeth and the first permanent molars.

At birth, some calcified dental tissues are presented, M07 ******* A. All deciduous teeth and all permanent incisors B. All deciduous teeth and permanent central incisors C. All deciduous teeth and the first permanent molars D. Deciduous teeth only

Description : At birth, some calcified dental tissues are presented, M07 ******* A. All deciduous teeth and all permanent incisors B. All deciduous teeth and permanent central incisors C. All deciduous teeth and the first permanent molars D. Deciduous teeth only

Last Answer : C. All deciduous teeth and the first permanent molars

Fluoride in water community of 4ppm will result in: A. No mottling B. Mottling in almost all permanent teeth except some molars C. Mottling in permanent premolars only

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Last Answer : B. Mottling in almost all permanent teeth except some molars

To extract upper deciduous molars, the movement should be: A. Buccal first to move tooth B. Palatal first to move tooth C. Distal first to move tooth D. Rotation movement E. Fraction of the tooth

Description : TTo extract upper deciduous molars, the movement should be:  A. Buccal first to move tooth  B. Palatal first to move tooth  C. Distal first to move tooth  D. Rotation movement  E. Fraction of the tooth 

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The MOST frequently retained deciduous teeth in A. Upper lateral incisors B. Upper central incisors C. Lower central incisors D. Second lower molars E. Second upper molars

Description : The MOST frequently retained deciduous teeth in A. Upper lateral incisors B. Upper central incisors C. Lower central incisors D. Second lower molars E. Second upper molars

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The MOST common consequence arising from premature extraction of deciduous molars is: A. Loss of arch length B. Loss of speech sound C. Loss of facial contour D. Loss of vertical height E. Loss of free way space

Description : The MOST common consequence arising from premature extraction of deciduous molars is: A. Loss of arch length B. Loss of speech sound C. Loss of facial contour D. Loss of vertical height E. Loss of free way space

Last Answer : A. Loss of arch length

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

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Last Answer : A. Perform mixed dentition analysis

Most congenitally missing teeth are: A. Mandibular 3rd molars B. Mandibular 2nd premolars C. Maxillary lateral incisor

Description : Most congenitally missing teeth are: A. Mandibular 3rd molars B. Mandibular 2nd premolars C. Maxillary lateral incisor

Last Answer : A. Mandibular 3rd molars

A young patient has all incisors, some premolars and some canines erupted but no 2nd molars are showing: What is his age? A. 8 years B. 11 years C. 13 years D. 14 years

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Patient reported to you 30 min after trauma to central incisor. Patient is 10 yrs old and there is traumatic exposure of pulp. What will be the line of treatment— 1) coronal pulpotomy and Ca-hydr. Base and then permanent filling 2) Ca-hydroxide base and permanent filling 3) 1-2 mm. of coronal pulp extirpated and Ca hydroxide and then permanent filling 4) Pulpectomy

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Last Answer : 3) 1-2 mm. of coronal pulp extirpated and Ca hydroxide and then permanent filling

the pulp horn most likely to be exposed in the preparation of large cavity in permanent molar tooth is,CHECK ITS VERY CONTROVERSIAL QUESTION A. Mesio–Lingual in upper first molars B. Mesio–Buccal in upper first molars C. Disto–buccal in lower first molars D. Mesio–Lingual in lower first molars E. Mesio- Buccal in lower first molar

Description : the pulp horn most likely to be exposed in the preparation of large cavity in permanent molar tooth is,CHECK ITS VERY CONTROVERSIAL QUESTION A. Mesio-Lingual in upper first molars B. Mesio-Buccal in ... first molars D. Mesio-Lingual in lower first molars E. Mesio- Buccal in lower first molar

Last Answer : B. Mesio–Buccal in upper first molars

When immature permanent molars have been treated with Ledermix pulp capping, the most probable pathology is, A. Chronic inflammation of the pulp B. Necrosis of the pulp

Description : When immature permanent molars have been treated with Ledermix pulp capping, the most probable pathology is, A. Chronic inflammation of the pulp B. Necrosis of the pulp

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What technique is used in the extraction of permanent 1st molars: A. Rotation movement B. Lingual movement C. Buccal movement

Description : What technique is used in the extraction of permanent 1st molars: A. Rotation movement B. Lingual movement C. Buccal movement

Last Answer : C. Buccal movement

An upper deciduous molar has a caries exposure and on X ray the corresponding 2nd permanent premolar is absent. What treatment would you do to the deciduous tooth: A. Pulpotomy B. Endodontic treatment C. Pulp capping

Description : An upper deciduous molar has a caries exposure and on X ray the corresponding 2nd permanent premolar is absent. What treatment would you do to the deciduous tooth: A. Pulpotomy B. Endodontic treatment C. Pulp capping

Last Answer : B. Endodontic treatment

In man 3rd molars (wisdom teeth) are (a) Temporary (b) Permanent (c) Polyphyodont (d) None

Description : In man 3rd molars (wisdom teeth) are (a) Temporary (b) Permanent (c) Polyphyodont (d) None

Last Answer : (b) Permanent

A 12 years-old girl complains of sore mouth, she has painful cervical lymphadenitis and a temperature of 39°c, oral examination shows numerous yellow grey lesions. What is the MOST LIKELY diagnosis: A. Measles (koplick spots are present next to the molars usually) B. Erythema multiform se da general mentor hombres mas de 20 años en labios C. Herpetic gingivostomatitis D. Stevens-Johnson syndrome

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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

.In which situation is the translucency of a tooth lost:CHECK A. Death of the pulp B. Complete calcification of pulp chamber C. Hyperaemia D. Pulp stone E. All of the above

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The loss of the first deciduous molar in 10 years-old children requires: A. Band and loop to maintain space B. Evaluate the case radiographically and then decide whether space maintainer is needed or not C. No treatment

Description : The loss of the first deciduous molar in 10 years-old children requires: A. Band and loop to maintain space B. Evaluate the case radiographically and then decide whether space maintainer is needed or not C. No treatment

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The extraction of maxillary deciduous molar in 5 years old child; you should use: A. Mostly towards the apex pressure and some movement B. Rotation C. Distal pressure and movement D. Labial-lingual movement

Description : The extraction of maxillary deciduous molar in 5 years old child; you should use: A. Mostly towards the apex pressure and some movement B. Rotation C. Distal pressure and movement D. Labial-lingual movement

Last Answer : D. Labial-lingual movement

.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

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

An 8 years-old child who has sustained a fracture of maxillary permanent central incisor in which 2mm of the pulp is exposed presents for treatment three hours after injury. Which of the following should be considered? a- Remove the surface 1. 2 mm of pulp tissue and place calcium hydroxide. b- Place calcium hydroxide directly on the exposed pulp. c- Pulpotomy using formocresol. d- Pulpectomy and immediate root filling. e- Pulpectomy and apexification.

Description : An 8 years-old child who has sustained a fracture of maxillary permanent central incisor in which 2mm of the pulp is exposed presents for treatment three hours after injury. Which of the ... - Pulpotomy using formocresol. d- Pulpectomy and immediate root filling. e- Pulpectomy and apexification.

Last Answer : a- Remove the surface 1. 2 mm of pulp tissue and place calcium hydroxide

8 years old child who has sustained a fracture of maxillary permanent central incisor in which 2mm of the pulp is exposed; presents for treatment three hours after injury. Which of the following should be considered? M07*********** A. Remove the surface 1-2 mm of pulp tissue and place calcium hydroxide (Cvek pulpotomy, apexogenesis) B. Place calcium hydroxide directly on the exposed pulp C. Pulpotomy using formocresol D. Pulpectomy and immediate root filling E. Pulpectomy and apexification

Description : 8 years old child who has sustained a fracture of maxillary permanent central incisor in which 2mm of the pulp is exposed; presents for treatment three hours after injury. Which of the ... C. Pulpotomy using formocresol D. Pulpectomy and immediate root filling E. Pulpectomy and apexification

Last Answer : A. Remove the surface 1-2 mm of pulp tissue and place calcium hydroxide (Cvek pulpotomy, apexogenesis)

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 first molars are extracted in both arches: A. The bone resorption will be the same for both arches B. Resorption is more on the palatal side of maxillary molars C. Resorption is more on lingual side of mandibular molars D. The ridge height resorbs more in maxilla than mandible

Description : The first molars are extracted in both arches: A. The bone resorption will be the same for both arches B. Resorption is more on the palatal side of maxillary molars C. Resorption is more on lingual side of mandibular molars D. The ridge height resorbs more in maxilla than mandible

Last Answer : C. Resorption is more on lingual side of mandibular molars

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

Which of the following is a typical consequence of dental crowding, assuming no primary tooth has been lost prematurely? A. Overlapping of lower incisors B. Palatal displacement of upper canines C. Impaction of 15 and 25 between first premolars and first molars D. Mesial tipping of 16 and 26 E. Rotation of 16 and 26

Description : Which of the following is a typical consequence of dental crowding, assuming no primary tooth has been lost prematurely? A. Overlapping of lower incisors B. Palatal displacement of upper canines C. Impaction ... and first molars D. Mesial tipping of 16 and 26 E. Rotation of 16 and 26

Last Answer : A. Overlapping of lower incisors

Which of the following cusps is more prone to crack: A. Buccal of lower molars B. Lingual of lower molars C. Lingual of upper molars D. Buccal of upper molars

Description : Which of the following cusps is more prone to crack: A. Buccal of lower molars B. Lingual of lower molars C. Lingual of upper molars D. Buccal of upper molars

Last Answer : B. Lingual of lower molars

What contraindicates pulp capping: A. Accidental exposure on vital young molars B. When inflammation of radicular pulp is already present C. When roots are greatly curved and tortuous D. When anterior tooth is vital and immature with wide open apices E. None of the above

Description : What contraindicates pulp capping: A. Accidental exposure on vital young molars B. When inflammation of radicular pulp is already present C. When roots are greatly curved and tortuous D. When anterior tooth is vital and immature with wide open apices E. None of the above

Last Answer : B. When inflammation of radicular pulp is already present

.The places for newly erupted mandibular molars are created by: A. Resorption of anterior ramus and apposition posteriorly B. Apposition of alveolar process C. Apposition of inferior boarder of mandible

Description : .The places for newly erupted mandibular molars are created by: A. Resorption of anterior ramus and apposition posteriorly B. Apposition of alveolar process C. Apposition of inferior boarder of mandible

Last Answer : A. Resorption of anterior ramus and apposition posteriorly

What is not correct about Long Buccal Nerve:** A. Passes through two heads of pterygoids muscles B. Supplies mucosa over lower and upper molars C. Supplies the buccinator muscle D. Supplies skin over buccinator

Description : What is not correct about Long Buccal Nerve:** A. Passes through two heads of pterygoids muscles B. Supplies mucosa over lower and upper molars C. Supplies the buccinator muscle D. Supplies skin over buccinator

Last Answer : C. Supplies the buccinator muscle

Anaesthesia 1 mm above last lower molars will anesthetise: A. Lingual Nerve B. Long buccal nerve

Description : Anaesthesia 1 mm above last lower molars will anesthetise: A. Lingual Nerve B. Long buccal nerve

Last Answer : B. Long buccal nerve

The palatal pulp horn of maxillary molars is located: A. In the pulpchamber under mesiolingual cusp B. In the pulpchamber opposite the mesio distal fissure of the buccal cusp C. Under the disto lingual cusp

Description : The palatal pulp horn of maxillary molars is located: A. In the pulpchamber under mesiolingual cusp B. In the pulpchamber opposite the mesio distal fissure of the buccal cusp C. Under the disto lingual cusp

Last Answer : A. In the pulpchamber under mesiolingual cusp

Blow to mandible causing fracture in molar’s right side region, you expect a second fracture of: A. Sub condylar of right side B. Sub-condylar of left side C. Fracture of symphysis

Description : Blow to mandible causing fracture in molar’s right side region, you expect a second fracture of: A. Sub condylar of right side B. Sub-condylar of left side C. Fracture of symphysis

Last Answer : B. Sub-condylar of left side

How do you prepare the floor of pulp chamber in molars: A. Swab and dry with cotton wool and excavate B. Use round bur to flatten the floor C. Under cut walls D. Use flat end fissure bur to make it levelled

Description : How do you prepare the floor of pulp chamber in molars: A. Swab and dry with cotton wool and excavate B. Use round bur to flatten the floor C. Under cut walls D. Use flat end fissure bur to make it levelled

Last Answer : A. Swab and dry with cotton wool and excavate

Which primary teeth are LEAST affected with the nursing bottle syndrome? A. Maxillary molars B. Maxillary and mandibular canines C. Mandibular incisors D. Maxillary incisors E. Mandibular molars

Description : Which primary teeth are LEAST affected with the nursing bottle syndrome? A. Maxillary molars B. Maxillary and mandibular canines C. Mandibular incisors D. Maxillary incisors E. Mandibular molars

Last Answer : C. Mandibular incisors

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

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

In regard to Electrical Vitalometer: A. To test recently erupted teeth B. Check response for an electrical stimulant C. Reveal potential necrosis

Description : In regard to Electrical Vitalometer: A. To test recently erupted teeth B. Check response for an electrical stimulant C. Reveal potential necrosis

Last Answer : B. Check response for an electrical stimulant C. Reveal potential necrosis

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

Where does the bone resorption show in a pulp necrosis of a deciduous molar: A. At the root apex B. At the bifurcation C. On the buccal side of the tooth D. On the lingual side of the tooth

Description : Where does the bone resorption show in a pulp necrosis of a deciduous molar:  A. At the root apex  B. At the bifurcation  C. On the buccal side of the tooth  D. On the lingual side of the tooth 

Last Answer : B. At the bifurcation 

Where is the MOST probable place of bone resorption after a deciduous molar has a pulpal gangrene: A. Interradicular septum B. The periapical area

Description : Where is the MOST probable place of bone resorption after a deciduous molar has a pulpal gangrene: A. Interradicular septum B. The periapical area

Last Answer : A. Interradicular septum

The MOST common consequence arising from premature extraction of deciduous molar is: A. Loss of arch length B. Loss of speech sound C. Loss of facial contour

Description : The MOST common consequence arising from premature extraction of deciduous molar is: A. Loss of arch length B. Loss of speech sound C. Loss of facial contour

Last Answer : A. Loss of arch length

In which direction you would extract a deciduous upper molar: A. Rotation B. Buccally C. Lingually

Description : In which direction you would extract a deciduous upper molar: A. Rotation B. Buccally C. Lingually

Last Answer : B. Buccally

Posterior superior alveolar nerve supplies:** A. 8, 7 and 6 except the mesio buccal root of 6 B. 8, 7 and 6

Description : Posterior superior alveolar nerve supplies:** A. 8, 7 and 6 except the mesio buccal root of 6 B. 8, 7 and 6

Last Answer : A. 8, 7 and 6 except the mesio buccal root of 6

4 years ago, the average age of x and y was 22 years. With z joining them, the average becomes 26 years. How ols is z now? A) 62yrs B) 50yrs C) 38 yrs D) 54yrs

Description :  4 years ago, the average age of x and y was 22 years. With z joining them, the average becomes 26 years. How ols is z now? A) 62yrs B) 50yrs C) 38 yrs D) 54yrs

Last Answer : C) age of (x+y) 4 yrs ago= (22 * 2)yrs =44 age of (x+y+z)=(26 *3)yrs =78yrs Therefore z’s age = (78-44)yrs =34 yrs. Current age of z =38 yrs

The primary dentition in human differs from permanent dentition in not having one of the following type of teeth. (a) Molars (b) Incisors (c) Canines (d) Premolars

Description : The primary dentition in human differs from permanent dentition in not having one of the following type of teeth. (a) Molars (b) Incisors (c) Canines (d) Premolars

Last Answer : (d) Premolars

Permanent teeth in man are (a) Incisors (b) Premolars (c) Molars (d) Canines

Description : Permanent teeth in man are (a) Incisors (b) Premolars (c) Molars (d) Canines

Last Answer : (b) Premolars