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

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
by

1 Answer

Answer :

D. Occipitomental view
by

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The best radiograph for maxillary sinus is: A. PA skull x ray B. Occipitomental radiograph o waters view C. Town’s view The best radiograph for maxillary sinus is: A. PA skull x ray B. Occipitomental radiograph o waters view C. Town’s view

Description : The best radiograph for maxillary sinus is: A. PA skull x ray B. Occipitomental radiograph o waters view C. Town’s view

Last Answer : B. Occipitomental radiograph o waters view

A periapical x ray of 11 and 12 region shows the vimen, floor of the nasal fossa and the median palatine suture. The other feature that can be seen is: A. Maxillary sinus B. Incisive foramen C. Zygomatic process D. Wall of maxillary sinus

Description : A periapical x ray of 11 and 12 region shows the vimen, floor of the nasal fossa and the median palatine suture. The other feature that can be seen is: A. Maxillary sinus B. Incisive foramen C. Zygomatic process D. Wall of maxillary sinus

Last Answer : B. Incisive foramen

.Which radiographic method would you use in assessing periodontal conditions and lesions: A. Bitewing B. Periapical C. Occlusal D. Panoramic

Description : .Which radiographic method would you use in assessing periodontal conditions and lesions: A. Bitewing B. Periapical C. Occlusal D. Panoramic

Last Answer : B. Periapical

The concomitant perio-periapical lesion as the cause of endodontic failure: A. Cannot be discovered prior to endo treatment B. May be discovered prior to endo treatment C. Is most commonly found in maxillary teeth D. Is most commonly found in mandibular teeth E. None of the above

Description : The concomitant perio-periapical lesion as the cause of endodontic failure: A. Cannot be discovered prior to endo treatment B. May be discovered prior to endo treatment C. Is most commonly found in maxillary teeth D. Is most commonly found in mandibular teeth E. None of the above

Last Answer : B. May be discovered prior to endo treatment

In testing for mobility, which of the following statement is true:** M07 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 structures have been weakened D. During the periodontal examination each tooth should be tested individually for hyper mobility E. Reliance on radiograph is essential

Description : In testing for mobility, which of the following statement is true:** M07 A. Heavy pressure must sometimes be used to test mobility B. Only lateral mobility is significant in ... examination each tooth should be tested individually for hyper mobility E. Reliance on radiograph is essential

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

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Last Answer : B. Laterally condensed

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Periapical abscess is differentiated from periodontal abscess by: A. Pulpal radiology B. History and vitality test C. X-ray and history

Description : Periapical abscess is differentiated from periodontal abscess by: A. Pulpal radiology B. History and vitality test C. X-ray and history

Last Answer : B. History and vitality test

How would you diagnose a periapical abscess: A. Pain on percussion B. Pain when eating hot food C. Pain when eating cold food D. The thickness of periodontal ligament on X-Ray

Description : How would you diagnose a periapical abscess: A. Pain on percussion B. Pain when eating hot food C. Pain when eating cold food D. The thickness of periodontal ligament on X-Ray

Last Answer : A. Pain on percussion

In regard to external resorption:** A. Continues after successful endo treatment B. Stops in most cases following successful endodontic treatment C. Continues only in mandibular incisors after successful endo treatment D. Stops in maxillary lateral incisors after successful endodontic treatment E. None of the above

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Last Answer : B. Stops in most cases following successful endodontic treatment

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 patient with impacted canine; by moving the X ray tube distally the canine moves distally too; where do you expect the impacted canine: A. Labially impacted B. Palatally impacted Eighty-five per cent of impacted maxillary permanent cuspids are palatal impactions, and 15% are labial impactions.

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Last Answer : B. Palatally impacted Eighty-five per cent of impacted maxillary permanent cuspids are palatal impactions, and 15% are labial impactions.

cyst at the apex of an upper central incisor measuring 1 cm in diameter is visualized in radiograph and confirmed by aspiration biopsy; which method of treatment would you consider?** A. Extraction of the central incisor and retrieving the cyst through the socket B. Exteriorizing the cyst through the buccal bone and mucosa C. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by tooth removal. D. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by endodontic treatment. E. Routine orthograde endodontic treatment followed by observation.

Description : cyst at the apex of an upper central incisor measuring 1 cm in diameter is visualized in radiograph and confirmed by aspiration biopsy; which method of treatment would you consider?** ... bone, followed by endodontic treatment. E. Routine orthograde endodontic treatment followed by observation.

Last Answer : D. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by endodontic treatment.

The position of the lingual cusp of a maxillary first premolar during setting of teeth and on occlusal view is positioned:** A. Distally B. Mesially

Description : The position of the lingual cusp of a maxillary first premolar during setting of teeth and on occlusal view is positioned:** A. Distally B. Mesially

Last Answer : B. Mesially

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

Increasing which of the following factors will decrease the density of a radiograph: A. Milliampere B. Time C. KvP Kilovoltage D. Object-film distance E. Focal spot-object distance

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Last Answer : E. Focal spot-object distance

A cusp fracture immediate to Class II inlay can be BEST detected by, A. History B. Visually C. Radiograph D. Percussion E. Touching the tip of the cusp / Pressure on the cusp/

Description : A cusp fracture immediate to Class II inlay can be BEST detected by, A. History B. Visually C. Radiograph D. Percussion E. Touching the tip of the cusp / Pressure on the cusp/

Last Answer : E. Touching the tip of the cusp / Pressure on the cusp/

Exposure of the patient to ionising radiation when taking a radiograph is NOT REDUCED by: A. The use of fast film B. The addition of filtration C. Collimation of the beam D. The use of an open and lead lined cone E. Decreasing the kilovoltage KvP

Description : Exposure of the patient to ionising radiation when taking a radiograph is NOT REDUCED by: A. The use of fast film B. The addition of filtration C. Collimation of the beam D. The use of an open and lead lined cone E. Decreasing the kilovoltage KvP

Last Answer : E. Decreasing the kilovoltage KvP

How long would it take to notice significant reduction in radiolucency after finishing a root filling in a tooth with a periapical lesion: A. 6 months B. 1 month C. 3 months

Description : How long would it take to notice significant reduction in radiolucency after finishing a root filling in a tooth with a periapical lesion: A. 6 months B. 1 month C. 3 months

Last Answer : A. 6 months

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

When is it acceptable for the patient to hold radiographic film packet in the patient’s mouth: A. Patient is very young and cannot understand direction B. Patient is physically handicapped and unable to hold the film C. Film should never be held by the dentist D. There is a lack of time and radiograph is essential

Description : When is it acceptable for the patient to hold radiographic film packet in the patient's mouth: A. Patient is very young and cannot understand direction B. Patient is physically handicapped and unable to ... never be held by the dentist D. There is a lack of time and radiograph is essential

Last Answer : C. Film should never be held by the dentist

Absence of clearly defined crystal lamina dura is because: A. Pathognomonic of periodontal disease B. Indicative of attachment loss C. Associated with periodontal pocket D. Commonly related to radiograph angulation

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Last Answer : D. Commonly related to radiograph angulation

When the incisive foramen is superimposed over the apex on a radiograph it may be mistaken to be a: A. Cyst B. Cementoma C. Odontoma

Description : When the incisive foramen is superimposed over the apex on a radiograph it may be mistaken to be a: A. Cyst B. Cementoma C. Odontoma

Last Answer : A. Cyst

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

Description : 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 ... bony defect is so extensive that the edges of the incisors will collapse E. None of the above

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

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

An endodontic therapy was completed on a tooth with a periapical radiolucency. Marked reduction in size of radiolucency is expected in approximately: A. One year B. 6 months C. 3 months

Description : An endodontic therapy was completed on a tooth with a periapical radiolucency. Marked reduction in size of radiolucency is expected in approximately: A. One year B. 6 months C. 3 months

Last Answer : A. One year

The lamina dura is absent in which condition: A. Von Recklinghausen B. Paget’s C. Periapical granuloma

Description : The lamina dura is absent in which condition: A. Von Recklinghausen B. Paget’s C. Periapical granuloma

Last Answer : B. Paget’s

Which micro-organisms in periapical lesion would you find microscopically: A. Aerobes B. Aerobes to mainly anaerobes

Description : Which micro-organisms in periapical lesion would you find microscopically: A. Aerobes B. Aerobes to mainly anaerobes

Last Answer : B. Aerobes to mainly anaerobes

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

Description : 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

Last Answer : D. One or any combination of the above

Which of the following is true in regard to periapical cementoma: A. Teeth are vital. B. Teeth are not vital

Description : Which of the following is true in regard to periapical cementoma: A. Teeth are vital. B. Teeth are not vital

Last Answer : A. Teeth are vital.

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 prognosis of teeth with apical resorption is : A. Poor B. Good if apex can be sealed C. Dependant upon periapical surgery D. Contingent upon systemic antibiotic therapy combined with treatment of the canal

Description : The prognosis of teeth with apical resorption is : A. Poor B. Good if apex can be sealed C. Dependant upon periapical surgery D. Contingent upon systemic antibiotic therapy combined with treatment of the canal

Last Answer : B. Good if apex can be sealed

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

Description : 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

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

The lamina dura is seen on periapical radiographs as:CHECK A. Usual radiolucency between tooth root and surrounding bone as a thin white line. B. Cribriform plate of bone making the tooth socket C. Dense crestal bone consistent with a healthy periodontal status D. Pattern of radiopaque lines in supporting alveolar bone

Description : The lamina dura is seen on periapical radiographs as:CHECK A. Usual radiolucency between tooth root and surrounding bone as a thin white line. B. Cribriform plate of bone making the ... bone consistent with a healthy periodontal status D. Pattern of radiopaque lines in supporting alveolar bone

Last Answer : B. Cribriform plate of bone making the tooth socket

Is a panoramic X-ray dangerous?

Description : Is the device dangerous to the human body? How do they defend against it?

Last Answer : If you're the patient, you won't be in trouble. The operator, on the other hand, is exposed to very high levels of radiation. Who spends several hours there a day. There are protective gear, but none of them are 100% unfortunately. It is harmful and dangerous for them.

Which of the following is characteristic feature of Le Fort II fracture Options: 1) The fracture line runs through the root of the nose, lacrimal bone, floor of orbit, upper part of maxillary sinus and pterygoid plates 2) The fracture line runs above and parallel to the palate and crosses lower part of nasal septum, maxillary antra and the pterygoid plates 3) Complete separation of the facial bones from the cranial bones 4) Isolated fracture of orbital floor

Description : Which of the following is characteristic feature of Le Fort II fracture Options: 1) The fracture line runs through the root of the nose, lacrimal bone, floor of orbit, upper part of maxillary ... ) Complete separation of the facial bones from the cranial bones 4) Isolated fracture of orbital floor

Last Answer : Correct Answer: 1) The fracture line runs through the root of the nose, lacrimal bone, floor of orbit, upper part of maxillary sinus and pterygoid plates

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

A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by, a. Further review and reassurance since it will most probably heal spontaneously. b.Antibiotic therapy and nasal decongestants. c. Curettage and dressing of the defect. d. Excision of the fistula and surgical closure. e. Maxillary antral wash out and nasal antrostomy.

Description : A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by, a. Further review and reassurance since it will most ... Excision of the fistula and surgical closure. e. Maxillary antral wash out and nasal antrostomy.

Last Answer : d. Excision of the fistula and surgical closure.

A 7 years-old child has class I malocclusion, slight version of maxillary class III, adequate arch length. What is your management: A. Oral screen B. Head cap therapy C. Inclined plane on mandibular anterior teeth D. Hawley plate E. Expansion screw plate

Description : A 7 years-old child has class I malocclusion, slight version of maxillary class III, adequate arch length. What is your management: A. Oral screen B. Head cap therapy C. Inclined plane on mandibular anterior teeth D. Hawley plate E. Expansion screw plate

Last Answer : C. Inclined plane on mandibular anterior teeth

The MOST stable area to evaluate the craniofacial growth is: A. Nasal floor B. Cranial vault C. Occlusal plane D. Naso maxillary complex E. Anterior cranial base

Description : The MOST stable area to evaluate the craniofacial growth is: A. Nasal floor B. Cranial vault C. Occlusal plane D. Naso maxillary complex E. Anterior cranial base

Last Answer : E. Anterior cranial base

A healthy 6 years-old child presents with carious maxillary second primary molar with a necrotic pulp. Which treatment would be preferred? A. Extraction B. Indirect pulp treatment C. Pulpotomy (it's done to preserve the vitality of the roots and allow normal exfoliation) D. Pulpectomy to preserve the tooth as a space manteiner. E. Antibiotic coverage

Description : A healthy 6 years-old child presents with carious maxillary second primary molar with a necrotic pulp. Which treatment would be preferred? A. Extraction B. Indirect pulp treatment C. ... normal exfoliation) D. Pulpectomy to preserve the tooth as a space manteiner. E. Antibiotic coverage

Last Answer : D. Pulpectomy to preserve the tooth as a space manteiner.

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

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)

A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by,** A. Further review and reassurance since it will most probably heal spontaneously B. Antibiotic therapy and nasal decongestants C. Curettage and dressing of the defect D. Excision of the fistula and surgical closure E. Maxillary antral wash out and nasal antrostomy.

Description : A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by,** A. Further review and reassurance since it will most ... . Excision of the fistula and surgical closure E. Maxillary antral wash out and nasal antrostomy.

Last Answer : D. Excision of the fistula and surgical closure

Maxillary central incisor located palatally causes : a. Prolong stay of primary central incisor. b. Supernumerary teeth.

Description : Maxillary central incisor located palatally causes : a. Prolong stay of primary central incisor. b. Supernumerary teeth.

Last Answer : a. Prolong stay of primary central incisor.

A 9 years-old boy has a small white discolouration on his maxillary central incisor. The lesion is most probably, A. Hypocalcification due to trauma of the primary predecessor B. Hypoplasia due to acute systemic infection when 6-12 months old C. Defect during the histo differentiation stage of development D. Defect during the morho differentiation stage of development

Description : A 9 years-old boy has a small white discolouration on his maxillary central incisor. The lesion is most probably, A. Hypocalcification due to trauma of the primary predecessor B ... the histo differentiation stage of development D. Defect during the morho differentiation stage of development

Last Answer : A. Hypocalcification due to trauma of the primary predecessor

The blood supply to the denture bearing areas of the maxilla A. Superior Maxillary artery B. Grand/greater palatine artery

Description : The blood supply to the denture bearing areas of the maxilla A. Superior Maxillary artery B. Grand/greater palatine artery

Last Answer : A. Superior Maxillary artery

Jaw relations for edentulous patient have been established. The maxillary cast has been mounted on the articulator without face-bow and you decide to increase the occlusal vertical dimension by 4 mm. This will necessitate, A. Opening the articulator 4 mm B. A new centric relation record C. Changes in the condylar guide settings D. Increase in the vertical dimension

Description : Jaw relations for edentulous patient have been established. The maxillary cast has been mounted on the articulator without face-bow and you decide to increase the occlusal vertical dimension by 4 mm ... record C. Changes in the condylar guide settings D. Increase in the vertical dimension

Last Answer : B. A new centric relation record