Endodontics II 4 Dr.Khoeung RathVisal

A detailed dental study scene illustrating various endodontic concepts like pulp tissue, root canals, and dental instruments, with academic elements like books and charts in the background.

Endodontics II Quiz

Challenge your knowledge with this comprehensive quiz on Endodontics! Designed for dental students and professionals, this quiz covers essential topics related to pulp tissue, pulpitis, and apical periodontitis.

  • 50 multiple-choice questions
  • Test your understanding of endodontic principles
  • Enhance your clinical knowledge and skills
50 Questions12 MinutesCreated by LearningTooth42
Which are the characteristics that make the pulp tissue different from other soft connective tissues in the human body?
Encased within hard-tissue walls but rich of collateral blood supply
Encased within hard-tissue walls and lack of collateral blood supply
Not encased within hard-tissue walls and rich of collateral blood supply
Not encased within hard-tissue walls but lack of collateral blood supply
How does the pulp tissue initially react to irritants?
With local inflammation in the area subjected to the irritants
With the inflammation throughout the pulp
With total pulp necrosis
With partial pulp necrosis
Which of the following is not one of the etiologies of pulpitis?
Microbial factors
Traumatic injuries
Iatrogenic factors
Hygienic factors
How do bacteria and their byproducts usually reach the pulp?
When the pulp is exposed by caries
Through the dentinal tubules
Through the cracks
When the pulp is exposed by traumatic injuries
Which dentin plays a role in creating the sclerosis of the dentinal tubules?
Secondary dentin
Primary dentin
Peritubular dentin
Intratubular dentin
Exposed dentin is not caused by:
Cracks
Periodontal treatment
Erosion
Enamel hypoplasia
The inflammatory reaction of the pulp tissue to exposed dentin is:
Mild and will not usually lead to pulpal necrosis.
Mild but will usually lead to pulpal necrosis.
Severe but will not usually lead to pulpal necrosis.
Severe and will usually lead to pulpal necrosis
Which of the following types of traumatic injuries will not usually result in infectious inflammation of the pulp?
Complicated crown fracture
Root-fractured teeth where the fracture line is in communication with oral cavity
True-alveolar fracture with no displacement of the coronal fragment
Luxated teeth
Which restorative procedure is not likely to irritate the pulp?
Marginal leakage
Preparation trauma due to dehydration of the dentin
Cleansing cavity with air-water spray
Effect of restorative material
How can oral and maxillofacial surgery cause pulp injury and necrosis?
By severing or interrupting blood vessel to the pulp.
By using local anesthetic containing high concentrations of epinephrine.
By flap elevation
By intrasulcular incision
The end result of pulp polyp is:?
Self-repair and become normal pulp
Pulp necrosis
Remains as pulp polyp
Just chronic inflamed pulp and never develop to pulp necrosis
Which is the initial phase of pulpitis pathogenesis?
Neutrophil infiltration
Vascular phase
Lymphocyte involvement
Spreading of the inflammation
Liquefaction necrosis is caused by:
Chemical agent
Infectious agent
Loss of blood supply
Mechanical removal of the pulp tissue, I.e. Pulp extirpation
Ischemic necrosis is caused by:
Chemical agent
Infectious agent
Loss of blood supply
Mechanical removal of the pulp tissue, I.e. Pulp extirpation
In which condition will the repair of the pulp be likely resulting as completed regeneration?
Mild local inflammation
Moderate local inflammation
Severe inflammation
Following pulp capping procedure
Anachoresis is:
The infection via blood circulation
The Infection via accessory canals from periodontal pocket
The infection via caries
The infection via exposed dentin at the cervical area
What is the main cause of apical periodontitis?
Trauma
Iatrogenic factors
Bacterial infection
High occlusion
The bacteria involved in apical periodontitis range between:
1 to 5 species
5 to 10 species
10 to 50 species
50 to 100 species
Bacteria responsible for extraradicular infection are mainly:
Streptococcus species
Enterococcus species
Actinomyces species
Spirochete
Which is not one of the iatrogenic causes of apical periodontitis?
Over-instrumentation
Dressing medicaments
Root canal sealers
Pulp necrosis
Apical periodontitis cannot heal spontaneously if caused by:
Trauma
Over-instrumentation
Dressing medications or root canal sealers
Root canal infection
A common name of chronic apical periodontitis is:
Apical abscess
Periapical granuloma
Periapical cyst
Radicular cyst
The incident of periapical cyst is well below:
10%
20%
30%
40%
Which of the following statements is correct?
True apical cysts occur less frequently than apical pocket cysts
True apical cysts occur as frequently as apical pocket cysts
True apical cysts occur more frequently than apical pocket cysts
Apical pocket cysts occur more frequently than true apical cyst.
Which statement is not true about true apical cysts?
True apical cysts are not likely to heal by orthograde root canal treatment
True apical cysts are completely enclosed in epithelial lining
True apical cysts have an opening to the root canal
True apical cysts occur more frequently than apical pocket cysts
Which statement is not true about apical pocket cysts?
Apical pocket cysts are likely to heal following orthograde root canal treatment
Apical pocket cysts are completely enclosed in epithelial lining
Apical pocket cysts have an opening to the root canal
Apical pocket cysts occur more frequently than true apical cysts
Healing of apical periodontitis may occur as scar tissue. This is particularly true in:
Young patients
Female patients
Adult patients
Elderly patients
Which of the following statements is true?
Apical periodontitis always appears as periapical radiolucencies
Granuloma and cyst cannot be differentiated radiographically
Granuloma and cyst cannot be differentiated histologically
CBCT cannot help differentiating between granuloma and cyst.
Which may not be a differential diagnosis of apical periodontitis as seen radiograpically?
Vertical root fracture
Periodontal disease
Tumors and cysts of the jaw.
Maxillary sinus
What is the chief complaint?
Is what observed by the clinician
Is the reason for seeking treatment
Is the diagnosis made by the clinician
Is the interpretation of data obtained from clinical signs and symptoms, radiographs and other tests
Which serve as initial important clue to make a correct diagnosis?
Health questionnaire
Chief complaint
Clinical sign and symptoms
Radiograph
For medical history, the clinician should evaluate a patient’s response to the health questionnaire from two perspectives:
Those medical conditions and current medications that will necessitate altering the manner in which dental care will be provided and those that may have oral manifestations or mimic dental pathosis.
Those medical conditions and current medications that will not necessitate altering the manner in which dental care will be provided and those that may have oral manifestations or mimic dental pathosis.
Those medical conditions and current medications that the patient is suffering or taking now and those that may have oral manifestations or mimic dental pathosis.
Those medical conditions and current medications that will not necessitate altering the manner in which dental care will be provided and those that may mot have oral manifestations or mimic dental pathosis.
Which medical condition may not mimic dental pathosis?
Trigeminal neuralgia
Acute maxillary sinusitis
Sickle cell anemia
Endocarditis
€�Can you point to the offending tooth?” is the question regarding to:?
Provocation and attenuation
Localization
Commencement
Intensity
Which of the following tests is used to detect the periapical status?
Palpation
Probing
Selective anesthesia
Transillumination
Which of the following tests is mainly use to detect cracks?
Transillumination
Cavity test
Radiograph
Percussion
Which of the following tests is used to detect pulp vitality?
Selective anesthesia
Thermal test
Bite test
Staining
Which of the following tests is usually used in cases where the patient cannot locate the source of pain properly?
Bite test
Selective anesthesia
Percussion
Palpation
Which of the following tests is used detect periodontal status?
Palpation
Percussion
Mobility test
Bite test
Which one of the following conditions can make an electric pulp tester get a false-positive result?
Immature apex
Calcific obliterations in the root canals
Recently traumatized teeth
Partial pulp necrosis
Which one of the following conditions can make an electric pulp tester get a false-positive result?
Anxious patient
Poor contact of pulp tester to tooth
Immature apex
Drugs that increase patient’s threshold for pain
Which one of the following conditions can make an electric pulp tester get a false-negative result?
Contact with metal restoration
Partial pulp necrosis
Immature apex
Ineffective tooth isolation
Which device test pulp vitality based on the determination of blood flow?
Electric pulp tester
CBCT
Transillumination
Pulp oximetry
Which material cannot be used to do a cold test?
Dry ice
Refrigerant
Cool GP
Regular ice
Which material cannot be used to do a heat test?
Rubber wheel
Hot water
Heated GP
Chloroform
Which test directly stimulates the dentin?
Cold test
Heat test
Cavity test
Electric pulp test
Which one is not a usual characteristic of periapical lesions of pulpal origin as seen radiographically?
The lamina dura is lost apically
The lucency changes its position related to the apex according to the shift of cone angle
The lucency tends to resemble a hanging drop
Usually a cause of the pulp necrosis is present
Extensive diffuse calcification as seen radiographically is indicative of:
Long-term low-grade irritation but not necessarily of irreversible pulpitis
Irreversible pulpitis with dentinoclastic activity
Previous trauma to the tooth
Severe irritation and irreversible pulpitis
Canal obliteration as seen radiographically is usually indicative of:
Long-term low-grade irritation but not necessarily of irreversible pulpitis
Irreversible pulpitis with dentinoclastic activity
Previous trauma to the tooth
Severe irritation and irreversible pulpitis
Which statement is true about digital radiograph?
Give a better image than that obtained from film
Need higher dose of radiation than film
Can be manipulated
Take longer time to process than film
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