Endodontic Radiology Quiz

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Questions and Answers

What is the purpose of a pre-op radiograph during endodontic therapy?

To evaluate the condition of the bone structure around the tooth

To assess the working length of the tooth

To confirm the final restoration after root canal treatment

To check if the tooth has been previously treated by another dentist (correct)

What is the recommended technique for taking a pre-op radiograph for multi-rooted teeth?

Vertical angulation at two different positions

Horizontal angulation at two different positions (correct)

Horizontal angulation at one position only

No specific technique recommended for multi-rooted teeth

What is the purpose of a cone fit radiograph during endodontic therapy?

To confirm the fit of the rubber dam and clamp (correct)

To evaluate the bone structure around the tooth

To assess the working length of the tooth

To check for resorption or calcification in the root canal system

What does the 90-degree angle ensure when using radiographic film holders?

Minimal distortion Signup and view all the answers

What is the recommended minimum file size for Working Length Radiograph (WL) in all canals?

#15 Signup and view all the answers

What is the aim of the Diagnosis of Instrument Length in endodontic therapy?

To be as close to the radiographic apex as possible Signup and view all the answers

When is the Cone Fit Radiograph taken during endodontic therapy?

After master cone selection and fitting Signup and view all the answers

What does ALARA stand for in the context of radiograph use in endodontics?

As Low As Reasonably Achievable Signup and view all the answers

What is recommended for initial treatment of teeth with potential for extra canals and complex morphology?

Cone Beam Computed Tomography (CBCT) Signup and view all the answers

At what age is the highest incidence rate of dental trauma?

8-14 years old Signup and view all the answers

What does FDI World Dental Federation recommend to reduce radiation exposure in dental radiography?

Use of digital radiography and CBCT Signup and view all the answers

'Every effort should be made to reduce effective radiation dose to the patient to the lowest level reasonably achievable.' What principle does this statement represent?

'As Low As Reasonably Achievable' (ALARA) Principle Signup and view all the answers

'Approximately 18% of Mandibular First Premolars are diagnosed with Tome's root trait.' Which type of radiograph would be most beneficial for diagnosing such cases?

Cone Beam Computed Tomography (CBCT) Signup and view all the answers

What does EDRF3 recommend for complex endodontic cases?

CBCT for diagnosis and treatment planning with proper justification and exposure to minimize radiation dose Signup and view all the answers

What does AAE recommend as a diagnostic tool in endodontics for specific situations?

CBCT with proper justification and exposure to minimize radiation dose Signup and view all the answers

What does ADA recommend as a diagnostic tool in endodontics for specific situations?

CBCT with proper justification and exposure to minimize radiation dose Signup and view all the answers

Study Notes

Working Length Radiograph (WL): Taken after access and location of all canals.minimum file size #15 in all canals. Different angulations may be needed for bicuspids and molars due to longer distance from distal PDL to the file.
Diagnosis of Instrument Length: Aim is to be as close to minor foramen as possible, creates a shelf in the apical dentin. Working length is approximately 1mm from the radiographic apex. Success rates for root canal therapy vary based on tooth vitality and distance from apex.
Radiographs needed during endodontic therapy:
- Cone Fit Radiograph: Taken after master cone selection and fitting, in bicuspids and molars two radiographs with different angulations may be needed.
- Final Radiograph: Taken after completion of fill and removal of rubber dam and clamp.
Use and Abuse of Radiographs in Endodontics: Every effort should be made to reduce effective radiation dose to the patient (ALARA).
Use and Abuse of Cone Beam Computed Tomography (CBCT) in Endodontics: Recommended for diagnosis in patients with contradictory or nonspecific clinical signs and symptoms, and for initial treatment of teeth with potential for extra canals and complex morphology. Intraoral radiographs are preferred for immediate postoperative imaging.
Mandibular First Premolars: Approximately 18% diagnosed with Tome's root trait.
Diagnosis of Dental Trauma: Though CBCT is best evaluation, it should not be used lightly due to higher effective dose compared to intraoral radiographs. Highest incidence rate of dental trauma is between 8-14 years old. Research evidence for CBCT indications in children is limited.
Development of a Web Dose Calculator: CBCT imaging results in about 29% more effective dose for child phantoms compared to adult phantoms. Large field of view CBCT results in about 1.6 times greater effective dose compared to small field of view CBCT.
Crown-Root Fractures: Diagnosed using radiographs, CT scan, and clinical examination. Can be caused by various factors including trauma, root caries, and occlusal forces.
FDI World Dental Federation: Recommends the use of digital radiography and CBCT to reduce radiation exposure.
AAE and AAOMR Joint Position Statement: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to as low as diagnostically acceptable dose.
The ALARA principle: Every effort should be made to reduce effective radiation dose to the patient to the lowest level reasonably achievable.
EDRF3: Recommends CBCT for diagnosis and treatment planning of complex endodontic cases, with proper justification and exposure to minimize radiation dose.
FDI World Dental Federation: Recommends the use of CBCT for diagnosis and treatment planning of complex endodontic cases, with proper justification and exposure to minimize radiation dose.
AAOMR: Recommends the use of CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends the use of CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
ADA: Recommends the use of CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
ADA Position Statement: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
ADA: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
ADA Position Statement: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to minimize radiation dose.
AAE: Recommends CBCT as a diagnostic tool in endodontics for specific situations, with proper justification and exposure to

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Description

Test your knowledge of the radiographs needed during endodontic therapy with this quiz. Learn about the different types of radiographs required at various stages of treatment.