Endodontic Retreatment Procedure

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What is the primary rationale behind nonsurgical retreatment in endodontics?

To remove the root canal filling materials to facilitate further treatment

To remove the content of the root canal space as a source of irritation to the attachment apparatus (correct)

To reinstall the original root canal filling materials

To create a new cavity design for the tooth

Which of the following is a common complication of endodontic instrumentation?

Under-preparation of the root canal

Under-filling of the root canal

Over-contouring of the root canal

Over-extension of root filling materials (correct)

What is the primary reason for inadequate cleaning and shaping of the root canal system?

Inadequate use of endodontic files

Failure to entomb bacteria with proper three-dimensional obturation (correct)

Inadequate use of irrigation solutions

Poor coronal seal

Which of the following microorganisms is commonly associated with endodontic infections?

Enterococcus Faecalis Signup and view all the answers

What is the primary method of preventing coronal leakage in endodontics?

Using a coronal sealant Signup and view all the answers

What is the primary concern associated with overextended fillings and sealers?

Bacterial contamination Signup and view all the answers

Which of the following is a type of periapical lesion that requires enucleation?

True cyst with epithelial lining Signup and view all the answers

What is the primary goal of crown disassembly during non-surgical retreatment?

To gain access to the apical area Signup and view all the answers

What is a common complication associated with the use of ultrasonic and laser radiation during endodontic instrumentation?

Ceramic cracks Signup and view all the answers

What is the primary concern associated with Enterococcus faecalis infection in endodontic treatment?

Coronal leakage Signup and view all the answers

What is a major disadvantage of using calcium hydroxide for perforation repair?

It can cause necrosis at the site of perforation Signup and view all the answers

Which material is preferred for furcal perforation repair due to its ability to produce a higher concentration of hydroxyapatite?

Calcium Enriched Mixture Signup and view all the answers

What is a characteristic of MTA that makes it difficult to manipulate?

It has a long setting time Signup and view all the answers

What is the advantage of using Biodentin for perforation repair?

It has a short setting time and easy manipulation Signup and view all the answers

Which material has a mechanical bond due to its nanoparticle properties?

Endosequence Signup and view all the answers

Which type of post requires the most difficult removal technique?

Ceramic post Signup and view all the answers

What is the primary method of removing remaining fragments of a fiber post?

Using the post drill Signup and view all the answers

Which removal kit is specifically designed for removing fiber posts?

Manufacturers removal kit Signup and view all the answers

What is the primary function of the GyroTip bur?

To create a pilot channel down the center of the post Signup and view all the answers

Which solvent is commonly used in the 'Wicking Action' method for removing previous filling materials?

Chloroform Signup and view all the answers

What technique is recommended when dealing with overextended GP?

Using a H-file 0.5-1mm beyond the apex with gentle clockwise rotation Signup and view all the answers

What type of carrier is considered easier to use?

Plastic carrier Signup and view all the answers

What is the recommended method for removing hard pastes from the canal?

Using abrasively coated straight ultrasonic tips Signup and view all the answers

What is the purpose of using micro-debriders in endodontic treatment?

To remove debris from the canal Signup and view all the answers

What is the recommended method for removing soft pastes from the canal?

Using irrigation in a crown-down mechanical technique Signup and view all the answers

What is the primary drawback of using laser beam in crown removal?

It is dangerous when not directed properly Signup and view all the answers

What is the primary concern associated with removal of restorative materials during non-surgical retreatment?

It may cause harm to the patient and ligament Signup and view all the answers

What is the primary advantage of using automatic reactivation during non-surgical retreatment?

It is easy to use and has a simple design Signup and view all the answers

What is the primary factor that affects the removal of posts during non-surgical retreatment?

All of the above Signup and view all the answers

What is the primary complication associated with the use of ultrasonic and laser radiation during endodontic instrumentation?

It can cause permanent damage to FPDs Signup and view all the answers

What is the primary advantage of using atraumatic technique during crown removal?

It does not damage the restoration Signup and view all the answers

What is the primary concern associated with the removal of FPDs during non-surgical retreatment?

It can cause harm to the patient and ligament Signup and view all the answers

What is the primary advantage of using pneumatic/automatic thermoplastic resin during non-surgical retreatment?

It allows for removal of FPD without damage to the tooth Signup and view all the answers

What is the primary factor that affects the removal of posts during non-surgical retreatment?

All of the above Signup and view all the answers

What is the primary concern associated with the use of crown splitters during non-surgical retreatment?

It can cause permanent damage to the restoration Signup and view all the answers

What is the primary purpose of creating a staging platform during endodontic treatment?

To alter the bud of GG by cutting at maximum cross-section diameter Signup and view all the answers

What is a major factor in determining the level of instrument separation?

The root thickness and external root concavities Signup and view all the answers

What is the primary purpose of using transillumination during endodontic treatment?

To visualize the root canal anatomy Signup and view all the answers

What is a common complication of endodontic instrumentation?

Ledges and blockages Signup and view all the answers

What is the primary purpose of using sodium hypochlorite irrigation during endodontic treatment?

To dissolve organic tissue and reduce bacteria Signup and view all the answers

Endodontic Retreatment Procedure

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Questions and Answers

What is the primary rationale behind nonsurgical retreatment in endodontics?

Which of the following is a common complication of endodontic instrumentation?

What is the primary reason for inadequate cleaning and shaping of the root canal system?

Which of the following microorganisms is commonly associated with endodontic infections?

What is the primary method of preventing coronal leakage in endodontics?

What is the primary concern associated with overextended fillings and sealers?

Which of the following is a type of periapical lesion that requires enucleation?

What is the primary goal of crown disassembly during non-surgical retreatment?

What is a common complication associated with the use of ultrasonic and laser radiation during endodontic instrumentation?

What is the primary concern associated with Enterococcus faecalis infection in endodontic treatment?

What is a major disadvantage of using calcium hydroxide for perforation repair?

Which material is preferred for furcal perforation repair due to its ability to produce a higher concentration of hydroxyapatite?

What is a characteristic of MTA that makes it difficult to manipulate?

What is the advantage of using Biodentin for perforation repair?

Which material has a mechanical bond due to its nanoparticle properties?

Which type of post requires the most difficult removal technique?

What is the primary method of removing remaining fragments of a fiber post?

Which removal kit is specifically designed for removing fiber posts?

What is the primary function of the GyroTip bur?

Which solvent is commonly used in the 'Wicking Action' method for removing previous filling materials?

What technique is recommended when dealing with overextended GP?

What type of carrier is considered easier to use?

What is the recommended method for removing hard pastes from the canal?

What is the purpose of using micro-debriders in endodontic treatment?

What is the recommended method for removing soft pastes from the canal?

What is the primary drawback of using laser beam in crown removal?

What is the primary concern associated with removal of restorative materials during non-surgical retreatment?

What is the primary advantage of using automatic reactivation during non-surgical retreatment?

What is the primary factor that affects the removal of posts during non-surgical retreatment?

What is the primary complication associated with the use of ultrasonic and laser radiation during endodontic instrumentation?

What is the primary advantage of using atraumatic technique during crown removal?

What is the primary concern associated with the removal of FPDs during non-surgical retreatment?

What is the primary advantage of using pneumatic/automatic thermoplastic resin during non-surgical retreatment?

What is the primary factor that affects the removal of posts during non-surgical retreatment?

What is the primary concern associated with the use of crown splitters during non-surgical retreatment?

What is the primary purpose of creating a staging platform during endodontic treatment?

What is a major factor in determining the level of instrument separation?

What is the primary purpose of using transillumination during endodontic treatment?

What is a common complication of endodontic instrumentation?

What is the primary purpose of using sodium hypochlorite irrigation during endodontic treatment?

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