Endodontics Endodontics SDLE MCQ | Part 3 Facebook X LinkedIn Messenger Messenger WhatsApp Telegram Print Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Endodontics Endodontics SDLE MCQ | Part 3 DentQuiz SDLE Mock Exam Instruction To mark a question and come back to it later, click the Bookmark icon. For the best experience, use a computer and switch to full screen button (from the top left corner). You can review and change your answers before clicking Next. Explanations will appear after each question to help you understand the correct answer. Your results will be shown right after you finish the exam. This is a fresh attempt — previous answers or bookmarks won't be saved. The source of the questions and answers is recent Rafee’ Al-Maqam files. Special thanks to رفيع المقام. Answers are based on colleagues best efforts and may not be 100% accurate. If you believe an answer is incorrect, please click the Report button to let us know. Please fill in your details to continue NameEmailPhone Number 1 / 50 Category: Endodontics 1) A tooth with an abscess and no response to tests. What is the best management? Non-surgical RCT Scaling Surgical RCT Antibiotics Non-surgical RCT is the first line of treatment for necrotic teeth with abscess. 2 / 50 Category: Endodontics 2) A premolar with deep caries and no response to tests. What is the next step? Take EPT test RCT Extraction Remove caries and reassess Removing caries and reassessing is the next step. 3 / 50 Category: Endodontics 3) What type of resorption is associated with intracanal bleaching? Internal External replacement Surface External cervical Intracanal bleaching can cause external cervical resorption. 4 / 50 Category: Endodontics 4) A separated instrument in the middle third is bypassed. What is the prognosis? Questionable Good Poor Unpredictable The prognosis is questionable even if the instrument is bypassed. 5 / 50 Category: Endodontics 5) An 11-year-old with an avulsed tooth for over 60 minutes. What is the best action? Place in sodium hypochlorite Place in stannous fluoride Reimplant immediately Place in sodium fluoride Sodium fluoride helps preserve the tooth before reimplantation. 6 / 50 Category: Endodontics 6) What is the difference between crown-down and step-back techniques? More tissue removal Fewer instruments Coronal flare and low torsional flexure Less time Crown-down technique focuses on coronal flare and reduces torsional stress. 7 / 50 Category: Endodontics 7) What does bleeding during pulpotomy indicate? Necrosis Reversible pulpitis Irreversible pulpitis Normal Bleeding during pulpotomy often indicates irreversible pulpitis. 8 / 50 Category: Endodontics 8) How many roots does tooth #27 have? 2 3 4 1 Tooth #27 typically has 3 roots. 9 / 50 Category: Endodontics 9) What material is placed in the clot during revascularization of immature teeth? Calcium hydroxide Tribiotic Gutta-percha MTA MTA is used to seal the clot during revascularization. 10 / 50 Category: Endodontics 10) A pediatric patient has horizontal root fracture of primary incisors. What is the management? Extract coronal segment and leave apical Extract both segments Splint Observe and radiographic follow-up Extracting the coronal segment and leaving the apical portion is the best approach. 11 / 50 Category: Endodontics 11) What causes brown precipitation in endodontic treatment? Calcium hydroxide with saline MTA with saline Chx with sodium hypochlorite EDTA with sodium hypochlorite Chlorhexidine (Chx) with sodium hypochlorite causes brown precipitation. 12 / 50 Category: Endodontics 12) Which material has potential toxicity? Calcium hydroxide MTA Ferric sulfate Formocresol Formocresol is known for its potential toxicity. 13 / 50 Category: Endodontics 13) What does electric pulp testing (EPT) indicate? Presence of infection Severity of pulp inflammation Pulp vitality Tooth mobility EPT indicates pulp vitality, not the severity of inflammation. 14 / 50 Category: Endodontics 14) What is the most commonly reported dental trauma in children? Avulsion Complicated crown fracture Uncomplicated crown fracture Root fracture Avulsion is the most common trauma in pediatric dentistry. 15 / 50 Category: Endodontics 15) What is the most influential factor for successful reimplantation of an avulsed tooth? Storage medium Antibiotic Time Tetanus The time out of the socket is the most critical factor for success. 16 / 50 Category: Endodontics 16) What is the treatment for a separated instrument in the canal? Obturation until the file Apical surgery Bypass or retrieve Extraction Bypassing or retrieving the instrument is the preferred approach. 17 / 50 Category: Endodontics 17) A 7-year-old patient with asymptomatic deep caries has a pulp exposure during caries removal. No bleeding during pulpotomy. Why? It’s normal Inflamed pulp Necrotic pulp Healthy pulp Lack of bleeding indicates necrotic pulp. 18 / 50 Category: Endodontics 18) A replanted tooth shows apical resorption with a "scooped out" appearance. What is the management? Extraction Apical surgery and retrograde filling Follow-up Intracanal medicament Extraction is the best option if RCT was already performed. 19 / 50 Category: Endodontics 19) What is the main drawback of using MTA in direct pulp capping (DPC)? Potential toxicity High cost Long setting time Poor sealing ability MTA has a long setting time, which can be a drawback in clinical use. 20 / 50 Category: Endodontics 20) What is the initial way to diagnose vertical root fracture (VRF)? Occlusal X-ray MRI CBCT PA CBCT is the most accurate imaging modality for diagnosing VRF. 21 / 50 Category: Endodontics 21) A patient with a complicated fracture and open apex. What is the best treatment? Extraction Pulpectomy DPC RCT Direct pulp capping (DPC) is the best option for open apex cases. 22 / 50 Category: Endodontics 22) What is the best prognosis for horizontal root fractures? Middle Cervical Coronal Apical Apical fractures have the best prognosis. 23 / 50 Category: Endodontics 23) A tooth with a metal crown responds to EPT but not cold. What is the diagnosis? Reversible Normal Necrotic Irreversible A false positive EPT response with no response to cold indicates necrosis. 24 / 50 Category: Endodontics 24) What is the treatment for a tooth with open apex? Pulp revascularization Apexification Apexogenesis RCT Pulp revascularization is the preferred treatment for open apex teeth. 25 / 50 Category: Endodontics 25) Calcium hydroxide extruded beyond the apex with no symptoms. What is the management? Extraction RCT Follow-up Surgical removal Follow-up is sufficient if there are no symptoms. 26 / 50 Category: Endodontics 26) Where is the second canal located in a lower central incisor? Lingual Labial Distal Mesial The second canal in lower central incisors is typically lingual. 27 / 50 Category: Endodontics 27) A patient has throbbing and dull pain. Which nerve fibers are involved? Myelinated nerve fibers B Unmyelinated nerve fibers A Myelinated nerve fibers A Unmyelinated nerve fibers C Unmyelinated nerve fibers C are responsible for dull, throbbing pain. 28 / 50 Category: Endodontics 28) What is the best treatment for a 9-year-old with pulp exposure 3 hours post-trauma? RCT Pulpotomy DPC Pulpectomy Pulpotomy is the best option for recent pulp exposure in children. 29 / 50 Category: Endodontics 29) What is the treatment for pulp exposure after 3 days? RCT Cervical pulpotomy Partial pulpotomy with MTA Pulpotomy RCT is the best option for pulp exposure after 3 days. 30 / 50 Category: Endodontics 30) What is the best approach for RCT in a tooth with open apex? High concentration NaOCl Low concentration NaOCl Side-vented needle Ultrasonic irrigation Low concentration NaOCl is safer for open apex cases. 31 / 50 Category: Endodontics 31) Which endodontic instrument is the most flexible? H file K file Reamer Barbed broach The reamer is the most flexible endodontic instrument. 32 / 50 Category: Endodontics 32) What is the recommended isolation method for RCT in an asthmatic patient? Cotton rolls then rubber dam Rubber dam then cotton rolls Cotton rolls Rubber dam Rubber dam is the gold standard for isolation during RCT. 33 / 50 Category: Endodontics 33) What is the management for primary endo secondary perio? RCT then perio treatment Perio only RCT only Perio then RCT RCT should be done first, followed by periodontal treatment. 34 / 50 Category: Endodontics 34) A patient with trauma a year ago presents with throbbing pain. What is the best way to prevent complications? Double side vented needle Low concentration NaOCl Chx irrigation Single side vented needle A single side vented needle reduces the risk of pushing debris beyond the apex. 35 / 50 Category: Endodontics 35) What is the name of a fracture involving dentin, cementum, and pulp? Complicated Uncomplicated Enamel fracture Root fracture A fracture involving dentin, cementum, and pulp is called a root fracture. 36 / 50 Category: Endodontics 36) What type of resorption is seen in a tooth with a very short root 20 years post-trauma? Surface resorption Replacement resorption External cervical Internal Replacement resorption is common long after trauma. 37 / 50 Category: Endodontics 37) What is the initial radiograph modality for suspected VRF in a crowned tooth? BT PA CBCT MRI A periapical (PA) radiograph is the initial modality for suspected VRF. 38 / 50 Category: Endodontics 38) What are the steps after RCT for final restoration? Mounting, wax-up, preparation, provisional Preparation and provisional CL, post and core, and crown Extraction Proper planning with mounting and wax-up ensures a better final restoration. 39 / 50 Category: Endodontics 39) What happens to the permanent tooth after central intrusion? Buccally displaced Devitalization Hyperplasia of the root Palatally displaced Intrusion often leads to palatal displacement of the permanent tooth. 40 / 50 Category: Endodontics 40) What is the likely outcome if a patient undergoes RCT with ferric sulfate? Coronal tooth resorption Internal tooth resorption Apical tooth resorption External tooth resorption Ferric sulfate can cause internal resorption due to its irritant properties. 41 / 50 Category: Endodontics 41) What is the suitable obturation technique for internal resorption? Single cone Warm vertical compaction Cold lateral condensation Carrier-based Warm vertical compaction is effective for sealing internal resorption. 42 / 50 Category: Endodontics 42) What is the best management for a 1/3 crown fracture with normal pulpal response? Extraction Crown Elective endo and post and core Composite build-up Composite build-up is the best option for minor fractures with normal pulp. 43 / 50 Category: Endodontics 43) How long should an alveolar fracture be splinted? 7-8 weeks 2-3 weeks 4 weeks 1-2 weeks Alveolar fractures are usually splinted for 2-3 weeks. 44 / 50 Category: Endodontics 44) What are the components of RC-Prep? EDTA, saline, glycol EDTA, NaOCl, glycol EDTA, urea peroxide, glycol EDTA, Ca(OH)2, glycol RC-Prep contains EDTA, urea peroxide, and glycol. 45 / 50 Category: Endodontics 45) A tooth with a 7mm pocket and no pain. What is the treatment? Apical surgery Extraction Non-surgical RCT Amputation Amputation is the best option for localized deep pockets. 46 / 50 Category: Endodontics 46) How long should a dentoalveolar fracture be splinted? 6 weeks 8 weeks 4 weeks 2 weeks Dentoalveolar fractures are typically splinted for 4 weeks. 47 / 50 Category: Endodontics 47) A tooth has an isolated wide pocket, necrotic pulp, and radiolucency. What is the diagnosis? Combined endo-perio lesion Primary perio secondary endo Primary endo secondary perio Normal This is a classic case of primary endo with secondary perio involvement. 48 / 50 Category: Endodontics 48) What is the management for instruments pushed beyond the apex? Surgical Reattempt retrieval Follow-up Extraction Surgical intervention is often required for instruments beyond the apex. 49 / 50 Category: Endodontics 49) What is the best treatment for a 9-year-old with 3-4mm intrusion? Ortho reposition Follow-up RCT Extraction Follow-up is often sufficient for minor intrusions in children. 50 / 50 Category: Endodontics 50) What is the best obturation technique? Carries Cold lateral condensation Warm lateral condensation Single cone Warm lateral condensation provides a better seal. Your score is The average score is 83% Facebook Twitter 0% Restart quiz Please rate this exam and leave a comment with any notes or suggestions. Anonymous feedback Thank you for your feedback Send feedback Facebook X LinkedIn Messenger Messenger WhatsApp Telegram Print Share Facebook X LinkedIn Pinterest Reddit Messenger Messenger WhatsApp Telegram Share via Email Print
