Endodontics Endodontics SDLE MCQ | Part 4 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 4 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 4-year-old with intrusion trauma. What is the likely consequence to the permanent tooth? No effect Root resorption Devitalization of permanent Crown tipped palatally Intrusion can cause the permanent crown to tip palatally. 2 / 50 Category: Endodontics 2) A child with a complicated crown fracture and pinpoint pulp exposure after a motorcycle accident. What is the treatment? Dental pulp treatment with MTA Partial Pulpotomy with MTA RCT Pulectomy Partial pulpotomy with MTA is the best option for vital pulp. 3 / 50 Category: Endodontics 3) What is a characteristic of external resorption? Apical radiolucency Fixed radiolucency Coronal radiolucency Radiolucency moves with angle change External resorption shows radiolucency that moves with angle change. 4 / 50 Category: Endodontics 4) A patient with a suspected VRF and an isolated pocket. What is the best initial investigation? Occlusal radiograph PA Bitewing CBCT CBCT provides the most detailed imaging for VRF. 5 / 50 Category: Endodontics 5) How many roots are expected in tooth #17? 4 2 1 3 Tooth #17 typically has 3 roots. 6 / 50 Category: Endodontics 6) What is the temperature of Endo-Ice (1,1,1,2-tetrafluoroethane)? -26.2°C -30°C -15°C -10°C Endo-Ice has a temperature of -26.2°C. 7 / 50 Category: Endodontics 7) A patient has an isolated pocket, negative cold test, extensive bone loss, and minimal restoration. What is the likely diagnosis? Periodontitis Endo-perio lesion Perio-endo lesion True combined lesion Perio-endo lesions present with isolated pockets and bone loss. 8 / 50 Category: Endodontics 8) What gives MTA its radiopacity? Calcium oxide Bismuth oxide Zinc oxide Silica Bismuth oxide is added to MTA for radiopacity. 9 / 50 Category: Endodontics 9) A patient with a sinus tract and pain on tooth 26 after percussion. What is the next step? Extraction Sinus tract tracing EPT PA Sinus tract tracing helps identify the source of infection. 10 / 50 Category: Endodontics 10) A tooth with trauma 20 years ago shows no symptoms but does not respond to cold tests and has a calcified canal. What is the prognosis of non-surgical endo? Poor Good Fair Hopeless Calcified canals complicate treatment, leading to a fair prognosis. 11 / 50 Category: Endodontics 11) A 14-year-old with a complicated crown fracture involving 2/3 of the crown. What is the treatment? Pulpotomy DPC RCT Extraction Pulpotomy is the best option for young patients with vital pulp. 12 / 50 Category: Endodontics 12) A patient with a gingival abscess took antibiotics. What is the likely pulp condition? Reversible pulpitis Irreversible pulpitis Hyperemic pulp Obliterated pulp Antibiotics may not resolve irreversible pulpitis. 13 / 50 Category: Endodontics 13) What is the likely cause of a strip perforation on X-ray? Resorption Over-instrumentation Trauma Caries Over-instrumentation during endo can cause strip perforations. 14 / 50 Category: Endodontics 14) What type of X-ray is best for an avulsed tooth? CBCT and 2 PA Occlusal Bitewing OPG CBCT and periapical X-rays provide detailed information. 15 / 50 Category: Endodontics 15) A file broke in the apical part of the mesial root during endo. Bypassing and retrieval failed. What is the next step? Extraction Apical surgery Retreatment Obturate to the level of the broken file Obturating to the level of the broken file is a common approach. 16 / 50 Category: Endodontics 16) What type of injury involves tooth displacement buccally, lingually, mesially, or distally? Extrusion Lateral luxation Subluxation Intrusion Lateral luxation involves displacement in various directions. 17 / 50 Category: Endodontics 17) A patient presents with pain in tooth 37, which has difficult anatomy on X-ray. What is the best management? Extraction RCT Pulpotomy NSAID NSAIDs are the first step in managing pain before definitive treatment. 18 / 50 Category: Endodontics 18) How long should an avulsed tooth with an open apex be splinted after 2 hours? 2 weeks functional splint 8 weeks rigid splint 4-6 weeks functional splint 6 weeks A functional splint for 4-6 weeks is recommended for open apex teeth. 19 / 50 Category: Endodontics 19) A pink color on the crown indicates what? External resorption Necrosis Internal resorption Pulpitis Pink discoloration is a sign of internal resorption. 20 / 50 Category: Endodontics 20) What is the primary cause of internal resorption? Trauma Dento alveolar abscess Inflammation in coronal pulp Infection Inflammation in the coronal pulp is the main cause of internal resorption. 21 / 50 Category: Endodontics 21) What is a sign of incomplete pulp removal during pulpotomy? Uncontrolled hemorrhage Discoloration Swelling Pain Uncontrolled hemorrhage indicates incomplete pulp removal. 22 / 50 Category: Endodontics 22) Why might gutta-percha extrude during obturation? No control on material Short root Long root Type of obturation technique Lack of control during obturation can cause extrusion. 23 / 50 Category: Endodontics 23) Which instrument is used to detect crown-root fractures? D16 explorer Tooth sloth D1 explorer Periodontal probe A tooth sloth is used to detect crown-root fractures. 24 / 50 Category: Endodontics 24) What is the main disadvantage of silver points? Inadequate seal Difficult removal Toxicity Corrosion Silver points often fail to provide an adequate seal. 25 / 50 Category: Endodontics 25) What is the typical working length of a K-file? 30 mm 25 mm 20 mm 16 mm The standard working length for a K-file is often 16 mm. 26 / 50 Category: Endodontics 26) A patient with severe pain, isolated deep pocket, and bone loss distal to #47. What is the management? Extraction GTR Apical surgery RCT Extraction is often the best option for severe pain and bone loss. 27 / 50 Category: Endodontics 27) How long should an avulsed tooth be splinted if extraoral time is 45 minutes? 8 weeks rigid splint 2-3 weeks functional splint 6 weeks 4 weeks A functional splint for 2-3 weeks is recommended. 28 / 50 Category: Endodontics 28) A 7-year-old with 5 mm of intrusion. What is the management? Ortho repositioning Wait 3 weeks Surgical repositioning Extract Waiting 3 weeks allows for spontaneous repositioning. 29 / 50 Category: Endodontics 29) How should a furcal perforation be managed? Immediately seal with MTA GIC Leave open Extract MTA is the best material for sealing furcal perforations. 30 / 50 Category: Endodontics 30) What is the diameter of a Gates Glidden size 2? 0.5 mm 0.6 mm 0.7 mm 0.8 mm Gates Glidden size 2 has a diameter of 0.7 mm. 31 / 50 Category: Endodontics 31) A patient with a poorly obturated tooth #21 and radiolucency. What is the management? Re-RCT Cyst enucleation Apical surgery Extraction Re-RCT is the first step in managing poor obturation. 32 / 50 Category: Endodontics 32) What is the pH of sodium hypochlorite? 9 7 11 5 Sodium hypochlorite has a high pH of around 11. 33 / 50 Category: Endodontics 33) What is the prognosis of a tooth with a supracrestal perforation? Fair Good Hopeless Poor Supracrestal perforations often have a poor prognosis due to bone loss. 34 / 50 Category: Endodontics 34) A patient with lingering pain for 30 minutes, no sensitivity to percussion, and normal apical tissue. What is the treatment? Pulpotomy RCT Pulpectomy Extraction Pulpotomy is the best option for lingering pain with vital pulp. 35 / 50 Category: Endodontics 35) How many canals are expected in tooth #34? 3 2 4 1 Tooth #34 usually has 2 canals. 36 / 50 Category: Endodontics 36) Which dental material requires careful handling due to its caustic nature? Sodium hypochlorite Calcium hydroxide Ferric sulfate Formocresol Formocresol is highly caustic and requires careful handling. 37 / 50 Category: Endodontics 37) A canal is 21 mm, but after cleaning and shaping, the file reaches only 19 mm. What happened? Fracture Blockage Perforation Ledge A ledge can prevent the file from reaching the full length. 38 / 50 Category: Endodontics 38) What is a characteristic of vertical root fracture (VRF)? Deep wide isolated pocket Generalized bone loss Deep narrow isolated pocket Apical radiolucency VRF often presents with a deep narrow isolated pocket. 39 / 50 Category: Endodontics 39) A 14-year-old with a crown fracture involving enamel, dentin, and pinpoint pulp exposure. What is the treatment? RCT DPC Indirect pulp capping Cvek pulpotomy Cvek pulpotomy is the best option for young patients with vital pulp. 40 / 50 Category: Endodontics 40) How should a supracrestal perforation be managed? Leave open Extract Seal with MTA Seal with GIC MTA is the best material for sealing supracrestal perforations. 41 / 50 Category: Endodontics 41) What percentage of accessory canals are found in the apical third? 11% 15% 20% 74% 74% of accessory canals are located in the apical third. 42 / 50 Category: Endodontics 42) Which instrument is used for removing pulp tissue? Pesso reamer Lentulospiral Gates Glidden Barber broach Barber broach is designed to remove pulp tissue. 43 / 50 Category: Endodontics 43) What is the color of an H-file size 60? Red Blue Yellow Green H-file size 60 is typically blue. 44 / 50 Category: Endodontics 44) A 4-year-old with intruded primary incisors touching the permanents. What is the management? Monitor Reposition and splint Extract both teeth Allow for spontaneous eruption Extraction is recommended to prevent damage to permanent teeth. 45 / 50 Category: Endodontics 45) What is the likely cause of a separated instrument in the middle of the canal? Improper access Overuse Manufacturer error Poor technique Improper access can lead to instrument separation. 46 / 50 Category: Endodontics 46) A patient has pain with cold drinks. What is the first diagnostic step? Cold test X-ray EPT Percussion A cold test helps diagnose pulp vitality. 47 / 50 Category: Endodontics 47) What is the best treatment for pinpoint pulp exposure? MTA GIC Resin CaOH liner MTA is preferred for pinpoint pulp exposure due to its sealing properties. 48 / 50 Category: Endodontics 48) Excessive bleeding during cleaning and shaping with a moved stopper indicates what? Fracture Sodium hypochlorite accident Perforation Overfilling Excessive bleeding and a moved stopper suggest perforation. 49 / 50 Category: Endodontics 49) What percentage of gutta-percha is in a GP cone? 30% 40% 50% 20% GP cones typically contain 20% gutta-percha. 50 / 50 Category: Endodontics 50) What characterizes subluxation? Increased mobility, no displacement Displacement No mobility, no displacement Fracture Subluxation involves increased mobility without displacement. Your score is The average score is 0% 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