Orthodontics Orthodontics 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% 1234567891011121314151617181920212223 Orthodontics Orthodontics 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 / 23 Category: Orthodontics 1) A 9-year-old patient has crowding in the lower jaw. Which tooth is most likely malaligned? Lateral incisor Canine Second premolar First premolar Lateral incisors are often malaligned in cases of crowding. 2 / 23 Category: Orthodontics 2) A patient has an ulcer at the end of the buccal mucosa due to orthodontic treatment. What is the most likely cause? Normal adjustment pain Infection Broken bracket Extended wire An extended wire is a common cause of buccal mucosal ulcers. 3 / 23 Category: Orthodontics 3) A patient has Class II malocclusion and lower crowding of 9 mm. What is the best treatment? Extract upper first premolars and lower second premolars Extract upper second premolars and lower first premolars No extraction Orthognathic surgery Extracting upper first premolars and lower second premolars is a common treatment for Class II with crowding. 4 / 23 Category: Orthodontics 4) What is the best management for pseudo Class III malocclusion? Protraction of the maxilla Retraction of the mandible Lip bumper No treatment Retracting the mandible can correct pseudo Class III malocclusion. 5 / 23 Category: Orthodontics 5) A 22-year-old patient has Class II malocclusion with a good facial profile and well-aligned lower teeth. What is the best treatment? No treatment Functional appliance Extract upper first premolars Orthognathic surgery Extracting upper first premolars is a common treatment for Class II with good facial profile. 6 / 23 Category: Orthodontics 6) A child has Class II malocclusion and mandibular hyperdivergence. What is the best treatment? No treatment High-pull headgear Functional appliance Facemask High-pull headgear is effective for managing hyperdivergent Class II cases. 7 / 23 Category: Orthodontics 7) A patient wants to finish orthodontic treatment quickly. What is the best option? No treatment Surgery Accelerated orthodontics Cortical perforation Cortical perforation can accelerate tooth movement. 8 / 23 Category: Orthodontics 8) A patient with a quad helix appliance has tongue irritation. What is the best management? Reassure the patient Adjust the appliance Prescribe medication Remove the appliance Reassuring the patient is the first step, as tongue irritation is common initially. 9 / 23 Category: Orthodontics 9) An 11-year-old patient has Class II skeletal malocclusion due to a retruded mandible. What is the best appliance? Fixed orthodontic appliance Headgear Functional appliance Facemask Functional appliances are effective for enhancing mandibular growth. 10 / 23 Category: Orthodontics 10) An adult patient needs uprighting of a mesially tilted molar. Why does this take more time? Reestablishing occlusion Bone density Tooth size Patient age Reestablishing occlusion is the primary reason for the extended treatment time. 11 / 23 Category: Orthodontics 11) A 5-year-old patient has a crossbite. What is the best management? Wait for mixed dentition Use a fixed appliance No treatment Use a removable appliance Treatment is often deferred until mixed dentition in young patients. 12 / 23 Category: Orthodontics 12) Which appliance is tooth-borne? Quad helix Twin block Facemask Hyrax The Hyrax appliance is a tooth-borne expander. 13 / 23 Category: Orthodontics 13) A mother is concerned about her child’s retruded mandible. What measurement determines mandibular position? SNA ANB SNB SN-MP SNB is used to assess the position of the mandible. 14 / 23 Category: Orthodontics 14) A 2-year-old child sucks their thumb during sleep. What is the best management? Use a fixed habit-breaking appliance Defer treatment until age 8 Use a removable habit-breaking appliance No treatment Thumb-sucking in very young children is normal and does not require immediate treatment. 15 / 23 Category: Orthodontics 15) A pediatric patient has impingement of lower teeth in the palate. What is the best management? Use a fixed appliance Use a removable appliance Refer to orthodontics No treatment Orthodontic referral is necessary for proper management. 16 / 23 Category: Orthodontics 16) A 12-year-old patient has Class III malocclusion with a normal mandibular position. What is the best treatment? No treatment Slow expansion Surgery Rapid expansion Rapid expansion is effective for Class III with normal mandibular position. 17 / 23 Category: Orthodontics 17) A patient has plaque, calculus, and tooth destruction. What is needed after orthodontic treatment? No treatment Crowns Scaling and root planing Root canal therapy Crowns are necessary to restore severely destructed teeth. 18 / 23 Category: Orthodontics 18) A patient has Class III malocclusion with maxillary hypoplasia. What is the best treatment? No treatment Headgear Facemask Mouthguard A facemask is effective for correcting maxillary hypoplasia in Class III cases. 19 / 23 Category: Orthodontics 19) A 7-year-old patient has Class III malocclusion with a normal mandibular position. What is the best treatment? Rapid expansion No treatment Slow expansion Surgery Slow expansion is preferred for young patients with Class III malocclusion. 20 / 23 Category: Orthodontics 20) A patient has a unilateral crossbite with midline shift and bilateral crossbite. What is the best treatment? Bilateral expansion Unilateral expansion No treatment Surgery Bilateral expansion is necessary to correct the midline shift and crossbite. 21 / 23 Category: Orthodontics 21) A 5-year-old patient has a lateral shift of the mandible when closing. What is the best management? Expansion Disking interfering tooth Wait for permanent teeth No treatment Disking the interfering tooth can correct the lateral shift. 22 / 23 Category: Orthodontics 22) A patient has ANB = 6. What is the classification? Normal occlusion Class III Class I Class II ANB = 6 indicates Class II malocclusion. 23 / 23 Category: Orthodontics 23) A patient has a diastema caused by a frenal attachment. What is the best treatment? Frenectomy Surgery Orthodontic treatment No treatment Frenectomy is necessary to address the frenal attachment causing the diastema. Your score is The average score is 64% 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
