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