Periodontics Periodontics SDLE MCQ | Part 3 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Periodontics Periodontics 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: Periodontics 1) A patient has a short clinical crown with 2 mm between the CEJ and the bone crest. What is the treatment? Ortho extrusion Scaling Gingivectomy Crown lengthening Gingivectomy is used to address excess gingival tissue. 2 / 50 Category: Periodontics 2) How deep can toothbrush bristles penetrate the sulcus? 2 - 3 mm 3 - 4 mm 0.5 - 1 mm 1 - 2 mm Toothbrush bristles can penetrate 0.5 - 1 mm into the sulcus. 3 / 50 Category: Periodontics 3) What is another name for the clear gingival sulcus? Gingival margin Mucogingival junction Interdental papilla Gingival crevice The gingival crevice is another term for the gingival sulcus. 4 / 50 Category: Periodontics 4) What is the position of the shank during scaling? 75 degrees Perpendicular to long axis Parallel to long axis 45 degrees The shank should be parallel to the long axis of the tooth during scaling. 5 / 50 Category: Periodontics 5) A patient has 2 mm between the CEJ and bone. What does this indicate? Reduced alveolar bone level Periodontitis Normal alveolar bone level Gingivitis 2 mm between the CEJ and bone is considered normal. 6 / 50 Category: Periodontics 6) A patient has swelling after eating fish post-scaling. What is the diagnosis? Periodontal abscess Peri-implantitis Gingival abscess Osteomyelitis A gingival abscess is likely after trauma or food impaction. 7 / 50 Category: Periodontics 7) What is the treatment sequence for a tooth needing endo, ortho extrusion, and a crown? Endo, crown, ortho extrusion Crown, endo, ortho extrusion Endo, ortho extrusion, crown Ortho extrusion, endo, crown The sequence is endo, ortho extrusion, and then crown placement. 8 / 50 Category: Periodontics 8) A radiograph shows supragingival calculus. What instrument is used for scaling? Scaler Curette Chisel Hoe Scalers are used to remove supragingival calculus. 9 / 50 Category: Periodontics 9) A patient has foul odor during final exams. What is the first step? Antibiotics Measure probing depth Superficial scaling Remove pseudomembrane Removing the pseudomembrane is the first step in managing necrotizing gingivitis. 10 / 50 Category: Periodontics 10) A patient has a fever and inflamed gingiva 2 days after scaling. What is the management? Local ABX + scaling Systemic ABX + scaling Observation Scaling Systemic antibiotics and scaling are needed to manage post-scaling infections. 11 / 50 Category: Periodontics 11) A patient has a 5 mm probing depth on a lower canine, no inflammation, and 4 mm attached gingiva. What is the diagnosis? Periodontitis Deficient attached gingiva Healthy periodontium Gingival overgrowth (fibrotic) Gingival overgrowth (fibrotic type) is likely in the absence of inflammation. 12 / 50 Category: Periodontics 12) A young adult with orthodontic treatment has gingival enlargement. What is the first step? Gingivectomy Observation SRP and re-evaluation Antibiotics Scaling and root planning (SRP) with re-evaluation is the first step. 13 / 50 Category: Periodontics 13) A picture shows bone resorption due to overhanging restorations. What is the etiological factor? Poor oral hygiene Trauma Systemic disease Plaque Plaque accumulation due to overhangs causes bone resorption. 14 / 50 Category: Periodontics 14) A diabetic patient with HbA1c of 8, 9, and 11 needs implants and bone grafts. What is the treatment plan? Phase I treatment and defer Keep treatment as is Phase I and II Change treatment plan Phase I treatment and deferring further treatment until diabetes is controlled is essential. 15 / 50 Category: Periodontics 15) A patient is unhappy with their smile, has a short clinical crown, and a 12 mm sulcus depth. What is the treatment? Gingivectomy Ortho extrusion Scaling Crown lengthening Crown lengthening is the best option for improving the appearance of short crowns. 16 / 50 Category: Periodontics 16) A patient has discomfort around an implant with excellent oral hygiene. What is the cause? Insufficient keratinized tissue Poor implant placement Peri-implantitis Overloading Insufficient keratinized tissue can cause discomfort around implants. 17 / 50 Category: Periodontics 17) A patient has pain and grade 1 mobility after a mesial restoration. Radiographs show funneling in the PDL. What is the diagnosis? Primary occlusal trauma Acute trauma Chronic trauma Secondary occlusal trauma Primary occlusal trauma is caused by excessive forces on a healthy periodontium. 18 / 50 Category: Periodontics 18) A smoker has a lesion that disappears when stretched. What is the management? Smoking cessation Follow-up Antibiotics Biopsy Follow-up is necessary to monitor the lesion. 19 / 50 Category: Periodontics 19) A patient has a deep distal pocket in #35 and is referred for surgery on #36. What is the procedure? Guided bone regeneration Root amputation Guided tissue regeneration Flap surgery Guided tissue regeneration (GTR) is used to treat deep pockets. 20 / 50 Category: Periodontics 20) A patient has bleeding after laser gingivectomy. What is the cause? Allergic reaction Violation of biological width Infection Poor technique Violation of biological width can cause post-operative bleeding. 21 / 50 Category: Periodontics 21) A patient wants to replace #21 with an implant but has poor oral hygiene and caries on #22. What is the first step? Do the implant Do the lower RPD Restore #22 Scaling and root planning Scaling and root planning are the first steps to improve oral hygiene. 22 / 50 Category: Periodontics 22) A picture of a curette is shown without labeling. Which specific area is used for scaling? Lingual Facial Mesial post Distal post The mesial post area of the curette is used for scaling mesial surfaces. 23 / 50 Category: Periodontics 23) A patient has grade II furcation involvement and generalized horizontal bone loss. What is the treatment? Extraction Resection GTR Plasty Guided tissue regeneration (GTR) is used to treat furcation involvement. 24 / 50 Category: Periodontics 24) A patient with TB needs priority treatment. What is the first step? Ultrasonic scaling Observation Antibiotics Hand scaling and root planning Hand scaling and root planning are the first steps in managing periodontal disease. 25 / 50 Category: Periodontics 25) A patient has hypersensitivity and localized ulcers after scaling. What is the management? Localized antibiotics Topical steroid Desensitizing agent Redo scaling Topical steroids reduce inflammation and ulcer symptoms. 26 / 50 Category: Periodontics 26) A patient has recession on the MB cusp of an upper first molar with a deep pocket. What is the management? GTR Root amputation Extraction Hemisection Root amputation is used to manage deep pockets in multi-rooted teeth. 27 / 50 Category: Periodontics 27) A radiograph shows vertical bone loss mesial to a premolar and a graft above the ridge. What is the procedure? Flap surgery Guided tissue regeneration Guided bone regeneration Root amputation Guided bone regeneration (GBR) is used to treat vertical bone loss. 28 / 50 Category: Periodontics 28) A patient has 1 mm recession and sensitivity. What is the first action? Observation Scaling Prescribe anti-sensitivity agent Root planning Anti-sensitivity agents are the first step in managing sensitivity. 29 / 50 Category: Periodontics 29) A patient wants crowns but has bleeding and pocket depths of 2-3 mm. What is the appropriate action? SRP and polishing SRP every 4 weeks Observation Polishing and prep Scaling and root planning (SRP) with polishing is necessary before crowns. 30 / 50 Category: Periodontics 30) A healthy smoker with deep pockets needs topical antibiotics. Which antibiotic is best? Doxycycline gel Minocycline gel Metronidazole gel Tetracycline fibers Doxycycline gel is effective for treating deep periodontal pockets. 31 / 50 Category: Periodontics 31) A patient with stage II periodontitis has root sensitivity after scaling. What should they expect? Root sensitivity Tooth mobility Root caries Gingival recession Root sensitivity is common after scaling and root planning. 32 / 50 Category: Periodontics 32) What is the procedure shown in the image? Guided tissue regeneration Root amputation Flap surgery Guided bone regeneration Guided bone regeneration (GBR) is the procedure shown. 33 / 50 Category: Periodontics 33) A diabetic patient has gingival swelling apical to #46 and a buccal pocket. What is the diagnosis? Periodontal abscess Osteomyelitis Gingival abscess Peri-implantitis A periodontal abscess is likely in the presence of a buccal pocket. 34 / 50 Category: Periodontics 34) A patient had orthodontic treatment removed due to inflamed gingiva and no bone loss. What is the treatment? Root planning Scaling and gingivectomy Observation Antibiotics Scaling and gingivectomy are used to manage inflamed gingiva post-orthodontics. 35 / 50 Category: Periodontics 35) What are the periodontal effects of smoking? No effect Decreased gingival inflammation and BOP Increased gingival inflammation and decreased BOP Increased BOP Smoking increases gingival inflammation but decreases bleeding on probing (BOP). 36 / 50 Category: Periodontics 36) A 42-year-old patient has sudden mobility of upper central incisors with erythematous gingival margins. What is the diagnosis? Periodontitis Pathological migration Necrotizing gingivitis Gingivitis Pathological migration is the likely cause of sudden tooth mobility. 37 / 50 Category: Periodontics 37) A case with 0.5 mm ferrule, 5 mm remaining GP, and 2/3 post length. The crown fractured. What is the cause? Insufficient post length Poor cementation Insufficient ferrule effect Insufficient GP Insufficient ferrule effect is a common cause of crown fracture. 38 / 50 Category: Periodontics 38) What is the position of the shank during scaling? 45 degrees Parallel to long axis Parallel to the surface being treated 75 degrees The shank should be parallel to the surface being treated during scaling. 39 / 50 Category: Periodontics 39) A patient needs perio surgery on #36 with distal bone resorption. What incision is used? Intrasulcular Semilunar Submarginal Vertical Intrasulcular incisions are used for access during periodontal surgery. 40 / 50 Category: Periodontics 40) A patient has a short clinical crown with gingivitis and is unhappy with their appearance. What is the management? Gingivoplasty + lengthening Crown lengthening Scaling and follow-up Gingivectomy Crown lengthening improves the appearance of short clinical crowns. 41 / 50 Category: Periodontics 41) A 66-year-old patient has a necrotic #12 with bone loss to the mid-root. What is the cause? Caries Trauma Dens invaginatus Periodontal defect A periodontal defect is the likely cause of bone loss and necrosis. 42 / 50 Category: Periodontics 42) What is the distance between calculus and bone? 1.97 mm 2.97 mm 4.97 mm 3.97 mm The distance between calculus and bone is typically 1.97 mm. 43 / 50 Category: Periodontics 43) A patient has 5 mm from the gingival margin to the bone crest, 2 mm from the restoration margin to the bone crest, and 2 mm of tooth structure above the margin. What does this indicate? Sufficient ferrule and supracrestal attachment Insufficient supracrestal attachment and sufficient ferrule Insufficient attachment Insufficient ferrule The measurements indicate sufficient ferrule and supracrestal attachment. 44 / 50 Category: Periodontics 44) What is the best method to diagnose plaque? Disclosing agent Probing Radiograph Swab with cotton roll Disclosing agents visually highlight plaque accumulation. 45 / 50 Category: Periodontics 45) A patient has bleeding during brushing and probing. What stage of inflammation is this? Neutrophil Plasma cell Leukocyte T Leukocyte B Leukocyte T stage is associated with bleeding during probing. 46 / 50 Category: Periodontics 46) Where should the vertical incision be placed for perio surgery on #11? Mesial to #12 Mesial to #13 Distal to #13 Distal to #12 The vertical incision should be placed mesial to #13 for access to #11. 47 / 50 Category: Periodontics 47) What is the angle of the blade in a cutting instrument (4-number formula)? 3 4 5 6 The angle of the blade in a 4-number formula is typically 4. 48 / 50 Category: Periodontics 48) What indicates periodontal disease progression? Tooth mobility Gingival recession Bleeding on probing Increased CAL or deeper pockets Increased clinical attachment loss (CAL) or deeper pockets indicate disease progression. 49 / 50 Category: Periodontics 49) A patient on cyclosporine has malaligned teeth, bad breath, and CAL of 5-6 mm. What should be treated first? Bad breath Malaligned teeth Gingival enlargement Oral hygiene Gingival enlargement should be addressed first to improve overall oral health. 50 / 50 Category: Periodontics 50) A patient has multiple deep pockets after perio treatment. What is the goal of periodontal surgery? Pocket reduction Root coverage Bone grafting Gingivectomy Pocket reduction is the primary goal of periodontal surgery. Your score is The average score is 69% 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