Periodontics Periodontics SDLE MCQ | Part 4 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556 Periodontics Periodontics 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 / 56 Category: Periodontics 1) What is the most common clinical picture of thin biotype? McCall festoons Gingival recession Fenestration and dehiscence Stillman clefts Fenestration and dehiscence are common in thin biotypes. 2 / 56 Category: Periodontics 2) What instrument is used to measure gingival thickness? Castroviejo caliper Explorer Perio probe Scalpel The Castroviejo caliper is used to measure gingival thickness. 3 / 56 Category: Periodontics 3) What is the effect of placing an orthodontic band subgingivally? Gingival recession Gingival enlargement Tooth mobility Periodontitis Subgingival orthodontic bands can cause gingival recession. 4 / 56 Category: Periodontics 4) A smoker has generalized pocket depths of 3-4 mm. What is the stage and grade? Stage IV grade C Stage I grade B Stage II grade C Stage III grade C Stage II grade C periodontitis is characterized by 3-4 mm pockets in smokers. 5 / 56 Category: Periodontics 5) A patient has gingival enlargement after orthodontic treatment. What is the treatment? Gingivectomy with external bevel Scaling Gingivectomy with internal bevel Antibiotics Gingivectomy with an external bevel is used to treat gingival enlargement. 6 / 56 Category: Periodontics 6) Which statement is less likely correct about smoking and periodontal disease? Smoking decreases inflammation Smoking causes imbalance between bacteria and host response Smokers have more red and orange complex bacteria Smokers have more plaque Smokers do not necessarily have more plaque, but they have altered bacterial flora. 7 / 56 Category: Periodontics 7) A patient has pain and bone loss near upper #16 with an overhang restoration, 5 mm PD, and uncontrolled diabetes. What is the cause of bone resorption? Overhanging restoration Diabetes Trauma Periodontitis Overhanging restorations cause plaque accumulation, leading to bone resorption. 8 / 56 Category: Periodontics 8) A patient has 2 mm recession and 5 mm pocket depth. What is the CAL? 5 mm 3 mm 2 mm 7 mm Clinical attachment loss (CAL) is the sum of recession and pocket depth (2 + 5 = 7 mm). 9 / 56 Category: Periodontics 9) An X-ray shows overhangs on restorations. What is the management to control inflammation? Observation Antibiotics Scaling Remove overhangs Removing overhangs prevents plaque accumulation and inflammation. 10 / 56 Category: Periodontics 10) A diabetic patient lost all her mobile teeth. What is the cause? Caries Trauma Periodontitis Systemic disease Periodontitis is a common cause of tooth loss in diabetic patients. 11 / 56 Category: Periodontics 11) A patient bites on an olive seed and feels pain. What is the cause? Acute trauma from occlusion Periodontal abscess Cracked tooth Chronic trauma from occlusion Acute trauma from occlusion causes sudden pain. 12 / 56 Category: Periodontics 12) A patient has 2-3 mm bone loss under the CEJ in some areas. What does this indicate? Periodontitis Trauma Within normal limits Bone resorption 2-3 mm bone loss under the CEJ is considered within normal limits. 13 / 56 Category: Periodontics 13) What is important when deciding on root amputation/resection? Gingival phenotype Root anatomy Amount of keratinized tissue Bone density The amount of keratinized tissue is critical for successful root amputation. 14 / 56 Category: Periodontics 14) What is the sequence after RCT for a tooth needing crown lengthening? Crown lengthening, post/core, crown Cast post/core, ortho extrusion, crown Ortho extrusion, post/core, crown Post/core, crown lengthening, crown The sequence is cast post/core, ortho extrusion, and then crown placement. 15 / 56 Category: Periodontics 15) What is the relationship between stress and periodontal disease? Stress increases inflammation No relationship Stress leads to poor oral hygiene Psych patients are more prone to periodontitis Stress can lead to poor oral hygiene, increasing the risk of periodontal disease. 16 / 56 Category: Periodontics 16) What is the position of the Gracey curette shank during scaling? Perpendicular Slightly tilted Lower shank parallel to surface Lower shank parallel to long axis The lower shank should be parallel to the long axis of the tooth. 17 / 56 Category: Periodontics 17) A patient has isolated recession in lower incisors and a high frenum. What is the treatment? Gingivectomy Free gingival graft and frenectomy Connective tissue graft and frenectomy Observation Connective tissue graft with frenectomy is used to treat recession and high frenum. 18 / 56 Category: Periodontics 18) A patient has recession and reduced interdental papilla. What is the management? Osseous surgery Esthetic periodontal surgery Pocket reduction surgery Observation Esthetic periodontal surgery improves the appearance of recession and papilla loss. 19 / 56 Category: Periodontics 19) A tooth has 5 mm probing depth and 2 mm recession. What is the CAL? 7 mm 5 mm 2 mm 3 mm Clinical attachment loss (CAL) is the sum of probing depth and recession (5 + 2 = 7 mm). 20 / 56 Category: Periodontics 20) A patient has pain, fever, lymphadenopathy, and foul odor with normal bone levels. What is the diagnosis? Periodontitis NUG Gingivitis Peri-implantitis Necrotizing ulcerative gingivitis (NUG) presents with these symptoms. 21 / 56 Category: Periodontics 21) What is the effect of periodontal treatment on a diabetic patient? Increases HbA1c No effect Decreases HbA1c Worsens diabetes Periodontal treatment can improve glycemic control in diabetic patients. 22 / 56 Category: Periodontics 22) A bitewing shows 2 mm from the CEJ to the bone crest. What does this mean? Reduced bone level Gingivitis Periodontitis Normal 2 mm from the CEJ to the bone crest is considered normal. 23 / 56 Category: Periodontics 23) When do the first signs of gingival inflammation appear? 22-28 days 1-3 days 7-14 days 15-21 days The first signs of gingival inflammation appear within 7-14 days. 24 / 56 Category: Periodontics 24) A patient has an impacted #23. What is the expected gingival level after disimpaction? Recession Same as #13 Normal Overgrowth Recession is a common outcome after disimpaction of impacted canines. 25 / 56 Category: Periodontics 25) A 56-year-old patient with missing teeth and generalized horizontal bone loss needs implants. What is the treatment plan? Request OPG and proceed Request periapical radiographs and proceed Scaling, root planning, and re-evaluation Request CBCT and proceed Scaling, root planning, and re-evaluation are necessary before implants. 26 / 56 Category: Periodontics 26) What type of curette has an offset angle? Hoe Universal Gracey Chisel Gracey curettes have an offset angle for specific surfaces. 27 / 56 Category: Periodontics 27) A patient has a diastema between central incisors with blanching of the interdental papilla. What is the management? Orthodontics Observation Gingivectomy Frenectomy Frenectomy is used to address diastemas caused by a high frenum. 28 / 56 Category: Periodontics 28) Why are overhangs removed in restorations? To prevent caries To improve aesthetics To reduce sensitivity To prevent plaque accumulation and periodontal disease Overhangs are removed to prevent plaque accumulation, which can lead to periodontal disease. 29 / 56 Category: Periodontics 29) A patient has recession and metal appearance after 6 years of anterior crowns. What is the cause? Poor fit Biological width violation Excess cement Hard brushing Hard brushing can cause recession and expose metal margins. 30 / 56 Category: Periodontics 30) What is the primary mediator of gingival inflammation? Leukotrienes Prostaglandin Cytokines Histamine Prostaglandins are key mediators of inflammation in gingival tissues. 31 / 56 Category: Periodontics 31) A slightly supra-erupted #16 needs a lower crown. What is the treatment? No treatment Enameloplasty Ortho extrusion Extraction Enameloplasty is used to adjust the occlusal surface. 32 / 56 Category: Periodontics 32) A picture shows a lower incisor with recession. What is the treatment? Flap surgery Gingivectomy Observation Root coverage Root coverage is used to treat recession. 33 / 56 Category: Periodontics 33) A tooth has 1.5 mm mobility. What is the Miller classification? Class I Class III Class II Class IV Class II mobility involves 1-2 mm of horizontal displacement. 34 / 56 Category: Periodontics 34) A patient has class II furcation involvement with 4 mm depth and bleeding. What is the treatment? Refer to periodontist for flap surgery Root planning Furcation plasty Extraction Flap surgery is necessary for class II furcation involvement. 35 / 56 Category: Periodontics 35) A patient has 5 mm recession and non-keratinized tissue. What is the treatment? Flap surgery Gingivectomy Root coverage Observation Root coverage is used to treat recession and improve aesthetics. 36 / 56 Category: Periodontics 36) Where is the vertical release incision placed during GTR on #11? Mesial angle to #13 Distal angle to #12 Mesial angle to #12 Distal angle to #13 The vertical release incision is placed distal to #13 for access to #11. 37 / 56 Category: Periodontics 37) Why are overhangs removed in restorations? Allow calculus accumulation Prevent gram-negative bacteria growth Improve aesthetics Allow gram-positive bacteria growth Overhangs are removed to prevent plaque accumulation and gram-negative bacteria growth. 38 / 56 Category: Periodontics 38) A patient on Dilantin has gingival enlargement and heavy plaque. What is the initial management? Consult physician to change medication Gingivectomy Scaling Antibiotics Consulting the physician to change medication is the first step. 39 / 56 Category: Periodontics 39) A tooth has a 7 mm pocket depth with the junctional epithelium at the CEJ. What type of pocket is this? Combined pocket Pseudo pocket True pocket Gingival pocket A pseudo pocket occurs when the junctional epithelium is at the CEJ. 40 / 56 Category: Periodontics 40) A lower molar has grade III furcation involvement. What is the best way to preserve the tooth? Root amputation Hemisection Tunneling Odontoplasty Hemisection is used to preserve teeth with grade III furcation involvement. 41 / 56 Category: Periodontics 41) How long does minocycline stay in the pocket? 30 days 2 days 7 days 14 days Minocycline remains in the pocket for approximately 14 days. 42 / 56 Category: Periodontics 42) What is the main difference between necrotizing ulcerative gingivitis and desquamative gingivitis? Pain Inflammation Bleeding Foul odor Foul odor is a hallmark of necrotizing ulcerative gingivitis. 43 / 56 Category: Periodontics 43) What happens to GCF during inflammation? Decreases Disappears Increases No change GCF increases during inflammation due to increased vascular permeability. 44 / 56 Category: Periodontics 44) A patient has class I furcation involvement with 4 mm depth and bleeding. What is the treatment? Scaling and root planning with odontoplasty Extraction Flap surgery Gingivectomy Scaling and root planning with odontoplasty are used for class I furcation. 45 / 56 Category: Periodontics 45) How is gingival suppuration measured? Periopaper (blotter) Visual inspection Radiograph Probing Periopaper is used to measure gingival suppuration. 46 / 56 Category: Periodontics 46) Which bacteria are causative agents of gingivitis? T. denticola P. gingivalis Fusobacterium S. mutans Fusobacterium is a primary causative agent of gingivitis. 47 / 56 Category: Periodontics 47) A diabetic patient has calculus, severe bleeding, and deep pockets. What is the management? Doxycycline + Amoxicillin Augmentin CHX mouthwash Mechanical cleaning + CHX gel Mechanical cleaning with CHX gel is the first step in managing diabetic periodontitis. 48 / 56 Category: Periodontics 48) A male patient has generalized recession and reduced interdental papilla height. What is the treatment? Gingivectomy Aesthetic surgery Observation Pocket reduction surgery Aesthetic surgery is used to address recession and improve papilla height. 49 / 56 Category: Periodontics 49) A patient has erythematous gingiva, bleeding on probing, and deep pockets (7-11 mm). What is the management? Extraction Observation Antibiotics then scaling Scaling and root planning with antibiotics Scaling and root planning with antibiotics are necessary for deep pockets. 50 / 56 Category: Periodontics 50) A patient has erythema, bleeding, and bad odor after new crowns. What is the cause? Biological width violation Allergy Poor fit Plasma cell gingivitis Violation of biological width can cause inflammation and bleeding. 51 / 56 Category: Periodontics 51) What happens to the interdental papilla when teeth are moved apart by orthodontics? Adapts to the bone Splits and forms deep pockets Becomes fibrous Disappears The interdental papilla adapts to the bone when teeth are moved apart. 52 / 56 Category: Periodontics 52) A patient has generalized inflamed gingiva and a 5 mm pocket around an implant. What is the management? Scaling and root planning, OHI Topical antibiotic on implant pocket and CHX mouthwash Observation Extraction Topical antibiotics and CHX mouthwash are used to manage peri-implant inflammation. 53 / 56 Category: Periodontics 53) How is gingival suppuration determined? Place finger on apical margin and push coronally Probing Visual inspection Radiograph Pushing coronally on the apical margin helps determine suppuration. 54 / 56 Category: Periodontics 54) A patient with good oral hygiene and whitening toothpaste complains of gingival bleeding. What is the diagnosis? Plasma cell gingivitis Plaque-induced gingivitis Lichen planus Allergic reaction Plasma cell gingivitis is often caused by an allergic reaction to toothpaste. 55 / 56 Category: Periodontics 55) What is the minimum distance between the restoration margin and the bone crest? 3-4 mm 5-6 mm 7-8 mm 1-2 mm The minimum distance is 1-2 mm to maintain biological width. 56 / 56 Category: Periodontics 56) A patient has a deep pocket and high fever after scaling. What is the management? Antibiotics Extraction Observation Scaling and root planning with antibiotics Scaling and root planning with antibiotics are necessary for deep pockets and fever. 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