QUESTIONS WITH VERIFIED ANSWERS With rationales
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Should Questionable Teeth be extracted Before or After Radiation Therapy? - Correct Answers
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BEFORE to prevent Osteoradionecrosis
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Il` Contraindications for Extraction - Correct Answers 1. Unstable Diabetes Il` Il` Il` Il` Il` Il` Il` Il` Il` Il` Il` Il`
2. End Stage Renal Disease
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3. Unstable Angina
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4. Leukemia and Lymphoma
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5. Hemophilia or Platelet Disorder
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6. Head and Neck Radiation (Requires HYPERBARIC OXYGEN Before and After)
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7. IV Bisphosphonates
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8. Periocoronitis
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Il` What are the most likely teeth to be impacted? - Correct Answers 1. MD 3rd Molars
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2. MX 3rd Molars
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3. MX Canines
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Il` What are the most likely teeth to be congenitally missing? - Correct Answers 1. 3rd Molars
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2. MX Lateral Incisors
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3. MD 2nd Premolars
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Il` Soft Tissue Impaction - Correct Answers 1. HoC is ABOVE bone level
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2. Gingival Tissue may cover partial or all of tooth
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,3. EASIEST
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Il` Partial Bony Impaction - Correct Answers HoC is BELOW bone level
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Il` Complete Bony Impaction - Correct Answers Tooth is COMPLETELY within bone
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Il` Winter's Classification - Correct Answers 1. ONLY applies to 3rd Molars
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2. Long Axis of 3rd Molar in relation to 2nd Molar
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Il` What is the EASIEST Impacted MD 3rd molar to remove? - Correct Answers Mesioangular
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Il` What is the HARDEST Impacted MD 3rd molar to remove? - Correct Answers Distoangular
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Il` Pell and Gregory Classification - Correct Answers -ONLY Applies to MD 3rd Molars
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1. Class A: Same Plane
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2. Class B: Halfway down Plane
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3. Class C: Below Cervical Plane of MD 2nd Molar (MOST Difficult)
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4. Class I: In front of ramus
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5. Class II: Crown is halfway inside ramus
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6. Class III: Entire tooth is inside ramus (MOST Difficult)
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Il` Subperiosteal Abscess - Correct Answers 1. Possible when MUCOPERIOSTEAL FLAP has been
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2. Must IRRIGATE THOROUGHLY to remove Tooth Particles and Bone Spicules
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Il` Oro-Antral Communication - Correct Answers 1. COMMON in MX 1st Molars
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, 2. Can be prevented with good pre-op radiograph and MINIMAL Apical Pressure
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Il` What to do if Oro-Antral Communication is less than 2mm? - Correct Answers Monitor
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Il` What to do if Oro-Antral Communication is 2-6mm? - Correct Answers 1. 4As (Antibiotics,
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Il` Antihistamines, Analgesics and Afrin Nasal Spray) Il` Il` Il` Il` Il`
2. Figure-Eight Suture.
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Il` What to do if Oro-Antral Communication is greater than 6mm? - Correct Answers Surgical Flap
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Il` Surgery
Il` Alveolar Osteitis - Correct Answers 1. "Dry Socket"
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2. Blood Clot falls out WITHIN 3 DAYS after surgery BEFORE wound heals
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3. Does NOT require Antibiotics
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4. Requires Irrigation and Palliative Control
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Il` Nerve Injury - Correct Answers 1. MOST COMMON with MD 3rd Molars
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2. Txt is Medrol Dosepak (Methyprednisolone) for Inflammation
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3. If lasting for MORE THAN 4 Weeks, should have Microneurosurgical Eval
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Il` Where are MX 1st/2nd Molars most likely to displace? - Correct Answers Sinus
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Il` Where are MX 3rd Molars most likely to displace? - Correct Answers Infratemporal Fossa
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Il` Where are MD 3rd Molars most likely to displace? - Correct Answers Submandibular Space
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Il` #9 Molt Periosteal Elevator - Correct Answers Larger than Woodson Periosteal
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