Dental Implant Complications and Thrombotest
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Questions and Answers

Which risk factor may potentially affect the outcome of the response to osseointegration in dental implant complications?

  • Diabetes
  • Periodontally compromised
  • Overload and bruxism
  • Severe xerostomia (correct)

    • What is the most common manifestation of ischemic heart disease (coronary artery disease)?

  • Angina (correct)
  • Ventricular fibrillation
  • Contraindication period
  • Myocardial infarction

    • What has been suggested regarding the waiting period for dental implant procedures after myocardial infarction (MI)?

  • At least six months waiting period (correct)
  • Waiting period of 4-5 months
  • Waiting period of 2-3 weeks
  • No waiting period is necessary

    • What measures should be taken if angina occurs during dental treatment after myocardial infarction (MI)?

    <p>Stop the procedure and place the patient in a semi-supine position with 100% oxygen</p> Signup and view all the answers

    Which medication may be beneficial in the conscious sedation of patients with a history of myocardial infarction (MI) during dental procedures?

    <p>Nitrates premedication</p> Signup and view all the answers

    Which factor is NOT considered a risk factor for successful osseointegration in dental implant complications?

    <p>Cardiovascular disease (CVD)</p> Signup and view all the answers

    What is the annual failure rate for implants with no membrane?

    <p>4.0%</p> Signup and view all the answers

    What is the most frequently reported anatomical complication?

    <p>Anastomosis</p> Signup and view all the answers

    What percentage of patients have the anterior loop of the inferior alveolar nerve?

    <p>61%</p> Signup and view all the answers

    What intervention helps minimize neuropathy if administered within 1 week of injury?

    <p>Adrenocorticosteroids</p> Signup and view all the answers

    What is the potential consequence of excessive insertion torque from an orthopedic perspective?

    <p>Implant failure</p> Signup and view all the answers

    What is the recommended insertion torque for Straumann implants?

    <p>35Ncm</p> Signup and view all the answers

    According to Albrektsson 1986, what is considered as a success criteria for implants?

    <p>Absence of pain, infections, neuropathies, paresthesia</p> Signup and view all the answers

    Which drug category inhibits bone resorption by depressing osteoclastic function?

    <p>Bisphosphonates</p> Signup and view all the answers

    What is the characteristic appearance of bone during the appositional phase of Paget's disease?

    <p>Cottonwool appearance</p> Signup and view all the answers

    What drug is a vitamin K antagonist that inhibits clotting factor synthesis?

    <p>Warfarin</p> Signup and view all the answers

    What is the recommended surgical approach for dental implant surgery?

    <p>Minimally invasive surgery</p> Signup and view all the answers

    Which material is recommended for hemostasis during dental implant surgery?

    <p>Oxidized regenerated cellulose</p> Signup and view all the answers

    What is the potential risk associated with oral surgery in patients taking IV bisphosphonates?

    <p>Osteonecrosis of the jaws (ONJ)</p> Signup and view all the answers

    What should be evaluated before surgery for patients taking warfarin?

    <p>INR (Prothrombin time or PT ratio)</p> Signup and view all the answers

    Which drug category is contraindicated for dental implant surgery due to its potential risks?

    <p>Bisphosphonates</p> Signup and view all the answers

    What is the effect of anticoagulants on platelet aggregation?

    <p>Prevent platelet aggregation</p> Signup and view all the answers

    What type of bone formation occurs in Paget's disease?

    <p>New bone formation with less structural order</p> Signup and view all the answers

    What type of bone density does Paget's disease compromise?

    <p>Substantially decreased bone density</p> Signup and view all the answers

    What is the main purpose of HBO therapy?

    <p>Encouraging angiogenesis and better wound healing</p> Signup and view all the answers

    What is the potential consequence of continued adult craniofacial growth on dental implants?

    <p>Teeth migration and changes in occlusion</p> Signup and view all the answers

    What is the main concern related to biofilm formation on endosseous implants?

    <p>Subject to biofilm formation</p> Signup and view all the answers

    What characterizes peri-implantitis?

    <p>Loss of supporting bone around an osseointegrated implant</p> Signup and view all the answers

    What is the effect of radiation on normal cells?

    <p>Imbalance resulting in cell death and collagen lysis exceeding homeostatic mechanisms</p> Signup and view all the answers

    What is the purpose of lifelong craniofacial growth as a risk factor?

    <p>Potential esthetic, occlusal and periodontal ramifications</p> Signup and view all the answers

    What is ORN induced by radiation characterized by?

    <p>Tissue hypoxia resulting in a non-healing wound</p> Signup and view all the answers

    Which factor negatively impacts bone metabolism in a hyperglycemic environment?

    <p>Increased osteoblast apoptosis</p> Signup and view all the answers

    What is the recommended HbA1c level according to ADA recommendations?

    <p>Less than 7%</p> Signup and view all the answers

    Which substance in smoking alters wound healing and increases platelet adhesion?

    <p>Nicotine</p> Signup and view all the answers

    Which condition is associated with lower implant survival rates in previously irradiated bone?

    <p>Radiation therapy</p> Signup and view all the answers

    What is the effect of increasing radiation dose on implant failure rate?

    <p>No correlation</p> Signup and view all the answers

    What is the effect of good glycemic control in diabetic animal models on bone-to-implant contact?

    <p>Increases</p> Signup and view all the answers

    What are the major risk factors for periodontal disease and implant complications?

    <p>Hyperglycemic environment and radiation therapy</p> Signup and view all the answers

    Which substance in smoking decreases proliferation of fibroblasts and other reparative cells?

    <p>Nicotine</p> Signup and view all the answers

    What is the recommended dosing interval for placing nitroglycerin tablets sublingually for persistent chest pain?

    <p>Every 5 minutes</p> Signup and view all the answers

    What are the potential consequences of excessive administration of nitroglycerin tablets?

    <p>Hypotension</p> Signup and view all the answers

    What is the recommended perfusion rate required for the brain to function normally?

    <p>60-70mL/100g/min</p> Signup and view all the answers

    What are the potential consequences of a decrease in blood flow to the brain?

    <p>Neuronal ischemia</p> Signup and view all the answers

    According to current recommendations, when is it suggested to delay elective dental care following a stroke?

    <p>6 months</p> Signup and view all the answers

    What requires preoperative assessment of hemostasis?

    <p>Oral anticoagulants</p> Signup and view all the answers

    What is a critical goal of dental and implant therapy in patients with valvular heart disease?

    <p>Preventing infective endocarditis</p> Signup and view all the answers

    According to the American Heart Association, which patients require antibiotic prophylaxis for dental procedures?

    <p>Patients with artificial heart valves</p> Signup and view all the answers

    What are some anatomical complications associated with implant surgery?

    <p>Md lingual concavities</p> Signup and view all the answers

    What could be a disadvantage of the lateral approach for sinus lift according to the text?

    <p>Large bony window (morbidity), post-op complications</p> Signup and view all the answers

    What is a possible risk factor for implant complications?

    <p>Residual alveolar ridge height &gt; 5mm</p> Signup and view all the answers

    What can lead to over-heating during the osteotomy, according to the text?

    <p>Residual alveolar ridge height &gt; 5mm</p> Signup and view all the answers

    What is a potential anatomical complication related to sinus lift procedures?

    <p>Sinus perforation</p> Signup and view all the answers

    What anatomical feature is mentioned as a complication during implant surgery?

    <p>Lateral incisor fossa &amp; Mx concavities</p> Signup and view all the answers

    Study Notes

    • Nitroglycerin tablet (4mg) should be placed sublingually every 5 minutes for persistent chest pain, but excessive amount may induce hypotension and require hospitalization if symptoms persist or indicate myocardial infarction (MI)
    • The brain requires a high perfusion rate (60-70mL/100g/min) to function normally, and a decrease in blood flow (<25mL/100g/min) can lead to neuronal ischemia, energy failure, neurologic symptoms, and irreversible tissue damage
    • Stroke and cardiovascular diseases (CVD) do not have a direct impact on the success or failure of dental implants, but current recommendations for dental management of stroke patients are based on extrapolations from medical literature
    • Six months following a stroke, it is suggested to delay elective dental care
    • Oral anticoagulants require preoperative assessment of hemostasis
    • Preventing infective endocarditis is a critical goal of dental and implant therapy in patients with valvular heart disease, even though valvular heart disease does not directly affect implant outcome
    • The American Heart Association recommends antibiotic prophylaxis for patients with artificial heart valves, a past history of infective endocarditis, serious congenital heart conditions, or a developing problem in a heart valve
    • Prophylactic antibiotics are NOT recommended prior to dental procedures for patients with prosthetic joint implants to prevent prosthetic joint infection
    • The relationship between osteoporosis and decreased oral bone mass or density is controversial, but assuming impaired bone metabolism may affect osseointegration, increased bone remodeling occurs in the process of bone remodeling
    • Postoperative physiologic doses of vitamin D (400-800 IU/day) and calcium (1500 mg/day) are recommended, and smoking should be stopped as a major risk factor for osteoporosis
    • Paget's disease of bone (PDB) is characterized by hyperactive localized areas of bone that form new bone with less structural order, having a 10-fold increase in the number and larger size of bone cells.

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    u.Implant complications_YKK_23_24.txt

    Description

    Test your knowledge on factors affecting dental implant complications and thrombotest levels. Understand the normal and therapeutic ranges, as well as risk factors such as diabetes and hyperglycemic environment.

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