Factors influencing impacted teeth and oral health
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Questions and Answers

Which one of the following is NOT a source of stability for an implant in the maxilla?

  • The buccal or lingual bone cortex
  • The surrounding wall holding the implant in place
  • The maxillary sinus (correct)
  • The lower border of the nasal cavity

    • What is the recommended approach when a concavity is detected in the buccal surface, apically located to the cortical layer during the radiographic diagnosis stage?

  • Use a shorter implant if the concavity is at the mid part
  • Abandon implant treatment due to the unfavorable conditions
  • Compromise the angulations of the implant
  • Perform bone augmentation with intentional perforation of the buccal plate (correct)

    • What is the advantage of a relatively narrow width of the jaw bone in combination with a thick, cortical marginal border?

  • It requires radiographic imaging for analysis
  • It requires bone splitting prior to implant placement
  • It provides less than optimal conditions for implant treatment
  • It provides proper conditions for immediate implant stability (correct)

    • What is the purpose of bone splitting prior to implant placement?

    <p>To maintain the 1mm-1.5mm cortical buccal bone</p> Signup and view all the answers

    What is the consequence of a narrow alveolar bone with a thin layer of compact bone at the alveolar crest?

    <p>It provides less than optimal conditions for implant treatment</p> Signup and view all the answers

    Which of the following situations should be analyzed with radiographic imaging?

    <p>All of the above</p> Signup and view all the answers

    What is a contra-indication related to the intermaxillary relationship for dental implants?

    <p>Problematic intermaxillary relationship</p> Signup and view all the answers

    Which of the following conditions can be a potential contra-indication for dental implants due to issues with occlusal relationships?

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

    What is a potential relative contra-indication for dental implants due to reduced saliva flow?

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

    Which of the following is considered an absolute contra-indication for dental implants?

    <p>Lichen planus</p> Signup and view all the answers

    What pathological condition in the alveolar bone can serve as a contra-indication for dental implants?

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

    Which of the following can be a potential contra-indication for dental implants related to oral hygiene?

    <p>Plaque retention</p> Signup and view all the answers

    What is the potential impact of medication whose mode of action might interfere with the physiology of the bone remodelling process?

    <p>It could lead to increased tooth loss</p> Signup and view all the answers

    What is the suggested relationship between the cause of tooth loss and the risk of implant disease leading to implant failure?

    <p>Tooth loss due to rapidly progressive early onset periodontal disease increases the risk of implant failure</p> Signup and view all the answers

    What are the two indirect lines of evidence that support the concept that implants may be affected by the periodontal conditions?

    <p>Similar microflora colonizing teeth and implants, and identification of a hyperinflammatory phenotype in partially edentulous patients with peri-implantitis lesions</p> Signup and view all the answers

    What have been reported in subjects with suboptimal levels of oral hygiene?

    <p>Increased prevalence of soft tissue problems and an increase of implant failure</p> Signup and view all the answers

    What is the relationship between the cause of tooth loss and the risk of implant failure according to the text?

    <p>Tooth loss due to rapidly progressive early onset periodontal disease increases the risk of implant failure</p> Signup and view all the answers

    What is the potential impact of inadequate oral hygiene on implants?

    <p>Increased prevalence of soft tissue problems and an increase of implant failure</p> Signup and view all the answers

    According to the passage, what was the finding regarding the risk of failure for hydroxyapatite coated implants in an independent medium term investigation?

    <p>Hydroxyapatite coated implants had a higher risk of failure.</p> Signup and view all the answers

    What does the passage state about the current status of the finding regarding the higher risk of failure for hydroxyapatite coated implants?

    <p>The higher risk of failure for hydroxyapatite coated implants is no longer observed.</p> Signup and view all the answers

    According to the passage, how can knowledge of subject risk assist the clinician?

    <p>All of the above.</p> Signup and view all the answers

    What does the passage state about recent improvements in hydroxyapatite coated surfaces?

    <p>Recent improvements in HA coated surfaces have led to the higher risk of failure being no longer observed.</p> Signup and view all the answers

    Which of the following is the correct interpretation of the statement 'Knowledge of subject risk should assist the clinician with determining the prognosis for the individual case and thus with patient selection'?

    <p>Knowing the subject's risk factors can help the clinician determine the prognosis and select the appropriate patients for treatment.</p> Signup and view all the answers

    According to the passage, what could be useful in determining the number, location and type of implants as well as the design of the reconstruction?

    <p>Both knowledge of subject risk and careful preoperative assessment of implant based risk.</p> Signup and view all the answers

    What is the best imaging modality to determine the width of the jaw and bone in an implant site?

    <p>Cross sectional tomograms</p> Signup and view all the answers

    When determining the distance between the mental foramen and an anterior tooth, what is the recommended direction for obtaining intra oral radiographs?

    <p>Perpendicular to the dental arch</p> Signup and view all the answers

    Which of the following is true regarding determining the bone height for implant placement?

    <p>Cross sectional tomography provides the most precise bone height measurements</p> Signup and view all the answers

    In which direction should cross sectional tomography be done for maxillary examinations?

    <p>Perpendicular to the tangent of the dental arch</p> Signup and view all the answers

    What aspect of the mandible is assessed using cross sectional tomography?

    <p>Alveolar process inclination</p> Signup and view all the answers

    Why are panoramic radiographs less accurate for measurements in curved parts of the dental arch?

    <p>They distort due to curvature</p> Signup and view all the answers

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