Impacted Tooth Radiography and Classification Quiz

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Questions and Answers

What is the ideal time for the removal of impacted teeth?

  • After two thirds of the roots are formed
  • When â…“ of the roots are already formed and before they are two thirds formed (correct)
  • When the roots are fully formed
  • When the tooth has fully erupted

Which factor complicates the removal of impacted teeth?

  • Distance between ascending ramus and distal surface of 2nd molar
  • State of eruption or level of tooth
  • Appearance of roots
  • Condition of pericoronal tissues which may be inflamed or infected (correct)

What is the advantage of early removal of impacted teeth?

  • Quicker recovery in older patients
  • Better periodontal healing in older patients
  • Younger patients tolerate the procedure better (correct)
  • No advantage to early removal

What is odontectomy?

<p>Removal of partly erupted and unerupted teeth or retained roots via surgical excision (C)</p> Signup and view all the answers

What radiographs are used for an overall view of the dentition and surrounding structures in preoperative dental procedures?

<p>Periapical, occlusal, and lateral films (C)</p> Signup and view all the answers

Which technique is used to localize the mandibular canal in relation to the apices of the lower third molar?

<p>Frank shift technique (B)</p> Signup and view all the answers

How are impacted maxillary third molars classified?

<p>Based on relative depth, position of the long axis, and relation to the sinus (B)</p> Signup and view all the answers

What may complicate the removal of impacted teeth?

<p>Abnormal root curvature and proximity to the mandibular canal (D)</p> Signup and view all the answers

How are impacted maxillary canines classified?

<p>Into five classes based on their location in the oral cavity (A)</p> Signup and view all the answers

What is a frequent cause of ankylosis after traumatic injury or periapical inflammation?

<p>Ankylosis occurs frequently after traumatic injury or periapical inflammation (D)</p> Signup and view all the answers

Why is the use of a chisel ineffective for splitting ankylosed teeth?

<p>Ankylosed teeth cannot be effectively split using a chisel (B)</p> Signup and view all the answers

What may lead to difficult access to the operative field during impacted tooth removal?

<p>Inability to open the mouth wide enough due to trismus (D)</p> Signup and view all the answers

Which radiograph provides an overall view of the dentition and surrounding structures?

<p>Orthopantomogram (D)</p> Signup and view all the answers

What is the Clark shift technique used to determine?

<p>The position of impacted cuspids (A)</p> Signup and view all the answers

What are factors that may complicate the removal of impacted teeth?

<p>Abnormal root curvature and hypercementosis (A)</p> Signup and view all the answers

How are impacted teeth classified?

<p>Based on their relation to the second molar, depth in the bone, Winter’s classification, and position of the long axis in relation to the second molar (D)</p> Signup and view all the answers

Preoperative dental procedures include the use of ______ such as periapical, occlusal, and lateral films, as well as orthopantomogram for an overall view of the dentition and surrounding structures

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

Impacted teeth are ______ based on their relation to the second molar, depth in the bone, Winter’s classification, and the position of the long axis in relation to the second molar

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

Impacted maxillary third molars are ______ based on the relative depth and position of the long axis in relation to the second molar, as well as their relation to the sinus

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

Impacted maxillary canines are ______ into five classes based on their location in the oral cavity

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

Factors that may ______ the removal of impacted teeth include abnormal root curvature, hypercementosis, proximity to the mandibular canal, extreme bone density, and ankylosis

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

Ankylosis occurs frequently after traumatic injury or periapical inflammation, making the use of a chisel ______ for splitting ankylosed teeth

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

Difficult ______ to the operative field may be due to a small orbicularis oris, inability to open the mouth wide enough due to trismus, or a large uncontrollable tongue

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

Odontectomy is the surgical removal of partly erupted and unerupted teeth or retained roots that can’t be extracted by forceps technique and therefore must be removed via surgical ______

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

The ideal time for the removal of impacted teeth is when â…“ of the roots are already formed and before they are two thirds ______ formed.

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

Advantages of early removal of impacted teeth include younger patients tolerating the procedure better, quicker recovery, and better periodontal healing with more complete regeneration of bone and reattachment of gingival tissue to the adjacent ______.

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

Factors that may complicate the removal of impacted teeth include state of eruption or level of tooth, angulation, relationship to 2nd molar, distance between ascending ramus and distal surface of 2nd molar, appearance of roots, condition of tooth, condition of pericoronal tissues which may be inflamed or infected, condition of bone around the impacted tooth, condition of second molar, size of follicular space, width of periodontal ligament, presence of cysts or tumors, and presence of skeletal disease, such as osteogenesis imperfecta, osteopetrosis, acromegaly, and Paget’s ______.

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

The twelve factors that complicate the removal of impacted teeth include state of eruption or level of tooth, angulation, relationship to 2nd molar, distance between ascending ramus and distal surface of 2nd molar, appearance of roots, condition of tooth, condition of pericoronal tissues which may be inflamed or infected, condition of bone around the impacted tooth, condition of second molar, size of follicular space, width of periodontal ligament, presence of cysts or tumors, and presence of skeletal ______.

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

The advantage of early removal of impacted teeth includes younger patients tolerating the procedure better, quicker recovery, and better periodontal healing with more complete regeneration of bone and better reattachment of gingival tissue to the adjacent ______.

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

The twelve factors that complicate the removal of impacted teeth include state of eruption or level of tooth, angulation, relationship to 2nd molar, distance between ascending ramus and distal surface of 2nd molar, appearance of roots, condition of tooth, condition of pericoronal tissues which may be inflamed or infected, condition of bone around the impacted tooth, condition of second molar, size of follicular space, width of periodontal ligament, presence of cysts or tumors, and presence of skeletal ______.

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

The advantage of early removal of impacted teeth is that younger patients tolerate the procedure better, have quicker recovery, and experience better periodontal healing with more complete regeneration of bone and better reattachment of gingival tissue to the adjacent ______.

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

The ideal time for the removal of impacted teeth is when â…“ of the roots are already formed and before they are two thirds ______ formed.

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

Odontectomy is the surgical removal of partly erupted and unerupted teeth or retained roots that can’t be extracted by forceps technique and therefore must be removed via surgical ______.

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

Factors that may complicate the removal of impacted teeth include state of eruption or level of tooth, angulation, relationship to 2nd molar, distance between ascending ramus and distal surface of 2nd molar, appearance of roots, condition of tooth, condition of pericoronal tissues which may be inflamed or infected, condition of bone around the impacted tooth, condition of second molar, size of follicular space, width of periodontal ligament, presence of cysts or tumors, and presence of skeletal ______.

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

Advantages of early removal of impacted teeth include younger patients tolerating the procedure better, quicker recovery, and better periodontal healing with more complete regeneration of bone and reattachment of gingival tissue to the adjacent ______.

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

The advantage of early removal of impacted teeth is that younger patients tolerate the procedure better, have quicker recovery, and experience better periodontal healing with more complete regeneration of bone and better reattachment of gingival tissue to the adjacent ______.

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

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Study Notes

Impacted Tooth Radiography and Classification Summary

  • Preoperative dental procedures include the use of radiographs such as periapical, occlusal, and lateral films, as well as orthopantomogram for an overall view of the dentition and surrounding structures.
  • The Frank shift technique is used to localize the mandibular canal in relation to the apices of the lower third molar, while the Clark shift technique is used to determine the position of impacted cuspids.
  • Impacted teeth are classified based on their relation to the second molar, depth in the bone, Winter’s classification, and the position of the long axis in relation to the second molar.
  • Impacted maxillary third molars are classified based on the relative depth and position of the long axis in relation to the second molar, as well as their relation to the sinus.
  • Impacted maxillary canines are classified into five classes based on their location in the oral cavity.
  • Factors that may complicate the removal of impacted teeth include abnormal root curvature, hypercementosis, proximity to the mandibular canal, extreme bone density, and ankylosis.
  • Ankylosis occurs frequently after traumatic injury or periapical inflammation, making the use of a chisel ineffective for splitting ankylosed teeth.
  • Difficult access to the operative field may be due to a small orbicularis oris, inability to open the mouth wide enough due to trismus, or a large uncontrollable tongue.

Impacted Tooth Radiography and Classification Summary

  • Preoperative dental procedures include the use of radiographs such as periapical, occlusal, and lateral films, as well as orthopantomogram for an overall view of the dentition and surrounding structures.
  • The Frank shift technique is used to localize the mandibular canal in relation to the apices of the lower third molar, while the Clark shift technique is used to determine the position of impacted cuspids.
  • Impacted teeth are classified based on their relation to the second molar, depth in the bone, Winter’s classification, and the position of the long axis in relation to the second molar.
  • Impacted maxillary third molars are classified based on the relative depth and position of the long axis in relation to the second molar, as well as their relation to the sinus.
  • Impacted maxillary canines are classified into five classes based on their location in the oral cavity.
  • Factors that may complicate the removal of impacted teeth include abnormal root curvature, hypercementosis, proximity to the mandibular canal, extreme bone density, and ankylosis.
  • Ankylosis occurs frequently after traumatic injury or periapical inflammation, making the use of a chisel ineffective for splitting ankylosed teeth.
  • Difficult access to the operative field may be due to a small orbicularis oris, inability to open the mouth wide enough due to trismus, or a large uncontrollable tongue.

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