DTC200 Class 2: Occlusion in Fixed Prosthodontics
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Questions and Answers

What is a potential advantage of a Class I occlusion?

  • Improved force distribution across the dental arches (correct)
  • Reduced risk of temporomandibular joint (TMJ) disorders
  • Enhanced stability during lateral jaw movements
  • Reduced risk of dental attrition and wear

    • What is a potential disadvantage of a Class II occlusion?

  • Increased risk of dental attrition and wear
  • Enhanced stability during lateral jaw movements
  • Compromised stability of the dental arches
  • Difficulty in achieving proper anterior guidance (correct)

    • In terms of occlusal stability, what is a potential advantage of a Class III occlusion?

  • Reduced risk of temporomandibular joint (TMJ) disorders
  • Enhanced stability during lateral jaw movements
  • Improved posterior support and stability (correct)
  • Reduced risk of dental attrition and wear

    • What is the primary characteristic of ideal occlusion in fixed prosthodontic treatment?

    <p>Equal bilateral occlusal contact in centric and eccentric positions</p> Signup and view all the answers

    Which factor is NOT a characteristic of ideal occlusion in fixed prosthodontic treatment?

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

    What is the impact of ideal occlusion on the longevity of fixed prosthodontic restorations?

    <p>Reduced risk of abutment tooth wear</p> Signup and view all the answers

    What are the types of occlusion mentioned in the text?

    <p>End-to-end, canine protected, group function</p> Signup and view all the answers

    What are the characteristics of ideal occlusion according to the text?

    <p>Class I molar relationship, canine guidance, minimal overjet and overbite</p> Signup and view all the answers

    What are the advantages and disadvantages of end-to-end occlusion as mentioned in the text?

    <p>Advantage: good for esthetics, Disadvantage: no vertical overlap of anterior teeth</p> Signup and view all the answers

    Which occlusion type is characterized by the posterior teeth meeting end-to-end without vertical overlap of anterior teeth?

    <p>End-to-end occlusion</p> Signup and view all the answers

    Which of the following is NOT a potential disadvantage of a Class II occlusion?

    <p>Reduced effectiveness of mastication</p> Signup and view all the answers

    In terms of occlusal stability, what is a potential disadvantage of a Class III occlusion?

    <p>Reduced stability during lateral movements</p> Signup and view all the answers

    What is a potential advantage of a canine-protected occlusion compared to other occlusion types?

    <p>Reduced risk of temporomandibular joint disorders</p> Signup and view all the answers

    What is the primary role of canine teeth in achieving ideal occlusion?

    <p>To provide lateral movements during mastication</p> Signup and view all the answers

    How does ideal occlusion contribute to the longevity of fixed prosthodontic restorations?

    <p>By preventing excessive stress on abutment teeth</p> Signup and view all the answers

    Which factor is a characteristic of ideal occlusion in fixed prosthodontic treatment?

    <p>Minimal occlusal contacts during maximum intercuspation</p> Signup and view all the answers

    What is the primary characteristic of Angle Class III occlusion?

    <p>The anterior teeth have a reverse overjet</p> Signup and view all the answers

    Which occlusion type is characterized by the mesiobuccal cusp of the upper first molar occluding in the buccal groove of the lower first molar?

    <p>Class II division 2 occlusion</p> Signup and view all the answers

    In which occlusion type do the lower teeth protrude beyond the upper teeth horizontally?

    <p>Class II division 1 occlusion</p> Signup and view all the answers

    What is a distinguishing characteristic of end-to-end occlusion in natural teeth?

    <p>No vertical overlap of anterior teeth</p> Signup and view all the answers

    Which characteristic of ideal occlusion is important for preventing excessive stress on the temporomandibular joint?

    <p>Absence of lateral or protrusive interferences</p> Signup and view all the answers

    What is the primary purpose of achieving ideal occlusion in fixed prosthodontic treatment?

    <p>To provide maximum masticatory efficiency</p> Signup and view all the answers

    What characteristic of ideal occlusion helps in evenly distributing occlusal forces among the teeth?

    <p>Lack of posterior disclusion</p> Signup and view all the answers

    What is a potential disadvantage of a canine-protected occlusion compared to other occlusion types?

    <p>Reduced stability in lateral excursions</p> Signup and view all the answers

    What are the potential disadvantages of end-to-end occlusion as mentioned in the text?

    <p>Increased risk of overloading certain teeth</p> Signup and view all the answers

    In terms of occlusal stability, what is a potential advantage of a Class I occlusion?

    <p>Greater stability in lateral excursions</p> Signup and view all the answers

    What is a distinguishing characteristic of canine-protected occlusion?

    <p>Horizontal overlap of the anterior teeth</p> Signup and view all the answers

    In which occlusion type do the lower teeth protrude beyond the upper teeth horizontally?

    <p>Class III occlusion</p> Signup and view all the answers

    What is a potential disadvantage of an end-to-end occlusion?

    <p>Increased risk of anterior teeth damage</p> Signup and view all the answers

    Which factor is NOT a characteristic of ideal occlusion in fixed prosthodontic treatment?

    <p>Lack of posterior interdigitation</p> Signup and view all the answers

    What are the advantages and disadvantages of end-to-end occlusion?

    <p>Advantages: minimal tooth wear, Disadvantages: lack of protection for anterior teeth, potential for anterior teeth separation</p> Signup and view all the answers

    What are the potential advantages and disadvantages of a Class III occlusion?

    <p>Advantages: reduced risk of anterior teeth separation, Disadvantages: potential for excessive forces on posterior teeth</p> Signup and view all the answers

    What are the potential advantages and disadvantages of a canine-protected occlusion compared to other occlusion types?

    <p>Advantages: reduced risk of anterior teeth separation, Disadvantages: potential for posterior teeth wear and instability</p> Signup and view all the answers

    What are the primary characteristics of ideal occlusion in fixed prosthodontic treatment?

    <p>Even distribution of occlusal forces, minimal stress on the temporomandibular joint</p> Signup and view all the answers

    What distinguishes a canine-protected occlusion from other occlusion types?

    <p>Protection of posterior teeth by canine guidance</p> Signup and view all the answers

    Which occlusion type is characterized by the lower teeth protruding beyond the upper teeth horizontally?

    <p>Class III occlusion</p> Signup and view all the answers

    What is the impact of ideal occlusion on the longevity of fixed prosthodontic restorations?

    <p>Enhanced longevity and stability</p> Signup and view all the answers

    What are the characteristics of ideal occlusion according to the text?

    <p>Mutually protected occlusion, equal intensity of contacts, and anterior guidance</p> Signup and view all the answers

    How does ideal occlusion contribute to the longevity of fixed prosthodontic restorations?

    <p>It helps in evenly distributing occlusal forces among the teeth, reducing the risk of restoration failure.</p> Signup and view all the answers

    What characteristic of ideal occlusion helps in preventing excessive stress on the temporomandibular joint?

    <p>Mutually protected occlusion</p> Signup and view all the answers

    The Learning Goals: Student will be able to mention the type of ______.

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

    Student will be able to mention characteristics of ideal ______.

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

    Student will have the ability to mention the advantages and disadvantages of every ______ type.

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

    __________ occlusion is characterized by the lower teeth protruding beyond the upper teeth horizontally

    <p>Class III</p> Signup and view all the answers

    A potential advantage of a _________ occlusion is its ability to evenly distribute occlusal forces among the teeth

    <p>Class I</p> Signup and view all the answers

    One of the potential disadvantages of a _________ occlusion is the increased risk of excessive stress on the temporomandibular joint

    <p>Class II</p> Signup and view all the answers

    The Learning Goals include the ability to mention the type of ______.

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

    The Learning Goals include the ability to mention characteristics of ideal ______.

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

    The Learning Goals include the ability to mention the advantages and disadvantages of every ______ type.

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

    In which ______ type do the lower teeth protrude beyond the upper teeth horizontally?

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

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