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

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

<p>Single tooth isolation (B)</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 (A)</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 (D)</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 (D)</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 (D)</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 (C)</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 (D)</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 (B)</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 (D)</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 (B)</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 (D)</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 (A)</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 (D)</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 (D)</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 (D)</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 (B)</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 (C)</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 (B)</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 (C)</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 (C)</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 (C)</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 (C)</p> Signup and view all the answers

What is a distinguishing characteristic of canine-protected occlusion?

<p>Horizontal overlap of the anterior teeth (B)</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 (A)</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 (D)</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 (A)</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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