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Occlusion > Operative > Flashcards

Operative Flashcards

1
Q

What is the significance of occlusion in operative dentistry?

A

Occlusion ensures that restorations function properly, distribute forces evenly, and maintain oral health.

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2
Q

How does occlusion impact restorative treatments?

A

It affects force distribution, longevity of restorations, and the comfort of the patient.

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3
Q

What are the key factors influencing occlusion in operative dentistry?

A

Positional relationships, muscle function, tooth contacts, and jaw movements.

RM JC

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4
Q

What is the first step in assessing occlusion?

A

A thorough clinical examination to identify tooth positions and jaw movements.

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5
Q

How do you diagnose occlusal problems?

A

By analyzing tooth contacts, TMJ function, and muscle activity during jaw movements.

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6
Q

What is the importance of proper treatment planning in occlusion?

A

It ensures that restorative treatments align with the patient’s occlusion and prevent future complications.

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7
Q

What are the main types of forces acting on a restored tooth?

A

Tension, compression, shear, and flexion.

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8
Q

How does tension affect restored teeth?

A

It stretches the material, potentially leading to fractures.

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9
Q

What is the role of compression in occlusion?

A

Compression forces push down on teeth and restorations, influencing stability.

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10
Q

What is shear force in occlusion?

A

It is the force that acts parallel to the surface, causing sliding between surfaces.

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11
Q

What is flexion in restored teeth?

A

Flexion is the bending movement that affects the strength and integrity of restorations.

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12
Q

What is included in a comprehensive occlusion assessment?

A

Assessment of tooth positions, jaw mobility, and palpation of jaw muscles.

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13
Q

How do you measure jaw mobility in occlusion assessment?

A

By evaluating the range of motion and checking for TMJ function.

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14
Q

Why is palpating jaw muscles important in occlusion assessment?

A

To detect tension or discomfort that may indicate occlusal problems.

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15
Q

What is the objective of occlusion assessment?

A

To detect signs of occlusal problems and establish a baseline for future changes.

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16
Q

Why is it important to assess tooth contacts in occlusion?

A

To understand tooth relationships during function and parafunction.

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17
Q

What should be examined in voluntary closure (centric occlusion)?

A

The contact between opposing teeth when the mandible is in centric relation.

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18
Q

What is centric relation (CR)?

A

CR is when the mandibular condyles are in their most anterior-superior position against the articular disc.

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19
Q

What is the difference between CR and MIP?

A

CR is a joint-based position, while MIP is the position where the teeth are fully occluded.

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20
Q

What is the significance of freedom in centric occlusion?

A

It allows slight movement within the centric relation, which is crucial for comfort and function.

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21
Q

What are the characteristics of an ideal occlusion?

A

Centric occlusion in centric relation, no posterior interferences, and teeth contacts within adaptive capabilities.

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22
Q

What are the symptoms of occlusal problems?

A

Sensitivity, pain on biting, periodontal issues, and TMJ problems.

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23
Q

How does TMJ clicking relate to occlusion problems?

A

It may indicate occlusal disharmonies affecting jaw joint function.

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24
Q

What are common radiographic findings in occlusion problems?

A

Widened periodontal membrane space and root resorption.

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25
Q

What is abfraction in occlusal problems?

A

Loss of tooth structure at the cervical area due to occlusal stress.

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26
Q

What are wear facets in occlusion?

A

Flattened areas on teeth due to excessive occlusal forces.

27
Q

How does tooth migration occur due to occlusion issues?

A

Occlusal imbalances can cause teeth to shift or tilt over time.

28
Q

What is bruxism, and how does it affect occlusion?

A

Bruxism is clenching or grinding of teeth, leading to occlusal wear and muscle pain.

29
Q

How does muscle soreness relate to occlusion?

A

Improper occlusion can cause overuse or strain of the muscles of mastication.

30
Q

What tools are used to assess occlusion?

A

Articulating papers, radiographs, diagnostic casts, and computerized occlusal analysis.

31
Q

How are articulating papers used in occlusion assessment?

A

To visualize the contact points between opposing teeth.

32
Q

What are the disadvantages of using articulating paper?

A

They can be easily ruined by saliva, are thick, and have an inflexible base.

33
Q

How are radiographs used in occlusion diagnosis?

A

To identify structural changes, such as root resorption or widening of the periodontal membrane.

34
Q

What is the purpose of a diagnostic cast in occlusion assessment?

A

To create a model for evaluating the patient’s occlusion outside the mouth.

35
Q

What is the T-Scan in occlusion analysis?

A

A computerized tool that provides dynamic analysis of occlusion by detecting premature contacts.

36
Q

What are the benefits of using T-Scan in occlusion assessment?

A

It improves clinical results, eliminates guesswork, and enhances patient comfort.

37
Q

How are molar relationships classified in occlusion?

A

As Class I, II, or III based on the mesio-distal relationship of the first molars.

38
Q

How is canine relationship classified in occlusion?

A

Class I, II, or III depending on the position of the maxillary canine relative to the mandibular teeth.

39
Q

What are the divisions of incisor relationships?

A

Class I, Class II Division 1 (proclination), Class II Division 2 (retroclination), and Class III.

40
Q

What are centric occlusal interferences?

A

Premature contacts that occur when the teeth are in centric occlusion.

41
Q

What are working occlusal interferences?

A

Contacts that occur on the working side during lateral movements.

42
Q

What are non-working occlusal interferences?

A

Contacts that occur on the non-working side during lateral movements.

43
Q

What are protrusive occlusal interferences?

A

Premature contacts that occur during forward movement of the mandible.

44
Q

What is occlusal splint therapy?

A

A treatment involving a removable appliance to stabilize the occlusion and reduce symptoms.

45
Q

What are the forces acting on restored teeth?

A

Compression, tension, shear, and flexion, each impacting the longevity of the restoration.

46
Q

How does compression affect a restoration?

A

It pushes against the restoration, influencing its stability and durability.

47
Q

What is the role of muscle activity in occlusion?

A

Muscle activity determines tooth contacts and the overall function of the occlusal system.

48
Q

How does occlusal disharmony affect jaw function?

A

It can lead to TMJ disorders, discomfort, and compromised chewing ability.

49
Q

What are common signs of occlusal wear on teeth?

A

Wear facets, sensitivity to thermal changes, and chipping of enamel.

50
Q

What factors contribute to periodontal affection in relation to occlusion?

A

Misalignment of teeth, excessive occlusal forces, and lack of proper tooth contacts.

51
Q

How can occlusal discrepancies affect dental restorations?

A

They can lead to premature failure or fracture of restorations due to uneven force distribution.

52
Q

What is the relationship between occlusion and dental aesthetics?

A

Proper occlusion ensures that teeth are aligned and positioned correctly, enhancing aesthetics.

53
Q

What is the significance of occlusal stops?

A

They provide stable points of contact that support the occlusion during function.

54
Q

What is the function of supporting and gliding cusps?

A

Supporting cusps stabilize occlusion, while gliding cusps facilitate smooth movements during chewing.

55
Q

How does anterior guidance influence occlusion?

A

It directs the movement of the mandible and prevents interferences during functional excursions.

56
Q

What is the importance of the canine in occlusion?

A

Canines play a crucial role in guiding the occlusion during lateral movements and preventing wear on posterior teeth.

57
Q

What are the effects of uneven wear on occlusal surfaces?

A

It can lead to malocclusion, instability, and discomfort for the patient.

58
Q

What role do articulation marks play in occlusion analysis?

A

They help identify contact points, interferences, and the overall occlusal relationship between teeth.

59
Q

How does the position of the condyle affect occlusion?

A

The condylar position influences the relationship between the maxilla and mandible during occlusion.

60
Q

What is the impact of patient age on occlusion?

A

Aging can lead to changes in tooth wear, periodontal health, and muscle function, affecting occlusal stability.

61
Q

How do parafunctional habits influence occlusion?

A

They can cause excessive wear and lead to occlusal discrepancies and TMJ disorders.

62
Q

What are the clinical signs indicating the need for occlusal adjustment?

A

Symptoms like pain on biting, sensitivity, and muscle soreness.

63
Q

What is the purpose of a bite registration in occlusal assessment?

A

It captures the occlusal relationships and is used for constructing accurate dental restorations.

64
Q

How does the anterior-posterior relationship of teeth affect occlusion?

A

It influences the functional movement of the jaw and overall stability of the occlusal scheme.

Occlusion (3 decks)

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