Operative

Question 1

What is the significance of occlusion in operative dentistry?

Answer 1

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

Question 2

How does occlusion impact restorative treatments?

Answer 2

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

Question 3

What are the key factors influencing occlusion in operative dentistry?

Answer 3

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

RM JC

Question 4

What is the first step in assessing occlusion?

Answer 4

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

Question 5

How do you diagnose occlusal problems?

Answer 5

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

Question 6

What is the importance of proper treatment planning in occlusion?

Answer 6

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

Question 7

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

Answer 7

Tension, compression, shear, and flexion.

Question 8

How does tension affect restored teeth?

Answer 8

It stretches the material, potentially leading to fractures.

Question 9

What is the role of compression in occlusion?

Answer 9

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

Question 10

What is shear force in occlusion?

Answer 10

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

Question 11

What is flexion in restored teeth?

Answer 11

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

Question 12

What is included in a comprehensive occlusion assessment?

Answer 12

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

Question 13

How do you measure jaw mobility in occlusion assessment?

Answer 13

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

Question 14

Why is palpating jaw muscles important in occlusion assessment?

Answer 14

To detect tension or discomfort that may indicate occlusal problems.

Question 15

What is the objective of occlusion assessment?

Answer 15

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

Question 16

Why is it important to assess tooth contacts in occlusion?

Answer 16

To understand tooth relationships during function and parafunction.

Question 17

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

Answer 17

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

Question 18

What is centric relation (CR)?

Answer 18

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

Question 19

What is the difference between CR and MIP?

Answer 19

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

Question 20

What is the significance of freedom in centric occlusion?

Answer 20

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

Question 21

What are the characteristics of an ideal occlusion?

Answer 21

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

Question 22

What are the symptoms of occlusal problems?

Answer 22

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

Question 23

How does TMJ clicking relate to occlusion problems?

Answer 23

It may indicate occlusal disharmonies affecting jaw joint function.

Question 24

What are common radiographic findings in occlusion problems?

Answer 24

Widened periodontal membrane space and root resorption.

Question 25

What is abfraction in occlusal problems?

Answer 25

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

Question 26

What are wear facets in occlusion?

Answer 26

Flattened areas on teeth due to excessive occlusal forces.

Question 27

How does tooth migration occur due to occlusion issues?

Answer 27

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

Question 28

What is bruxism, and how does it affect occlusion?

Answer 28

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

Question 29

How does muscle soreness relate to occlusion?

Answer 29

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

Question 30

What tools are used to assess occlusion?

Answer 30

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

Question 31

How are articulating papers used in occlusion assessment?

Answer 31

To visualize the contact points between opposing teeth.

Question 32

What are the disadvantages of using articulating paper?

Answer 32

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

Question 33

How are radiographs used in occlusion diagnosis?

Answer 33

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

Question 34

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

Answer 34

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

Question 35

What is the T-Scan in occlusion analysis?

Answer 35

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

Question 36

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

Answer 36

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

Question 37

How are molar relationships classified in occlusion?

Answer 37

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

Question 38

How is canine relationship classified in occlusion?

Answer 38

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

Question 39

What are the divisions of incisor relationships?

Answer 39

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

Question 40

What are centric occlusal interferences?

Answer 40

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

Question 41

What are working occlusal interferences?

Answer 41

Contacts that occur on the working side during lateral movements.

Question 42

What are non-working occlusal interferences?

Answer 42

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

Question 43

What are protrusive occlusal interferences?

Answer 43

Premature contacts that occur during forward movement of the mandible.

Question 44

What is occlusal splint therapy?

Answer 44

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

Question 45

What are the forces acting on restored teeth?

Answer 45

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

Question 46

How does compression affect a restoration?

Answer 46

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

Question 47

What is the role of muscle activity in occlusion?

Answer 47

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

Question 48

How does occlusal disharmony affect jaw function?

Answer 48

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

Question 49

What are common signs of occlusal wear on teeth?

Answer 49

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

Question 50

What factors contribute to periodontal affection in relation to occlusion?

Answer 50

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

Question 51

How can occlusal discrepancies affect dental restorations?

Answer 51

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

Question 52

What is the relationship between occlusion and dental aesthetics?

Answer 52

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

Question 53

What is the significance of occlusal stops?

Answer 53

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

Question 54

What is the function of supporting and gliding cusps?

Answer 54

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

Question 55

How does anterior guidance influence occlusion?

Answer 55

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

Question 56

What is the importance of the canine in occlusion?

Answer 56

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

Question 57

What are the effects of uneven wear on occlusal surfaces?

Answer 57

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

Question 58

What role do articulation marks play in occlusion analysis?

Answer 58

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

Question 59

How does the position of the condyle affect occlusion?

Answer 59

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

Question 60

What is the impact of patient age on occlusion?

Answer 60

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

Question 61

How do parafunctional habits influence occlusion?

Answer 61

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

Question 62

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

Answer 62

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

Question 63

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

Answer 63

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

Question 64

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

Answer 64

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