Occlusion

Question 1

When should you first evaluate your patient’s occlusion?

Answer 1

BEFORE preparing then try to replicate that in your restoration

Question 2

What is the definiton of occlusion?

Answer 2

The way the maxillary teeth contact the mandibular teeth or vice versa
◦ Static

Question 3

What is articulation?

Answer 3

The static dynamic relationship between occlusal surfaces during function

Question 4

What is the goal of operative dentistry restorations?

Answer 4

*Good esthetics where applicable
*Restore function
* Minimize trauma to dentition
* Minimize after hour calls
* Ensure restoration lasts a long time

Question 5

Teeth occlude with (contact) each other along their…

Answer 5

long axes

Question 6

Which teeth overlap the others: max or mand?

Answer 6

Maxillary overlaps mandibular

Question 7

What are the nonfunctional cusps on the maxillary?

Answer 7

buccal

Question 8

What are the nonfunctional cusps on the mandibular?

Answer 8

lingual

Question 9

Posterior teeth are ______ loading

Answer 9

AXIAL LOADING
◦ Load along LONG AXIS of the tooth

Question 10

What is a cusp-fossa occlusion?

Answer 10

◦ Each functional cusp occludes in fossa of opposing tooth
◦ One to One tooth arrangement

Question 11

What is cusp-marginal ridge occlusion?

Answer 11

◦ Each functional cusp contacts the MR OR fossa of the opposing pair of teeth
◦ One to Two teeth arrangement
◦ Most natural dentitions

Question 11

What is the one to one tooth arrangement?

Answer 11

cusp-fossa

Question 12

What is the one to two teeth arrangment?

Answer 12

cusp-marginal ridge

Question 13

What can happen if you restore wrong?

Answer 13

*Pain on biting
*Fractured cusp
*Fractured restoration
*Premature wear on tooth
*Trauma to periodontal ligament
*Trauma to temporomandibular joint
*Angry patient
*Frustrated dentist

Question 14

What are challenges that dentists face during restorations?

Answer 14

*Many patients do not have ideal occlusion
*Patients are often numb when asked to bite down and see if the restoration feels “normal”
*Patients have had their mouth open for the better part of 3 hours (or 30 minutes) when asked if
restoration feels normal
*I don’t think about how I bite until someone asks me if my bite feels normal

Question 15

What do you use when evaluating if occlusion is high?

Answer 15

In patient, use articulating paper

Question 16

What do you need to evaluate when checking occlusion?

Answer 16

◦ In patient, use articulating paper
◦ Evaluate in MIP
◦ Evaluate in excursives, protrusives

Question 17

What is the high heel effect?

Answer 17

If a part of the restoration is left slightly high, you may have this effect

Question 18

You need to check the patient’s occlusion with marking paper before what?

Answer 18

anesthetizing

Question 19

Visually evaluate the _____________ side to where you are working during a restoration?

Answer 19

contralateral

Question 20

Check the occlusion with patient in what orientation before they leave?

Answer 20

sitting up