5. Occlusal Scheme Flashcards
2
Which appointment is used to determine the condylar inclination?
4
How many appointments are there for complete dentures at Creighton?
4
What are the measurements for the horizontal and vertical overlap for anterior teeth in anatomic set up?
4
In centric, should the anteriors have occlusal contact?
4
What does it mean when it says that anterior teeth in centric are “brush border?”
5
What are the three reasons why there is minimal horizontal and vertical overlap of anterior teeth in complete dentures?
7
What are the three types of arch forms?
8
Why is more horizontal overlap necessary for class II skeletal relationship patients compared to class I?
8
Why is little to no horizontal overlap desired for patients with skeletal class III relationships?
9
Denture occlusion is designed to ______ to best stabilize the denture during function.
9
Occlusal concepts for dentures should never be confused with ______.
9
Should canine guidance ever be used for complete dentures?
10
What is the mantra for occlusion in patients with dentate?
11
What is the mantra for occlusion in edentulous patients?
11
What is the degree of inclination for anatomic teeth?
11
Do anatomic teeth allow for balanced occlusion?
11
What is the inclination for nonanatomic teeth?
11
What are three other names for nonanatomic teeth?
11
Can nonatomic teeth be used to achieve balanced occlusion?
11
What is the degree of inclination for lingualized teeth?
11
Can lingualized teeth be used to obtain balanced occlusion?
13
What is the name for the Anatomic teeth?
13
What is the name for the Lingualized teeth?
13
What is the name for the Nonanatomic teeth?
14
Is there any evidence that exists to support the superiority of one posterior tooth form over another?
14
What is the main determinant of denture tooth position? Why is this so?
14
The mandibular arch covers a ______ area than the maxillary arch. The mandibular arch requires more ______ for its stability.
14
When natural teeth erupt they occupy a position that functions best with what three things? What is this zone called?
14
The _____ is where we want to build denture occlusion.
14
With denture occlusion we want centralization of _________ over the ________.
20
What are 7 factors to consider when choosing an occlusal scheme?
20
According to Ortman, the flatter the ridge, the ___________.
21
What type of occlusion would be indicated for poor residual ridges?
21
What type of occlusion would be indicated for poor neuromuscular control?
21
What type of occlusion would be indicated for patients previously successful with monoplane dentures or severely worn occlusion on previous dentures?
21
What occlusion would be indicated for a patient with skeletal class II, III, or cross-bite occlusion?
21
What occlusion would be indicated for a patient with immediate dentures, except when opposing natural dentition?
21
What occlusion would be best indicated for a patient with potential poor follow up?
21
What occlusion would be best indicated for a patient with good residual ridges (height)?
21
What occlusion would be indicated for patients who are skeletal class I?
21
What occlusion would be best indicated for patients who are ACP Class I or II?
21
What occlusion would be best indicated for patients who are well coordinated?
21
What occlusion would be best for patients whose denture opposes natural dentition?
21
What occlusion would be best for when lingualized or anatomic bilateral balanced occlusion is desired?
22
What are 6 advantages of monoplane occlusion?
22
What are 4 disadvantages of monoplane occlusion?
23
Describe the bearing surface that a monoplane occlusion would be best indicated for.
23
What are Hardy Cutter dentures?
24
Is there anatomy in Nonanatomic Orthoplane teeth?
25
What are 4 advantages of Anatomic (cusped) occlusion?
25
What are 5 disadvantages of anatomic (cusped) occlusion?
27
Examples of Cusped Teeth:
____ Degree Ortholingual Type
_____ Degree Orthotype Teeth
____ Degree Postaris Teeth
____ Degree Posterior Teeth by Dentsply
30
When is Condylar inclination determined?
30
If your condylar inclination is 20 degrees, for example, what teeth should you use?
31
Anatomic teeth (especially _____ teeth) look more natural than cuspless teeth.
32
~Good Residual Ridges (PDI Class I or II) ~Well Coordinated Patient
~Previously successful with cusped teeth ~Condylar Inclination of 30 degrees
What posterior teeth would you select for this patient?
33
Is incisal overlap possible with balanced articulation?
33
Balanced articulation allows for _____ occlusal forces and better _____.
33
Balanced articulation requires _____ records (_________ records).
34
What degree teeth are used in balanced anatomic posterior occlusion?
34
What is the name for the Anteroposterior compensating curve in balanced anatomic posterior occlusion?
34
What is the name for the mediolateral compensating curve in balanced anatomic posterior occlusion?
35
In balanced occlusion, desribe the contacts in excursive movements with anatomic teeth.
38
In the anatomic occlusal plane, there is a _______ relationship.
38
What are the three points of contact in the anatomic occlusal plane?
38
Anatomic teeth are at least ____ degrees or higher.
39
How far below the top of the retromolar pad should the maxillary occlusal plane project?
39
Once anterior teeth are set it is important to reestablish your _____ in the posterior so you can start to set your posterior teeth.
40
Where should mandibular posterior teeth NOT be set?
40
What should you remember to do when determining the buccolingual position of the mandibular posterior teeth?
41
Mandibular posterior teeth must be positioned where?
41
Why must mandibular posterior teeth be positioned over the ridge?
41
For any type of occlusal scheme, where should the mandibular central grooves line up?
42
Where should the mandibular occlusal plane line up?
43
What is one popular suggestion for placing the central fossa of the mandibular posterior teeth?
43
Dr. Earl Pound suggested that the mandibular lingual cusps be located within a _____ (__________) formed by the buccal and lingual sides of the _____ and the _____ of the canine.
45
Where does the MB cusp of the maxillary first molar line up in class I occlusion?
45
What does horizontal overlap of molars in class I prevent?
46
What is critical for monoplane occlusion?
46
Monoplane occlusion decreases _______.
47
Is there any vertical overlap in the anteriors in monoplane occlusion?
48
Which teeth should be on the plane of occlusion in monoplane occlusion?
48
In monoplane occlusion, which cusps contact the plane of occlusion for the maxillary teeth?
49
Describe the space in the posterior teeth in monoplane occlusion. What does this lead to and which patients are at a disadvantage because of this?
50
What are the two ways to achieve bilateral balance with monoplane occlusion?
50
What is Christensen’s phenomenon?
51
In lingualized occlusion, how far are the maxillary buccal cusps elevated?
52
In lingualized occlusion, where should the maxillary lingual cusps contact?
53
In lingualized occlusion, maxillary buccal cusps should have a ____ mm space between the _______ and the ________.
57
For lingualized occlusion, what should the relative degree of cusps be for maxillary vs. mandibular teeth selection? What would be an example?
57
In clinic, what degree posterior teeth do you use for lingualized occlusion?
