Podcast
Questions and Answers
Which element determines the curvature between the incisal edges of the maxillary anterior teeth and the upper border of the lower lip?
Which element determines the curvature between the incisal edges of the maxillary anterior teeth and the upper border of the lower lip?
- Smile line (correct)
- Guide lines
- Midline
- Canine Line
What is the orientation of the anterior occlusal plane in relation to the interpupillary line?
What is the orientation of the anterior occlusal plane in relation to the interpupillary line?
- Parallel (correct)
- Perpendicular
- At a 45-degree angle
- Tangent
Which of the following provides reliable guides for the placement of teeth?
Which of the following provides reliable guides for the placement of teeth?
- Incisal edges
- Jaw anatomy
- Carved occlusion rims (correct)
- Cheek contours
Which guide line is NOT mentioned as a part of the placement guides for teeth?
Which guide line is NOT mentioned as a part of the placement guides for teeth?
What is the correct relationship for the posterior occlusal plane in relation to the ala-tragus line?
What is the correct relationship for the posterior occlusal plane in relation to the ala-tragus line?
Flashcards
Occlusal plane
Occlusal plane
The plane formed by the biting surfaces of the teeth.
Guide lines
Guide lines
Referencing lines used to guide correct teeth placement.
Smile line
Smile line
The harmony between the incisor edges and lips.
Correct Jaw Relationships
Correct Jaw Relationships
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Anterior occlusal plane
Anterior occlusal plane
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Study Notes
Carved Occlusion Rims
- Carved occlusion rims should precisely guide tooth placement.
- These guides include:
- Guide lines
- Occlusal plane
- Lip support
- Correct jaw relationships
Guide Lines
- Guide lines help ensure proper tooth position.
- Specific guide lines include:
- Smile line: The harmonious curve formed by the incisal edges of the maxillary anterior teeth and the upper lip border.
- Midline
- Canine line
Occlusal Plane
- The occlusal plane should be correctly positioned.
- Anterior occlusal plane should be parallel to the interpupillary line.
- Posterior occlusal plane should be parallel to the ala-tragus line.
Lip Support
- Proper lip support is essential for aesthetic and functional results.
Jaw Relationships
- Correct jaw relationships are critical for proper function.
- These include vertical dimension of occlusion and centric relation.
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