Podcast
Questions and Answers
Which facial profile corresponds with the selection of a tooth having a flat labial surface?
Which facial profile corresponds with the selection of a tooth having a flat labial surface?
What type of teeth are typically selected for males based on facial features?
What type of teeth are typically selected for males based on facial features?
What is crucial to consider when selecting the shade of artificial teeth?
What is crucial to consider when selecting the shade of artificial teeth?
When should a patient view the recommended shades for teeth?
When should a patient view the recommended shades for teeth?
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Why is caution advised when using recently extracted teeth for shade determination?
Why is caution advised when using recently extracted teeth for shade determination?
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In which position should the actual shade guide tooth be observed to ensure proper matching?
In which position should the actual shade guide tooth be observed to ensure proper matching?
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Which type of profile indicates that teeth should have a curved labial surface?
Which type of profile indicates that teeth should have a curved labial surface?
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What should be done after selecting two or three shades for the artificial teeth?
What should be done after selecting two or three shades for the artificial teeth?
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What should be the relationship of the posterior teeth shade to the anterior teeth shade?
What should be the relationship of the posterior teeth shade to the anterior teeth shade?
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What is a reason for reducing the buccolingual dimension of posterior teeth?
What is a reason for reducing the buccolingual dimension of posterior teeth?
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Where should the vertical length of lower posterior teeth coincide?
Where should the vertical length of lower posterior teeth coincide?
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What could happen if a tooth is placed on an ascending area of the mandible?
What could happen if a tooth is placed on an ascending area of the mandible?
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What should be considered when determining the mold selection for posterior teeth?
What should be considered when determining the mold selection for posterior teeth?
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What are the three primary factors to consider in selecting artificial teeth for a patient?
What are the three primary factors to consider in selecting artificial teeth for a patient?
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Which method is commonly used to estimate the width of the anterior teeth?
Which method is commonly used to estimate the width of the anterior teeth?
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How can the width of the anterior teeth be accurately estimated using the hamular notches?
How can the width of the anterior teeth be accurately estimated using the hamular notches?
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What aspect of artificial tooth selection requires coordination between the patient and the dentist?
What aspect of artificial tooth selection requires coordination between the patient and the dentist?
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In the context of anterior teeth selection, what does the measurement of the width of the central incisor relate to?
In the context of anterior teeth selection, what does the measurement of the width of the central incisor relate to?
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What is one method to gather information on a patient’s preferences for their artificial teeth?
What is one method to gather information on a patient’s preferences for their artificial teeth?
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Why is obtaining accurate marks from a patient’s relaxed position crucial during anterior teeth selection?
Why is obtaining accurate marks from a patient’s relaxed position crucial during anterior teeth selection?
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What role does artistic skill play in the selection of artificial teeth?
What role does artistic skill play in the selection of artificial teeth?
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What should be added to the interalar measurement to estimate the width of the six maxillary anterior teeth?
What should be added to the interalar measurement to estimate the width of the six maxillary anterior teeth?
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How can the approximate location of the cuspid eminence be determined?
How can the approximate location of the cuspid eminence be determined?
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What is the recommended incisal edge visibility below the upper lip?
What is the recommended incisal edge visibility below the upper lip?
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What shape does a face take if the lines from the tragus of the ear to the angle of the mandible converge towards the chin?
What shape does a face take if the lines from the tragus of the ear to the angle of the mandible converge towards the chin?
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What additional measurement might be included for accurate length measurement of teeth?
What additional measurement might be included for accurate length measurement of teeth?
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What is the relationship between the shape of the edentulous upper arch and the shape of the upper incisor teeth?
What is the relationship between the shape of the edentulous upper arch and the shape of the upper incisor teeth?
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What condition relates to the contact between the maxillary anterior teeth and the lower lip during speech?
What condition relates to the contact between the maxillary anterior teeth and the lower lip during speech?
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Which term describes the apex of the upper natural canine?
Which term describes the apex of the upper natural canine?
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Study Notes
Artificial Teeth Selection
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Anterior Teeth Selection
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Maxillary Anterior Teeth:
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Width:
- Width of the central incisor is related to the bizygomatic width.
- Caliper or a face bow can be used to measure bizygomatic width.
- The width of the six anterior teeth can be estimated by measuring the distance between the relaxed corners of the mouth.
- Alternatively, measure the distance between the centers of the left and right hamular notches and add 10mm.
- To calculate the width of the maxillary anterior teeth, add 7 mm to the interalar measurement.
- The approximate location of the cuspid eminence can be determined by extending parallel lines from the lateral surfaces of the ala of the nose and the corners of the mouth onto the labial surface of the upper occlusion rim. The distance between these lines represents the width of the six maxillary anterior teeth.
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Length:
- The incisal edges should show below the upper lip by 2-3mm.
- Length is affected by available space between the two arches.
- During speech, the incisal edges of maxillary anterior teeth contact the lower lip at the junction of the moist and dry surfaces of the vermilion border.
- To determine length, measure between the high lip line and the occlusal plane, adding 1 to 3 mm for accuracy.
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Width:
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Shape:
- The shape of the edentulous upper arch (ovoid, tapered, or square) influences the shape of the upper incisor teeth.
- Shape of the face is oriented with two lines running 2.5cm in front of the tragus of the ear and touching the angle of the mandible.
- Parallel lines indicate a square face.
- Converging lines indicate a tapered face.
- Diverging lines indicate an ovoid face.
- Labial surface of the teeth should harmonize with the facial profile.
- A flat facial profile requires a tooth with a flat labial surface.
- A curved facial profile requires a tooth with a curved labial surface.
- Sex:
- Curved facial features are associated with femininity.
- Square features are associated with muscularity.
- Ovoid or tapered teeth are appropriate for females.
- Square teeth are appropriate for males.
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Shade (Color):
- Shade of previous dentures is often a patient's choice.
- While teeth darken over time, there's no specific shade for a particular age group.
- Shade can be based on skin complexion, with the least conspicuous shade being the best choice.
- Utilize any pre-extraction shade determination.
- Recently extracted teeth may be useful, but exercise caution.
- Always listen to the patient's desires.
- The selected shade should blend with the patient's skin tones and not stand out as too light or dark.
- Observe the shade guide tooth in three locations: outside the mouth, under the upper lip with the incisal edge exposed, and under the upper lip with the mouth open and two-thirds to three-fourths of the tooth exposed.
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Mandibular Anterior Teeth:
- Select the six anterior teeth.
- Each set of upper anterior teeth has a corresponding set of lower anterior teeth that match in size, shape, and shade.
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Maxillary Anterior Teeth:
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Posterior Teeth Selection:
- The shade of posterior teeth should harmonize with the shade of the anterior teeth.
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Buccolingual Dimension:
- The posterior teeth should be smaller than natural dentition to reduce occluding forces on the alveolar ridge during function.
- This reduction favors cheek and tongue support to keep the denture in place.
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Anteroposterior Dimension:
- Consider the length of the edentulous area between the distal of the mandibular canine and the ascending area of the mandible (anterior to the retromolar pad).
- Placement of teeth on an ascending area could direct forces on an inclined plane, which may dislodge the denture.
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Vertical Length:
- The length of lower posterior teeth should coincide with the center of the retromolar pad.
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Description
Test your knowledge on selecting anterior artificial teeth, with a focus on maxillary anterior teeth. This quiz covers important measurements and guidelines essential for accurate prosthetic design. Perfect for dental students and dental professionals.
