Podcast
Questions and Answers
Primate spaces in the primary dentition are usually located:
Primate spaces in the primary dentition are usually located:
In the maxillary arch, which of the following facilitates the eruption of the larger incisors to replace the primary incisors?
In the maxillary arch, which of the following facilitates the eruption of the larger incisors to replace the primary incisors?
In the primary dentition, the terminal plane of the mandibular second primary molar is located behind the terminal plane of the maxillary second primary molar. What is the molar classification for this patient?
In the primary dentition, the terminal plane of the mandibular second primary molar is located behind the terminal plane of the maxillary second primary molar. What is the molar classification for this patient?
In the primary dentition, which of the following relationships is most common?
In the primary dentition, which of the following relationships is most common?
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The early mesial shift occurs at the time of the:
The early mesial shift occurs at the time of the:
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Leeway space is:
Leeway space is:
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What percentage of patients with a flush terminal plane relationship in the mixed dentition will develop into a Class I molar relationship in the permanent dentition?
What percentage of patients with a flush terminal plane relationship in the mixed dentition will develop into a Class I molar relationship in the permanent dentition?
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In the maxillary arch, the incisor liability is approximately:
In the maxillary arch, the incisor liability is approximately:
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The profile of a newborn infant can best be described as:
The profile of a newborn infant can best be described as:
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The mandibular arch form of a newborn infant is:
The mandibular arch form of a newborn infant is:
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In a child, a lack of primate spaces in the dentition should be interpreted as:
In a child, a lack of primate spaces in the dentition should be interpreted as:
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Study Notes
Primate Spaces
- Located in the maxillary arch between the lateral incisor and canine.
- Essential for accommodating the eruption of larger permanent incisors.
Eruption Facilitation
- The labial eruption path of permanent incisors in the maxillary arch aids in replacing primary incisors.
Molar Classification
- Distal step terminal plane is characterized by the mandibular second primary molar being behind the maxillary second primary molar.
Common Relationships in Primary Dentition
- Mesial step terminal plane is the most frequently occurring relationship in primary dentition.
Early Mesial Shift
- Occurs during the eruption of the first permanent molars.
Leeway Space
- Results from differences in size between posterior primary and permanent teeth, playing a vital role in the early mesial shift.
Flush Terminal Plane Development
- About 75% of patients with a flush terminal plane in mixed dentition transition to a Class I molar relationship in permanent dentition.
Incisor Liability
- The incisor liability in the maxillary arch is approximately 7 mm, indicating the need for space for permanent incisors.
Newborn Profile
- Newborn infants typically exhibit a convex facial profile.
Mandibular Arch Form
- The mandibular arch form in newborns is V-shaped, indicating differences from older children and adults.
Lack of Primate Spaces
- Absence of primate spaces in a child's dentition suggests a high likelihood of permanent teeth crowding in the future.
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Description
Test your knowledge of primate spaces in the primary dentition with this quiz based on Module 6. Answer questions about the location of these spaces in the maxillary and mandibular arches to enhance your understanding of dental anatomy.
