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Questions and Answers
What is one primary function of primary teeth in children?
What is one primary function of primary teeth in children?
- To assist with the development of a proper diet (correct)
- To serve as placeholders for adult teeth
- To facilitate the growth of the jaw bone
- To increase the visual appeal of children's smiles
Which characteristic distinguishes deciduous teeth from permanent teeth?
Which characteristic distinguishes deciduous teeth from permanent teeth?
- They are generally larger than permanent teeth
- They have more prominent cervical ridges (correct)
- They have more mineralized enamel
- They typically develop by age three
How do the crowns of deciduous teeth typically compare to those of permanent teeth?
How do the crowns of deciduous teeth typically compare to those of permanent teeth?
- Shorter and less mineralized (correct)
- Darker and more translucent
- Larger and more elongated
- Rougher with more occlusal grooves
What is a consequence of congenital absence or premature loss of primary teeth?
What is a consequence of congenital absence or premature loss of primary teeth?
Which of the following statements about the occlusal surface of deciduous molars is correct?
Which of the following statements about the occlusal surface of deciduous molars is correct?
What is the primary difference in the development time of the roots between deciduous and permanent teeth?
What is the primary difference in the development time of the roots between deciduous and permanent teeth?
How do the roots of posterior deciduous teeth compare to those of permanent molars?
How do the roots of posterior deciduous teeth compare to those of permanent molars?
What characteristic of the enamel in deciduous teeth contributes to its wear?
What characteristic of the enamel in deciduous teeth contributes to its wear?
Which of the following statements about the pulp of deciduous teeth is correct?
Which of the following statements about the pulp of deciduous teeth is correct?
What is the crown-root ratio of anterior deciduous teeth compared to their permanent counterparts?
What is the crown-root ratio of anterior deciduous teeth compared to their permanent counterparts?
Flashcards
Why are primary teeth important?
Why are primary teeth important?
Primary teeth, also known as baby teeth, are essential for proper chewing, maintaining a healthy diet, and developing clear speech.
What makes primary teeth lighter in color?
What makes primary teeth lighter in color?
The enamel on primary teeth is less mineralized than permanent teeth, resulting in a lighter and less opaque appearance.
How do the sizes of primary and permanent teeth differ?
How do the sizes of primary and permanent teeth differ?
Primary teeth are smaller than permanent teeth and have a wider mesiodistal dimension compared to their inciso-gingival height.
What distinguishes the occlusal surface of primary molars?
What distinguishes the occlusal surface of primary molars?
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How do primary teeth contribute to the eruption of permanent teeth?
How do primary teeth contribute to the eruption of permanent teeth?
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Enamel Attrition in Deciduous Teeth
Enamel Attrition in Deciduous Teeth
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Deciduous vs. Permanent Root Formation
Deciduous vs. Permanent Root Formation
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Crown-Root Ratio in Deciduous Teeth
Crown-Root Ratio in Deciduous Teeth
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Root Flare in Deciduous Molars
Root Flare in Deciduous Molars
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Pulp Chamber Size in Deciduous Teeth
Pulp Chamber Size in Deciduous Teeth
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Study Notes
Deciduous Dentition
- Primary teeth are present until age six and crucial for efficient mastication of food, proper nutrition, and maintaining the facial structure.
- Primary teeth are important for proper development of speech as proper pronunciation of consonants depends on them.
- Deciduous teeth play a vital role in reserving space for the permanent teeth.
Differences between Permanent and Deciduous Teeth
- Deciduous teeth are generally smaller and lighter in color compared to permanent teeth.
- Deciduous teeth are shorter and have more constricted surfaces in the cervical region.
- Deciduous teeth have a wider mesiodistal width and relatively less mineralization of enamel than their permanent counterparts.
- The roots of deciduous teeth are shorter and wider than the permanent ones. The roots are usually formed within one year of eruption compared to 3 years for permanent teeth.
- Root resorption in deciduous teeth is a physiologic process, while the process in permanent teeth is pathological.
- Deciduous teeth are narrower mesiodistally and have a higher crown-root ratio when compared to permanent teeth.
- Deciduous teeth have more prominent cervical ridges and their enamel ends abruptly, while permanent teeth have gradually tapering enamel.
- The second deciduous molar is larger than the first one, opposite to the permanent molars.
- Deciduous incisors lack mammelons.
Internal Structure of Deciduous Teeth
- Enamel of deciduous teeth wears down quickly due to attrition (less mineralized), resulting in relative thinning.
- Dentin thickness is limited, especially in some regions of the lower second deciduous molar.
- Pulp cavity is comparatively larger in deciduous teeth.
- Mesial pulp horns of deciduous molars are significantly large.
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Description
This quiz covers the significance of deciduous teeth, also known as primary teeth, and their role in proper nutrition, speech development, and space maintenance for permanent teeth. It further highlights the key differences between deciduous and permanent teeth in terms of structure and development.
