| 1. | The memory wire is bent into the shape of the ideal dental arch.
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| 2. | But the Hadar jaw is broader, with a parabolic dental arch.
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| 3. | Pacifiers and thumb-sucking can alter the position of the developing teeth and the dental arches.
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| 4. | At its center, it is completely even and approximates the shape of an ideal dental arch.
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| 5. | A "'lingual arch "'is an orthodontic device which connects two molars in the upper or lower dental arch.
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| 6. | The characteristic could also be attributed to hormones, duration of development, and the capacity of the maxillary dental arch.
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| 7. | These correspond to the 10 primary teeth of each dental arch, and they signify the bud stage of tooth development.
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| 8. | In the active skeletal posture, deglutition disorders and other habits greatly influence the development of the face and dental arches.
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| 9. | The analysis helps to determine if the dental arch is narrow or normal and if expansion is possible or not.
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| 10. | They are made by using a container which is designed to roughly fit over the dental arches ( " trays " ).
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