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Question :-

Maxillary anterior tooth length can be evaluated using which of the following phonetic guidelines:
"S" sounds can be utilized to determine length relative to the vermilion border of the lower lip.
"F" sounds can be utilized to determine length relative to the lower incisors.
"E" sounds can be utilized to determine length relative to the midway point between the upper and lower lips.
"M" sounds can be utilized to determine length relative to lower incisors.

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