DIGESTIVE SYSTEM
TEETH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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UR, LR, UL, LL
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UL, UR, LR, LL
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LR, LL, UR, UL
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UR, UL, LL, LR
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Detailed explanation-1: -right upper (maxillary) quadrant = UR. left upper (maxillary) quadrant = UL. left lower (mandibular) quadrant = LL. right lower (mandibular) quadrant = LR.
Detailed explanation-2: -FDI World Dental Federation (ISO) notation The FDI notation uses a two-digit numbering system in which the first digit represents a tooth’s quadrant and the second digit represents the number of the tooth from the midline of the face.
Detailed explanation-3: -The right upper part of your mouth is the first quadrant, followed by the top left side (second quadrant). The bottom of your mouth has the opposite designation. The left bottom side is the third quadrant, and the right bottom side is the fourth quadrant.
Detailed explanation-4: -The “L” is right side up for the teeth in the upper right. The teeth in the upper left use a backward “L.” For the bottom quadrants, the “L” is upside-down. The quadrants may also be identified by letters, such as “UR” or “URQ” for the upper right quadrant.