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8 o'clock position
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Use the third finger to retract the right cheek to increase visibility
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Place ErgoFinger's nozzle near to scalers tip and turn the nozzle's opening towards the scalers' tip
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The ergonomic and balanced posture from the 8 o'clock position

Maxillary Left Lingual

Work on the maxillary left lingual using direct vision from the 8 o'clock position.