这可以有助于从龈线上刷下菌斑。

This helps move the plaque out from under the gum line.

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倾斜牙刷是的刷毛指向龈线。

Tilt the brush so the bristles are pointing at your gum line.

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图72-20偏斜排龈线与印模排龈线一起置位样。

Figure72-20 Deflection cord and impression cord are in place.

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图72-20偏斜排龈线与印模排龈线一起置位样。

Figure72-20 Deflection cord and impression cord are in place.

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