我以前试过这些治疗方案的大多数，但从未同时进行。

I've tried most of these treatments before, but never all together.

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在降低出血风险的同时，我们如何恰适使用这些治疗方案？

How can one appropriately apply these treatment therapies while reducing the risk of bleeding?

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针对着色牙的治疗取决于牙齿的染色程度。下面这些治疗方案是依据染色程度由轻到重来排列的。

Treatment for discolored teeth depends on the magnitude of the stain; remedies appear here in order of increasing intensity.

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