结论：结果表明，只有保持正常的生物学宽度才能达到完美的效果和长久的疗效。

Conclusion: the nice effectiveness and the better curative effect depend on keeping biological width normal.

youdao

结论：结果表明，只有保持正常的生物学宽度才能达到完美的效果和长久的疗效。

Conclusion: the nice effectiveness and the better curative effect depend on keeping biological width normal.

youdao