Conclusion By adopting the root canal therapy together with the technologies of inner bleaching and seal dentinal tubule we can prevent and cure crown surface discoloration effectively.

结论在根管治疗的同时结合内漂白技术和牙本质小管封闭技术能有效地防治牙冠表面变色。

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Also elongate through the inner core of your body up through the crown of your head.

也通过身体里面的核心、通过头顶向上延长。

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Composite pistons of various types are widely used in internal combustion engines, such as steel crown and aluminium skirt type, inner and outer pistons type, and so on.

在内燃机中组合式活塞结构应用广泛，例如钢顶铝裙活塞、内外组合活塞等。

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Court staff and lawyers looked on as the 20-year-old victim was treated by paramedics in the security entrance to Inner London Crown Court.

BBC: Man stabbed at Inner London Crown Court

Inner London Crown Court heard Mr Darcy told a reporter he planted weapons and explosives around Liverpool as part of the scam to get two men out of jail.

BBC: Men accused of freedom conspiracy