Introduction of Damon UltimaChris Chang Ortho719

This is a quick intro of the latest Damon Ultima system. The new system has two new features, round-sided rectangular wire and parallelogram slot that reduces wire-bending and the level of play in the slot. In essence it can increase precision and efficiency. 本篇快速介紹了最新的Damon Ultima系統。這個嶄新的系統包含兩大特點， round-sided rectangular wire 和parallelogram slot，可以減少彎線的需求，以及線在卡槽裡的活動空間，讓治療的效果更有精準有效率。