동영상

• ▶ Comparison of chip air and no-use when using a high speed handpiece Dr. Youngsam Kim · 2018.08.16
• ▶ Comparison of chip air and no-use when using a low speed straight handpiece Dr. Youngsam Kim · 2018.08.16
• ▶ Low speed straight handpiece for oral surgery with saline Dr. Youngsam Kim · 2018.08.16

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