Boning round bur for dental crown lengthening
A bone ball and dental technology, applied in dentistry, dental tools, medical science, etc., can solve problems such as accidental injury to the root of the tooth, and achieve the effect of avoiding accidental injury and facilitating fine manipulation
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[0028] Below with the accompanying drawings ( Figure 1-Figure 10 ) to illustrate the present invention.
[0029] refer to Figure 1 to Figure 10As shown, a dental crown extension and bone removal ball drill includes a ball drill rod 5, and the ball drill rod 5 is sequentially composed of a spherical drill needle 9, an annular boss portion 7 and a ball drill neck 6 from the bottom end to the top. , the lower end face of the boss of the annular boss portion 7 is the height line of the first scale zone (for example, 0.5 mm, 1 mm, etc.) for judging the amount of bone removed, and the upper end face of the boss of the annular boss portion 7 is The height line of the second scale area used to judge the amount of bone removal (for example, the height line P2 of the upper end surface of the boss of 2mm, the height line P3 of the upper end surface of the boss of 3mm, the height line P4 of the upper end surface of the boss of 4mm, etc.), the ring The boss part 7 has a smooth peripher...
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