What type of bur is a No. 556?
A)Round bur
B)Inverted cone
C)Straight fissure-crosscut
D)Tapered fissure-plain cut
E)Tapered fissure-crosscut

Name: What type of bur is a No. 556? A)Round bur B)Inverted cone C)Straight fissure-crosscut D)Tapered fissure-plain cut E)Tapered fissure-crosscut
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Question

Quizplus · Accepted Answer

No. 556 is a straight fissure--crosscut bur. Round burs are numbered 1/4 to 10; inverted cone: 33 1/2, 34, 37, 39; tapered fissure--plain cut: 168, 169, 170, 171; tapered fissure--crosscut: 699, 700, 701, 702, 703.

What Type of Bur Is a No. 556