Bur

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Bur

An ancient Sumerian unit of area approximately equivalent to 64.8 square kilometers.
References in periodicals archive ?
Subgroup B2: Parapost fiber post were removed using a 1/2 round bur, no 850 coarse diamond burs, and no.3 and no.4 Peeso reamer burs.
Tooth was isolated using rubber dam and access cavity was prepared using high speed handpice with round bur and patient was asked about pain, if sensitive it was recorded in proforma.
Figure 2 shows the surface when etched for 15 seconds using polyacrylic acid at 40% (Fuji XI liquid part, GC America inc., Chicago, USA), and partial caries removal carried out using hand instrument or round bur in low speed rotary motor.