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KMID : 0363020080380010023
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Journal of Korean Academy of Periodontology
2008 Volume.38 No. 1 p.23 ~ p.29
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Study on broken periodontal curets
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Kwon Oh-Jang
Lee Jae-Kwan
Chang Beom-Seok
Um Heung-Sik
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Abstract
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Purpose : The purpose of this study was to investigate the incidence of curet fracture and its contributing factors.
Materials & Methods : Fifty-eight periodontal curets which were broken during periodontal treatment in Kangnung
National University Dental Hospital for 1 year were used as study materials. The blade thickness of new curets and
broken ones was measured using a digital micrometer. Types of treatment procedures, clinical experience of operators,
point of breakage, and method of removal of broken fragments were recorded for each broken curet.
Results : The incidence of curet fracture in root planing (16.4 curets per 1,000 procedures) was higher than those in flap surgery (7.5) or supragingival scaling (2.7). No curet was broken during supportive periodontal treatment. The
incidence of fracture did not seem to be related with clinical experience of operators. The most frequent breakage point
of the curets were upper 1/3 of blades. Fifty-six of 58 broken fragments were removed by non-surgical methods. Two
broken tips which could not removed non-surgically were left in the pockets, and proved to be removed spontaneously
1 week later.
Conclusion : Root planing showed higher incidence of curet fracture than any other type of periodontal treatment. Most of the fractured fragments were removed by non-surgical method. Further study is needed to develop methods of
removal of the fragments which can not be removed non-surgically. (J Korean Acad Periodontol 2008;38:23-30)
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KEYWORD
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periodontal curets, fracture, periodontal treatment
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