锥形束CT与数字化根尖片对根充效果的评价

Abstract

Abstract: Abstract: Objective To compare the root filling quality assessed by conebeam computed tomography (CBCT) and periapical radiographs (PA),and to explore the advantage and application value of CBCT in the root canal treatment.Methods In total,100 teeth (221 canals) were clinically diagnosed and received root canal therapy.After root canal filling,the length and density of root filling were assessed with PA and CBCT simultaneously by two experienced endodontists.Chisquare test was performed with the data from PA or CBCT to evaluate the quality of the root filling.Results In total，214 canals received rootcanal treatment while 7 canals were omitted.In terms of length,density and satisfaction of the root filling,there were about 34.58%,30.48% and 37.58% of canals demonstrated different results based on the evaluation from PA and CBCT respectively.According to the result of statistical test,PA and CBCT had significant differences (P <0.01) in the assessment of the three aspects mentioned above.Conclusions It is more sensible and accurate of CBCT in detecting the quality of the root filling compared with PA,thus it is of great value in the complex or difficult root canal treatment.

Key words: cone-beam copmuted tomography, CBCT, periapical radiography, root canal treament, quality of canal filling

CLC Number:

R781.05

References

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Assessment of the canal fillings using cone beam computed tomography and digital periapical radiography

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