Accuracy of cone beam computed tomography in assessing maxillary molar furcation involvement

doi:10.7518/hxkq.2020.03.007

Abstract

Abstract:

Objective This study aimed to assess the accuracy of cone beam computed tomography (CBCT) in detecting furcation involvement (FI) in maxillary molars. Methods Thirty-one maxillary molars of 15 patients with generalized chronic periodontitis considered for furcation surgery were assessed. Clinical examination and CBCT were performed, and the FI degree was evaluated. Clinical and CBCT-based FI assessments were compared with intrasurgical data. Results The agreement between clinical and intrasurgical assessments was weak in all sites, with a kappa of less than 0.4; the complete, overestimated, and underestimated agreement percentages were 42.0%, 24.7%, and 33.3%, respectively. The agreement between the CBCT and intrasurgical assessments was strong, with a kappa of 0.831; the complete, overestimated, and underestimated agreement percentages were 88.2%, 3.2%, and 8.6%, respectively. The agreement between both assessments was the highest in the buccal furcation entrance (κ=0.896), followed by that in the distopalatal (κ=0.822) and mesiopalatal (κ=0.767) furcation entrances. Conclusion CBCT images demonstrated high accuracy in assessing the horizontal bone loss of FI in maxillary molars.

Key words: cone beam computed tomography, furcation involvement, maxillary molar

CLC Number:

R445

Zhao Haiyan, Wang Nan, Ding Yi, Zheng Haiying, Qian Junrong. Accuracy of cone beam computed tomography in assessing maxillary molar furcation involvement[J]. West China Journal of Stomatology, 2020, 38(3): 270-273.

Figures/Tables 2

References 13

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分度	临床检查	CBCT检查	术中检查
0	11	9	5
Ⅰ	23	33	35
Ⅱ	47	26	29
Ⅲ	12	25	24

位点	临床检查与术中检查结果比较			CBCT检查结果与术中检查结果比较
位点	κ值	P值	完全一致百分率/%	κ值	P值	完全一致百分率/%
颊侧	0.361	0.000	54.8	0.896	0.000	93.5
近颊腭侧	0.124	0.279	41.9	0.767	0.000	83.9
远颊腭侧	0.007	0.935	29.0	0.822	0.000	87.1
所有位点	0.183	0.003	42.0	0.831	0.000	88.2

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