| 刘安琪,高安天,刘澍,林梓桐.自制改良锥形束CT固位组件用于颌面部扫描[J].中国医学影像技术,2025,41(9):1582~1585 |
| 自制改良锥形束CT固位组件用于颌面部扫描 |
| Self-made improved cone beam CT fixation components for maxillofacial scanning |
| 投稿时间：2024-11-26 修订日期：2025-04-02 |
| DOI：10.13929/j.issn.1003-3289.2025.09.027 |
| 中文关键词: 口腔医学|锥形线束CT|伪影|固位 |
| 英文关键词:oral medicine|cone beam computed tomography|artifacts|retention |
| 基金项目:南京大学医学院附属口腔医院"2015"助才计划。 |
| 作者 | 单位 | E-mail | | 刘安琪 | 南京大学医学院附属口腔医院, 南京市口腔医院, 南京大学口腔医学研究所口腔颌面医学影像科, 江苏 南京 210008 | | | 高安天 | 南京大学医学院附属口腔医院, 南京市口腔医院, 南京大学口腔医学研究所口腔颌面医学影像科, 江苏 南京 210008 | | | 刘澍 | 南京大学医学院附属口腔医院, 南京市口腔医院, 南京大学口腔医学研究所口腔颌面医学影像科, 江苏 南京 210008 | | | 林梓桐 | 南京大学医学院附属口腔医院, 南京市口腔医院, 南京大学口腔医学研究所口腔颌面医学影像科, 江苏 南京 210008 | linzitong710@163.com |
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| 中文摘要: |
| 目的 观察自制改良锥形束CT(CBCT)固位组件用于颌面部扫描的价值。方法 通过对Planmeca ProMax 3D Mid牙科全景X线系统配备CBCT固位组件(颏托、颞夹)进行改良获得改良CBCT固位组件,包括改良颏托、颞夹及枕部固位带。回顾性选取571例因牙齿相关疾病而接受颌面部CBCT检查患者,将其中的288例(A组)分为A1(n=78)、A2(n=74)、A3(n=68)及A4(n=68)亚组,分别接受由低年资技师利用原颏托+原颞夹(组件1)、改良颏托+原颞夹(组件2)、原颏托+原颞夹+枕部固位带(组件3)或改良颏托+原颞夹+枕部固位带(组件4)进行的颌面部扫描;将另外283例(B组)分为B1(n=72)、B2(n=69)、B3(n=73)及B4(n=69)亚组,分别接受由高年资技师利用上述组件进行的颌面部扫描。对比A2/B2、A3/B3、A4/B4亚组与A1/B1亚组间伪影发生率。结果 相比A1+B1亚组,A4+B4亚组总体运动伪影率由17.33%(26/150)降至8.03%(11/137)(P=0.019),而A2+B2亚组[13.29%(19/143)]及A3+B3亚组[9.93%(14/141)]总体运动伪影率无明显下降(P=0.337、0.067)。A组内A2[17.57%(13/74)]及A3[13.24%(9/68)]亚组运动伪影率与A1亚组[23.08%(18/78)]差异无统计学意义(P=0.399、0.127),A4亚组[10.29%(7/68)]运动伪影率低于A1亚组[23.08%(18/78)](P=0.041)。B组内B2、B3、B4亚组运动伪影率[8.70%(6/69)、6.85%(5/73)、5.80%(4/69)]与B1亚组[11.11%(8/72)]差异均无统计学意义(P=0.632、0.369、0.258)。结论 利用自制改良CBCT固位组件能有效固定患者头部,减少颌面部CBCT中的运动伪影。 |
| 英文摘要: |
| Objective To observe the value of self-made improved cone-beam CT (CBCT) fixation components for maxillofacial scanning. Methods CBCT fixation components (chin rest, temporal clamp) equipped by Planmeca ProMax 3D Mid dental panoramic X-ray system were modified to obtain improved CBCT fixation components, including improved chin rest, temporal clamp and occipital retention band. Totally 571 patients who underwent maxillofacial CBCT examinations for dental-related diseases were retrospectively enrolled, including 288 cases (group A) underwent scanning by a junior technician using original chin rest+original temporal clamp (component 1, n=78, A1 subgroup), modified chin rest + original temporal clamp (component 2, n=74, A2 subgroup), original chin rest + original temporal clamp + occipital retention band (component 3, n=68, A3 subgroup) or modified chin rest + original temporal clamp + occipital retention band (component 4, n=68, A4 subgroup), while the rest 283 cases (group B) underwent scanning by a senior using the above components, respectively, and were taken as B1 (n=72), B2 (n=69), B3 (n=73) and B4 (n=69) subgroups. The incidence of motion artifacts were compared among A2/B2, A3/B3, A4/B4 subgroups and A1/B1 subgroups. Results Compared with A1+B1 subgroups, the overall motion artifacts rate in A4+B4 subgroups decreased from 17.33% (26/150) to 8.03% (11/137) (P=0.019), while in A2+B2 subgroups (13.29%[19/143]) and A3+B3 subgroups (9.93%[14/141]) did not significantly decrease (P=0.337, 0.067). In group A, no statistical difference of motion artifacts rate was found between A2 (17.57%[13/74]) or A3 (13.24%[9/68]) subgroups and A1 subgroup (23.08%[18/78]) (P=0.399, 0.127), while the motion artifacts rate in A4 subgroup (10.29%[7/68]) was lower than that in A1 subgroup (23.08%[18/78]) (P=0.041). In group B, no significant difference of motion artifacts rates was found between B2, B3 or B4 subgroups (8.70%[6/69], 6.85%[5/73], 5.80%[4/69]) and B1 subgroup (11.11%[8/72]) (P=0.632, 0.369, 0.258). Conclusion Self-made improved CBCT fixation components could effectively secure patients’ head and reduce motion artifacts in maxillofacial CBCT. |
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