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中华医学超声杂志(电子版) ›› 2024, Vol. 21 ›› Issue (01) : 53 -56. doi: 10.3877/cma.j.issn.1672-6448.2024.01.008

浅表器官超声影像学

上颌前牙牙周生物型的超声影像特征及相关临床参数测量初步探索
徐松城1, 朱曼宁1, 叶瑞忠1, 王立刚1, 侯春杰1, 李建春1, 孙立涛1,()   
  1. 1. 310014 杭州,浙江省人民医院肿瘤中心超声医学科 杭州医学院附属人民医院超声医学科
  • 收稿日期:2023-03-07 出版日期:2024-01-01
  • 通信作者: 孙立涛
  • 基金资助:
    国家自然科学基金面上项目(82071929)

Ultrasonic imaging characteristics of periodontal biotype of maxillary anterior teeth and measurement of related clinical parameters

Songcheng Xu1, Manning Zhu1, Ruizhong Ye1, Ligang Wang1, Chunjie Hou1, Jianchun Li1, Litao Sun1,()   

  1. 1. Department of Ultrasound, Cancer Center of Zhejiang Provincial People's Hospital, Affiliated People's Hospital of Hangzhou Medical College, Hangzhou 310014, China
  • Received:2023-03-07 Published:2024-01-01
  • Corresponding author: Litao Sun
引用本文:

徐松城, 朱曼宁, 叶瑞忠, 王立刚, 侯春杰, 李建春, 孙立涛. 上颌前牙牙周生物型的超声影像特征及相关临床参数测量初步探索[J]. 中华医学超声杂志(电子版), 2024, 21(01): 53-56.

Songcheng Xu, Manning Zhu, Ruizhong Ye, Ligang Wang, Chunjie Hou, Jianchun Li, Litao Sun. Ultrasonic imaging characteristics of periodontal biotype of maxillary anterior teeth and measurement of related clinical parameters[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2024, 21(01): 53-56.

目的

初步探索利用超声高频线阵探头检查上颌前牙牙周生物型的可行性,并归纳总结其超声影像学特征。

方法

2022年10月至12月通过院内推荐的方式选择25名牙周健康的志愿者,利用发射15 MHz超声波的探头经上唇皮肤,以纵切及横切、平移及扇扫结合的方式检查150颗上颌前牙,然后采集图像,归纳总结其牙周生物型超声影像特征,并在图像上显示相关临床参数测量方法。

结果

超声图像中牙体及牙槽骨硬组织为强回声,但牙釉质表面光滑,而牙槽骨表面粗糙、呈颗粒感;牙龈软组织显示为低回声,且牙龈表面轮廓光滑;另外,细微结构如游离龈缘、龈沟、牙龈上皮和固有层亦为低回声,而牙周间隙、牙骨质-牙釉质交界部为等回声。牙周生物型相关临床参数可在超声图像上进行标识及测量。

结论

15 MHz的超声波能清晰显示上颌前牙的牙周生物型的特征,并能显示相关临床参数的测量。

Objective

To investigate the feasibility of using high-frequency linear array ultrasound probe (ML6-15) to detect the periodontal biotype (PB) of maxillary anterior teeth and summarize its ultrasonic imaging characteristics.

Methods

A total of 25 volunteers with good periodontal health were selected from October to December 2022, and 150 maxillary anterior teeth were examined through the upper lip skin with a 15 MHz ultrasonic probe by combining longitudinal and transverse cutting, translation, and fan scanning. The images were collected, and the ultrasound imaging characteristics of PB were summarized. The relevant clinical parameter measurement methods were displayed on the images.

Results

The hard tissue of the teeth and alveolar bone showed strong echo in ultrasonic images. The surface of enamel was smooth, while the surface of alveolar bone was rough and granulated. The gingival soft tissue showed low echo, and the gingival surface was smooth. In addition, fine structures such as free gingival margin, gingival groove, gingival epithelium, and lamina propria were hypoechoic, while the periodontal space and cemento-enamel junction were isoechoic. Clinical parameters related to PB can be identified and measured on ultrasonic images.

Conclusion

15 MHz ultrasound can clearly display the characteristics of the PB of maxillary anterior teeth and the measurements of related clinical parameters.

图1~2 上颌前牙牙周生物型相关结构的超声影像特征图示 注:图1中右框a:牙冠;中框b:游离龈,c:牙颈;左框d:附着龈,e:牙槽骨;1:牙釉质;2:牙骨质-牙釉质交界部;3:牙周间隙;4:牙槽骨嵴;5:牙槽骨嵴顶;6:牙槽骨表面轮廓;7:龈沟;8:游离龈缘;9:牙龈上皮;10:牙龈上皮-固有层交界部;11:牙龈固有层;12:牙龈表面轮廓。图2中1:牙颈部牙釉质;2:龈乳头;3:游离龈
图3~7 上颌前牙牙周生物型中各临床参数的标识及测量图示 注:图3中a:牙冠长度;b:游离龈缘至牙槽嵴的距离;a+b:牙尖处牙骨质-牙釉质交界部至牙槽嵴的距离;c:牙周间隙宽度;d:游离龈-附着龈交界部牙龈最大厚度;e:游离龈牙龈厚度;f:牙釉质厚度;图4中a:角化龈厚度;b:角化龈宽度;图5中a:龈乳头厚度;b:龈乳头宽度;图6中ab:龈乳头高度(a点代表动态扫查下相邻游离龈缘连线与龈乳头的大致交界点,b点代表龈乳头顶点);图7中a:牙冠宽度
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