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Chinese Journal of Medical Ultrasound (Electronic Edition) ›› 2024, Vol. 21 ›› Issue (01): 53-56. doi: 10.3877/cma.j.issn.1672-6448.2024.01.008

• Superficial Parts Ultrasound • Previous Articles    

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 Online:2024-01-01 Published:2024-03-27
  • Contact: Litao Sun

Abstract:

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.

Key words: Maxillary anterior teeth, Periodontal biotype, Ultrasound, High frequency linear array probe

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