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Tooth-supported personalized template-assisted foramen ovale puncture system for trigeminal neuralgia treatment
Zi-Xiang Han1, Min-Jie Chen1, Wei-Jie Zhang1
1Department of Oral Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai 200011, PR China.
Purpose:
To introduce a tooth-supported personalized template-assisted foramen ovale (FO) puncture system for trigeminal neuralgia (TN) treatment, analyze its advantages, and review other previously reported methods.
Methods:
Sixty-seven patients were included. According to the preoperative digital design, the personalized puncture path was determined. Then, a tooth-supported personalized template was designed and manufactured. Finally, surgery (radiofrequency thermocoagulation or balloon compression) was carried out with the assistance of the template. The puncture effect and puncture-associated complications were evaluated, and the related literature was reviewed.
Results:
The FO was successfully punctured in one attempt in all patients. The procedure was completed in 15 s in 35 (52.24%) patients and in 15-30 s in 28 (41.79%) patients. The required position was accurately reached in all patients, and the center point error range was within 1 mm. No complications associated with puncture occurred.
Conclusion:
The tooth-supported personalized template-assisted FO puncture system reported in this paper is an exceedingly simple, highly effective and safe FO puncture method that is worth popularizing.
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