Intraoperative Measurement of the Distance from the Bottom of Osteotomy to the Mandibular Canal Using a Novel Ultrasonic Device

Zigdon‐Giladi, Hadar; Saminsky, Michael; Elimelech, Rina; Machtei, Eli E.

doi:10.1111/cid.12362

Cited by 10 publications

(8 citation statements)

References 24 publications

(44 reference statements)

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“…Intraoperative drill bit location is confirmed with intraoral radiographs. Ultrasound can detect the impedance differences between the cancellous bone and the cortical bone that surrounds important structures; 35,38,47 therefore, it could be used in lieu of radiographs to avoid surgical complications. Flapless implant surgery is becoming more popular because of tissue preservation, faster healing and reduced morbidity.…”

Section: Discussionmentioning

confidence: 99%

“…Subsequently, a follow-up study with a larger sample size was conducted by the same group, showing the mean differences in residual bone height were 0.18 mm, with good correlation (r = 0.61). 47 The diameter, direction of blood flow, and blood volume of the sublingual artery were evaluated. 34 The Bone boundaries should not be violated during implant surgery, otherwise soft tissue damage and surgical complications may occur.…”

Section: Main Indication 3: Vital Structure Evaluationmentioning

confidence: 99%

See 1 more Smart Citation

Updates on ultrasound research in implant dentistry: a systematic review of potential clinical indications

Bhaskar

Chan

MacEachern

et al. 2018

Dentomaxillofacial Radiology

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Section: Discussionmentioning

confidence: 99%

Section: Main Indication 3: Vital Structure Evaluationmentioning

confidence: 99%

Updates on ultrasound research in implant dentistry: a systematic review of potential clinical indications

Bhaskar

Chan

MacEachern

et al. 2018

Dentomaxillofacial Radiology

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“…US propagation is described in [17] for a similar case. Notes: Recent version of the IUS was applied successfully during tumor-in-brain clinical trials [22] and previously in orthopedics [13] and Dental Implantation Surgeries (DIS) [11,[17][18][19].…”

Section: Methodsmentioning

confidence: 99%

Intraoperative Spinal Cord Remote Monitoring with a Modified US A-Scope

Zaaroor¹,

Sviri²,

Sinai³

et al. 2021

austinjclincaserep

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Materials and Methods: The motivation for this feasibility study were: (i) to modify the ultrasonic A-scope in order to monitor remotely, intraoperatively and in real-time tumor’s depth and size, before cutting its dura and to control tumor’s residual thickness while its resection and (ii) to demonstrate these abilities during several spinal-cord surgeries. Results: The ultrasonic A-scope was modified for these purposes, to a noncontact, intraoperative and real-time device. It was successfully applied during several human spinal cord clinical trials. Its data were compared with those of a pre-operative MRI (of the same person), where a good similarity was obtained between them, with a difference less than 1mm, in most cases. Conclusions: The modified A-Scope advantages: (i) remote, intraoperative and real-time monitoring; (ii) accurate and objective data was obtained; (iii) there is no direct contact between the US transducer and the monitored tissue, as the ultrasound propagates through a free stream of normal saline; (iv) the length of the free stream is few mm, at least; (v) the handpiece enables to monitor in a confined area, as it has a small foot-print; (vi) it is simple to operate the device; (vii) it enables to define intraoperatively tumor edges, before cutting and opening the dura. Consequently, this modified device seems to be a valuable and useful tool to define intraoperatively tumor’s location and its complete removal and reducing potential damages to healthy tissues surrounding it.

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“…Note : Comparison of depth and residual thickness measurements between those obtained with the NUD, a mechanical caliper (the Golden Standard) and those obtained from an X-ray (or a CT) image was presented [ 12 – 14 , 16 ]. It was found there that the NUD and the mechanical measurements were very close, with differences not larger than 0.2 mm, with the same average and a smaller SD.…”

Section: Methodsmentioning

confidence: 99%

“…The electronic pulser (located in the "electronics unit") feeds the US transducer, causing its active surface (AS) to vibrate in an US frequency thus producing US waves in the NS. These US waves propagate in a "free jet" of a tiny laminar flow [11][12][13][14][15][16][17] and are incident on the investigated tissue and from there they are partially reflected and partially transmitted. The US pulse echoes (PE) are obtained from the front surface of that tissue and also from its rear boundary.…”

Section: Measuring Details Generalmentioning

confidence: 99%

New US device versus imaging US to assess tumor-in-brain

Halevy-Politch¹,

Zaaroor

Sinai

et al. 2020

Chin Neurosurg Jl

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Background: Applying ultrasonic imaging system during surgery requires the poring of saline, performing the measurement, and acquiring data from its display-which requires time and is highly "performer dependent," i.e., the measure is of a subjective nature. A new ultrasonic device was recently developed that overcomes most of these drawbacks and was successfully applied during tumor-in-brain neurosurgeries. The purpose of this study was to compare the two types of US devices and demonstrate their properties. Methods: The study was performed in the following stages: (i) an ex vivo experiment, where slices of the muscle and brain of a young porcine were laid one on top the other. Thicknesses and border depths were measured and compared, using the two types of US instruments. (ii) During human clinical neurosurgeries, tumor depth was compared by measuring it with both devices. (iii) Following the success of stages (i) and (ii), using solely the new US device, the tumor thickness was monitored while its resection. Correlation, Pearson's coefficient, average, mean, and standard deviation were applied for statistical tests. Results: A high correlation was obtained for the distances of tissue borders and for their respective thicknesses. Applying these ultrasonic devices during neurosurgeries, tumor depths were monitored with high similarity (87%), which was also obtained by Pearson's correlation coefficient (0.44). The new US device, thanks to its small footprint, its remote measurement, and the capability of monitoring intraoperatively and in real-time, provides the approach to tumor's border before its complete resection. Conclusions: The new US device provides better accuracy than an ultrasonic imaging system; its data is objective; it enables to control the residual tumor thickness during its resection, and it is especially useful in restricted areas. These features were found of great help during a tumor-in-brain surgery and especially in the final stages of tumor's resection.

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Intraoperative Measurement of the Distance from the Bottom of Osteotomy to the Mandibular Canal Using a Novel Ultrasonic Device

Abstract: The results support our previous pilot study and confirm that the tested US device identifies the IAC and measures the distance from the osteotomy to the roof of the mandibular canal.

Cited by 10 publications

References 24 publications

Updates on ultrasound research in implant dentistry: a systematic review of potential clinical indications

Updates on ultrasound research in implant dentistry: a systematic review of potential clinical indications

Intraoperative Spinal Cord Remote Monitoring with a Modified US A-Scope

New US device versus imaging US to assess tumor-in-brain

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