Computed tomography and anatomical measurements of critical sites for endosseous implants in the pterygomaxillary region: a cadaveric study

Uchida, Yasufumi; Yamashita, Yoshio; Danjo, Atsushi; Shibata, K.; Kuraoka, Akio

doi:10.1016/j.ijom.2017.02.003

Cited by 17 publications

(8 citation statements)

References 10 publications

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“…The "Da Vinci bridge" is a concept suggested in this paper to identify the placement of two to four implants in the frontal area between the two anterior maxillary sinus walls and two implants in the pterygoid process area [24][25][26][27][28][29][30].…”

Section: Study Population/demographicsmentioning

confidence: 99%

“…Inserting a pterygoid implant with DCAI allows several advantages [24][25][26][27][28][29][30]: Decreasing of costs (patient and dentist).…”

Section: Introductionmentioning

confidence: 99%

“…Notwithstanding the use of pterygoid implant is a reasonable option, this technique has not been widely used because of the difficulty of surgical access in this area (insertion of a long implant with a semi-blinded surgery made free-hand), the presence of vital structures (greater palatine artery and pterygomaxillary fossa), and the prosthetic difficulty in the short-(tilted implants in a limited vertical space of this region) and long-term (owing to high occlusal masticatory stresses in this area that could end in prosthesis or screw fractures) [24][25][26][27][28][29][30].…”

Section: Introductionmentioning

confidence: 99%

“…For the above mentioned reasons, the accurate placement of pterygoid implants (13-20 mm of implant length) using free-hand techniques becomes incredibly difficult compared with the other proposed techniques for the rehabilitations of atrophic edentulous maxilla [26][27][28][29][30].…”

Section: Introductionmentioning

confidence: 99%

“…Inserting a pterygoid implant with DCAI allows several advantages [ 24 , 25 , 26 , 27 , 28 , 29 , 30 ]: Minimally invasive (no bone grafting) approach; Avoid posterior prosthetic cantilevers; Predictability; Shorter period of treatment; Stable during the time; Immediate loading is possible; Decreasing of costs (patient and dentist). …”

Section: Introductionmentioning

confidence: 99%

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Accuracy Evaluation of 14 Maxillary Full Arch Implant Treatments Performed with Da Vinci Bridge: A Case Series

et al. 2020

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The use of pterygoid implants can be an attractive alternative to sinus bone grafting in the treatment of posterior atrophic maxilla. This technique has not been widely used because of the difficulty of the surgical access, the presence of vital structures, and the prosthetic challenges. The use of dynamic computer aided implantology (DCAI) allows the clinician to utilize navigation dental implant surgery, which allows the surgeon to follow the osteotomy site and implant positioning in real time. A total of 14 patients (28 pterygoid implants and 56 intersinusal implants) were enrolled in the study for a full arch implant prosthetic rehabilitation (4 frontal implants and 2 pterygoids implants), using a dynamic navigation system. The reported accuracy of pterygoid implants inserted using DCAI was 0.72 mm at coronal point, 1.25 mm at apical 3D, 0.66 mm at apical depth, and 2.86° as angular deviation. The use of pterygoid implants in lieu of bone grafting represents a valid treatment opportunity to carry out a safe, accurate, and minimally invasive surgery, while reducing treatment time and avoiding cantilevers for a full implant prosthetic rehabilitation of the upper arch.

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