A digital technique for fabricating an interim implant-supported fixed prosthesis immediately after implant placement in patients with complete edentulism

Oh, Jung Hyub; An, Xueyin; Jeong, Seung Mi; Choi, Byung Ho

doi:10.1016/j.prosdent.2018.03.030

Cited by 14 publications

(7 citation statements)

References 21 publications

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“…Furthermore, this is the first report of a case using two surgical guides attached by magnets. As observed herein, magnetic attachment led to easy positioning (due to the force of attraction field between magnets) and enhanced stability of the implant surgical guide, which is desirable and clinically relevant to achieve success in full‐arch image‐guided implant surgeries 13 …”

Section: Discussionmentioning

confidence: 57%

“…As observed herein, magnetic attachment led to easy positioning (due to the force of attraction field between magnets) and enhanced stability of the implant surgical guide, which is desirable and clinically relevant to achieve success in full-arch image-guided implant surgeries. 13 One drawback of the present approach is the slightly increased cost of treatment, due to application of magnets. Moreover, since magnetic attachments must be digitally designed, CAD knowledge and more time are required for treatment planning.…”

Section: Discussionmentioning

confidence: 98%

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Fully Digital Workflow with Magnetically Connected Guides for Full‐Arch Implant Rehabilitation Following Guided Alveolar Ridge Reduction

Costa¹,

Neto²,

Burgoa³

et al. 2020

Journal of Prosthodontics

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This technique report describes a fully digital workflow in which two surgical guides (i.e. one for alveolar bone reduction and the other for implant placement) are magnetically connected to ensure stability during full‐arch implant surgery following guided bone reduction. Digital prosthesis design as well as virtual bone reduction and implant planning are developed from the superimposition of facial, intraoral and CBCT scans. With this technique, different surgical guides and interim poly(methylmethacrylate) (PMMA) fixed prosthesis are precisely connected with magnets after being digitally designed and 3D‐printed. As a result, such magnetic connection allows for satisfactory stability of the implant surgical guide, as well as of the interim fixed PMMA fixed prosthesis during capture of screw‐retained abutments.

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Section: Discussionmentioning

confidence: 57%

Section: Discussionmentioning

confidence: 98%

Fully Digital Workflow with Magnetically Connected Guides for Full‐Arch Implant Rehabilitation Following Guided Alveolar Ridge Reduction

Costa¹,

Neto²,

Burgoa³

et al. 2020

Journal of Prosthodontics

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“…The most critical steps of the denture conversion process were the creation of appropriate access holes to prevent displacement of the denture by the temporary cylinders and removal of the denture flanges to facilitate both good esthetics and accessibility for oral hygiene. Oh et al 45 reported on a digital technique for designing and fabricating a temporary FDP featured with cylinder access holes and denture flange parts easy to be cut off, to be used to reposition in the mouth the prosthesis in the digitally planned position. However, the main limitation of this technique was related to the bearing area of the denture flange that can only drive the temporary FDP in position when a flapless surgical procedure is performed.…”

Section: Discussionmentioning

confidence: 99%

Dynamic navigation guided surgery and prosthetics for immediate loading of complete‐arch restoration

Pozzi

Hansson²,

Carosi

et al. 2021

J Esthet Restor Dent

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Objective To assess clinical and radiological performance of novel digital workflow integrating dynamic guided surgery, to streamline execution of implant placement, soft and bone tissue sculpturing, and immediate delivery of navigation guided complete‐arch prosthesis. Materials and Methods This proof of concept prospective single cohort study investigated 10 consecutive patients (three males, seven females; mean age 62.5 ± 8.9 years; range, 48–75) requiring at least one complete‐arch fixed dental prostheses (FDP) in both jaws, treated between January and August 2019. Primary outcomes were implant and prosthetic success rates, surgical and prosthetic complications. Secondary outcomes were marginal bone loss (MBL), implant stability quotient (ISQ), periodontal parameters (plaque and bleeding indexes). Results Sixty implants (32 NobelParallel TiUltra and 28 NobelActive TiUltra, Nobel Biocare) were placed and 14 complete‐arch FDPs immediately loaded (mean follow‐up 16.2 ± 1.7 months, 14–18). One implant failed and was immediately replaced. No other surgical or biological complications occurred, accounting for a cumulative success rate of 98.3%. No prosthetic complication occurred, leading to 100% prosthetic success rate. Mean ISQ at implant placement was 71 ± 2.8 (65–78). The mean MBL was −0.53 ± 0.28 mm (−0.22 to −1.12 mm). Plaque and bleeding scores were 14.4 ± 8.18 and 7.15 ± 4.4, respectively. Conclusion Within the limitations of this proof‐of‐concept dynamic navigation was effective to deliver in the planned coordinates both implants and prosthesis and guide bone and soft tissue sculpturing. Immediate loading of digitally prefabricated esthetically driven complete‐arch FDP was facilitated, resulting in high implant and prosthetic success rates. Clinical Significance The investigated digital workflow integrating dynamic navigation may overcome the difficulties related to immediate positioning and loading of digitally prefabricated complete‐arch FDP. The navigation guided soft and bone tissues sculpturing, associated to xenogeneic collagen matrix grafting, represented a predictable technique to achieve the digitally planned interface, reestablishing the mucosal dimension required for the protection of underlying bone while maintaining tissue health.

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“…With advances in all aspects of digital techniques, precise preoperative planning for implant surgery and prefabricated implant-supported provisional prosthesis has become feasible [ 10 ]. Prefabricated prostheses can better achieve esthetic and functional outcomes at the time of surgery [ 11 , 12 ]. Data obtained using cone-beam computerized tomography (CBCT) can be imported into implant planning software programs to analyze the surrounding vital anatomic structures to determine the ideal implant locations [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

Digitally prefabricated versus conventionally fabricated implant-supported full-arch provisional prosthesis: a retrospective cohort study

2022

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Background To evaluate and compare the clinical outcomes of digitally prefabricated and conventionally fabricated implant-supported full-arch provisional prostheses. Methods In this retrospective study, a total of 39 patients (22 males and 17 females) who underwent implant-supported full-arch rehabilitation using the All-on-4 concept with an immediate loading protocol were included: 20 patients treated with digitally prefabricated provisional prostheses were assigned into Group A, and 19 patients treated with conventionally fabricated provisional prostheses were assigned into Group B. Implant/provisional prosthesis survival rates and complications were reviewed. Marginal bone loss (MBL) was investigated by CBCT. Surgical time, restorative time, and total operative time were analyzed. Postoperative pain and swelling were evaluated with the visual analog scale (VAS). The oral health impact profile (OHIP) questionnaire was administered before and after surgery. Results The implant/provisional prosthesis survival rate was 100%, and complications appeared with low frequency in both groups, while the mean MBL was 0.30 ± 0.29 mm in Group A and 0.31 ± 0.41 mm in Group B after 3~ 6 months (P > 0.05). The average restorative time in Group A (116.16 ± 16.61 min) was significantly shorter than that in Group B (242.11 ± 30.14 min) (P < 0.05). Patients in Group A showed lower pain/swelling VAS scores after surgery than Group B (P < 0.05). Low OHIP scores with high satisfaction with the overall effects were shown in both groups. Conclusion Prefabricated prostheses reduced the prosthetic time and postoperative discomfort in patients whose immediate rehabilitation was based on the All-on-4 concept. This prefabrication technology may be a predictable alternative to improve the short-term clinical outcome of implant-supported full-arch provisional rehabilitation.

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A digital technique for fabricating an interim implant-supported fixed prosthesis immediately after implant placement in patients with complete edentulism

Cited by 14 publications

References 21 publications

Fully Digital Workflow with Magnetically Connected Guides for Full‐Arch Implant Rehabilitation Following Guided Alveolar Ridge Reduction

Fully Digital Workflow with Magnetically Connected Guides for Full‐Arch Implant Rehabilitation Following Guided Alveolar Ridge Reduction

Dynamic navigation guided surgery and prosthetics for immediate loading of complete‐arch restoration

Digitally prefabricated versus conventionally fabricated implant-supported full-arch provisional prosthesis: a retrospective cohort study

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