Surgical complications in zygomatic implants: A systematic review

Molinero‐Mourelle, Pedro; Laura, Baca-Gonzalez; Gao, Baoluo; Sáez-Alcaide, Luis-Miguel; Helm, Alexandra; López-Quiles, Juan

doi:10.4317/medoral.21357

Cited by 35 publications

(46 citation statements)

References 19 publications

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“…In this context, contact and implant-bone are referred to as BIC (bone-implant-contact) and is correlated with implant survival [11][12][13]. An important variable that alters the zygomatic BIC is the angle at which the implant is placed [14].…”

Section: Development and Discussionmentioning

confidence: 99%

The Scientific Context of Zygomatic Implant in Bone Loss: A Review.

García¹

2019

IJAR

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Zygomatic Implant. Bone loss. Dental implant. Quality of life. Introduction: The lack of bone in the alveolar ridge represents a major problem in aesthetic recovery in patients who suffered dentoalveolar traumas, traumatic extractions, congenital absence of tooth involvement involving the maxilla and mandible, infections due to emotional consequences and the possibility of deformity. Thus, the zygomatic implant (ZI) is an alternative when there is bone loss. Objective: to present the main considerations of the zygomatic implant in the context of bone loss, as well as to point out its main functions in the aesthetic and functional recovery of the patients' masticatory process and gain in the quality of life. Methods: The present study followed a model of literary review presenting and discussing case series, prospective, retrospective, randomized, double-blind, placebo-controlled trials in humans with a publication time of the last ten years were selected and analyzed. Major findings: In the bone loss scenario, zygomatic (ZI) implant, although it may also have complications and risks, is a strong alternative to achieve success in the dental implant process in patients with significant bone loss. The amount of zygomatic bone is intrinsic to each patient. Predictors of tooth loss such as caries, periodontal disease or trauma are the protagonists of bone resorption, leading to complex fitting problems. The studies of ZI placed in patients with severely atrophic and resected maxilla confirm that this approach is a predictable method to support fixed or removable prostheses up to 18 years, demonstrating high survival rates. Therefore, zygomatic implants present a high survival rate accumulated in 12 years, with most failures occurring in the initial stages postoperatively. Conclusion: The present study confirmed that the ZI presents efficacy and safety for the functional and aesthetic treatment of the patients, as well as it makes possible an important gain in the quality of life.

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Section: Development and Discussionmentioning

confidence: 99%

The Scientific Context of Zygomatic Implant in Bone Loss: A Review.

García¹

2019

IJAR

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“…Since the zygomatic nerve projects to the skin around the zygomaticotemporal area, sensitivity disorder of the malar skin might happen. Some authors have reviewed the complications of zygomatic implantation [ 22 , 23 ]. The damage of zygomaticofacial nerves could occur during clinical procedure of implant placement.…”

Section: Discussionmentioning

confidence: 99%

An Anatomical Study of Maxillary-Zygomatic Complex Using Three-Dimensional Computerized Tomography-Based Zygomatic Implantation

Zhao

Liu

et al. 2017

BioMed Research International

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Objective To obtain anatomical data of maxillary-zygomatic complex based on simulating the zygomatic implantation using cadaver heads and three-dimensional computerized tomography (3D-CT). Methods Simulating zygomatic implantation was performed using seven cadaver heads and 3D-CT images from forty-eight adults. After measuring the maxillary-zygomatic complex, we analyzed the position between the implantation path and the maxillary sinus cavity as well as the distance between the implantation path and the zygomatic nerve. Results The distance from the starting point to the endpoint of the implant was 56.85 ± 5.35 mm in cadaver heads and 58.15 ± 7.37 mm in 3D-CT images. For the most common implantation path (80.20%), the implant went through the maxillary sinus cavity completely. The projecting points of the implant axis (IA) on the surface of zygoma were mainly located in the region of frontal process of zygomatic bone close to the lateral orbital wall. The distances between IA and zygomatic nerve in 53 sides were shorter than 2 mm. Conclusion The simulating zygomatic implantation on cadaver skulls and 3D-CT imaging provided useful anatomical data of the maxillary-zygomatic complex. It is necessary to take care to avoid the zygomatic nerve injury during implantation, because it frequently appears on the route of implantation.

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“…SRs were carried out in 5 countries: one in USA [44], two in Sweden [15,45], one in Brazil [46], three in Spain [47,48], and one study was a carried out in USA, Spain, and China [49]. All reviews searched PubMed/MED-LINE [15,[44][45][46][47][48][49], two Embase [46,48], two Cochrane Oral Health Group Trials Register [15,48], one Cochrane Central register of Controlled trials [48], one Cochrane Library databases [46], and one searched Web of Science [15]. Three SRs did not report number of patients and/or ZIs [44,46,47].…”

Section: Studies Characteristicsmentioning

confidence: 99%

“…All reviews searched PubMed/MED-LINE [15,[44][45][46][47][48][49], two Embase [46,48], two Cochrane Oral Health Group Trials Register [15,48], one Cochrane Central register of Controlled trials [48], one Cochrane Library databases [46], and one searched Web of Science [15]. Three SRs did not report number of patients and/or ZIs [44,46,47]. Five SRs showed reported explicit adherence to PRISMA guidelines [15,45,46,48,49].…”

Section: Studies Characteristicsmentioning

confidence: 99%

Zygomatic implants placed in atrophic maxilla: an overview of current systematic reviews and meta-analysis

Ramezanzade

Yates

Tuminelli

et al. 2021

Maxillofac Plast Reconstr Surg

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Background Zygomatic implants are a treatment option for severely atrophic maxilla. Main text This study aimed to summarize and evaluate systematic reviews assessing the clinical outcomes of zygomatic implants including survival/failure rate and complications. PubMed-MEDLINE, Google Scholar, LILACS, and the Cochrane Database were searched up to April 2020. Risk of bias assessment was conducted by the AMSTAR tool. Initial searches yielded 175 studies. These were assessed, and following title abstract and full-text evaluation, 7 studies (2 meta-analyses) were included in the final review. According to the AMSTAR tool, 1 was deemed high quality, 4 were classified as medium, and 2 as low quality. The mean AMSTAR score (±SD) was 5.28 of 9 (±2.36) ranging from 2/9 to 9/9. The reported survival rates ranged from 95.2 to 100% except for resected maxillas, which established higher failure rates up to 21.43%. Concerning the complications with the zygomatic implants, various surgical and prosthetic complications were reported with sinusitis being the most frequently observed complication. Zygomatic implants appears to offer a promising alternative to formal bone grafting techniques with lower costs, less complications, less morbidity, shorter treatment times, and comparably high survival rates. Conclusion Complications were rare and usually easy to manage. However, the treatment should be directed by appropriately trained clinicians with noticeable surgical experience.

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Surgical complications in zygomatic implants: A systematic review

Cited by 35 publications

References 19 publications

The Scientific Context of Zygomatic Implant in Bone Loss: A Review.

The Scientific Context of Zygomatic Implant in Bone Loss: A Review.

An Anatomical Study of Maxillary-Zygomatic Complex Using Three-Dimensional Computerized Tomography-Based Zygomatic Implantation

Zygomatic implants placed in atrophic maxilla: an overview of current systematic reviews and meta-analysis

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