OT-Equator® Attachments Comparison for Retaining an Early Loaded Implant Overdenture on Two or Three Implants: 1 Year RCT Preliminary Data

Tallarico, Marco; Cervino, Gabriele; Montanari, Marco; Scrascia, Roberto; Ferrari, Emiliano; Casucci, Alessio; Xhanari, Erta; Lupi, Saturnino Marco; Meloni, Silvio Mario; Ceruso, Francesco Mattia; Baena, Ruggero Rodriguez y; Cicciù, Marco

doi:10.3390/app11188601

Cited by 3 publications

(3 citation statements)

References 13 publications

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“…This condition allows patients to avoid and considerably limit the number of implants necessary for the retention of the prosthesis, a favorable condition in light of the levels of greater tissue inflammation resulting from implant placement, and increase the inter-implant distance, a favorable condition for implant survival [12][13][14][15]. In addition to the reduced number of implants that can be used in this type of rehabilitation, it is also necessary to consider the type of attachments used in this study and the different alternatives findable in the market that certainly offer different biomechanical solutions [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Implant Survival Rate and Prosthetic Complications of OT Equator Retained Maxillary Overdenture: A Cohort Study

et al. 2022

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(1) Background: The overdenture is a complete denture, an implant-supported prosthesis, that the patient can remove at home for the usual oral hygiene procedures, thanks to a simple and intuitive anchoring system. Clinically, the execution of this rehabilitation for the lower arch is often favored, but when it is necessary to limit the extension of the palate in the upper arch, it can represent the least invasive and economic solution. The aim of the study is to analyze post-loading implant loss for implant-supported prostheses in the edentulous upper jaw. (2) Methods: This retrospective study was carried out on patients who received a superior overdenture on four implants for rehabilitation. A total of 42 patients were included in this study and initially evaluated clinically and radiographically. The follow-up period for patients after delivery of the upper overdenture is between 48 and 72 months. A total of 168 implants were inserted and monitored in this period. Clinical and radiographic tests were carried out on all 168 implants, with constant re-evaluation. (3) Results: The overall implant survival rate is 92.9%, a value that corresponds to those present in the literature in previously published studies. There were few prosthetic complications, mainly the detachment of anterior prosthetic teeth. (4) Conclusions: Most of these complete prostheses, which as antagonist had another previously made overdenture on four or on two implants, achieved excellent success rates in this study at 72 months.

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Section: Introductionmentioning

confidence: 99%

Implant Survival Rate and Prosthetic Complications of OT Equator Retained Maxillary Overdenture: A Cohort Study

et al. 2022

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“…Further investigation should be conducted to evaluate the performance of attachment systems in case of the immediate loading procedure [21], also assessing risks and benefts, including patients' satisfaction. Another study [22] presents a randomised controlled trial comparing the outcomes of two-implant-and three-implant-supported overdentures for edentulous mandibles. Te study evaluated implant and prosthetic success rates, complications, marginal bone loss, patient satisfaction, and peri-implant tissue health.…”

Section: Successmentioning

confidence: 99%

One-Year Multicenter Randomised Controlled Trial Comparing OT Equator® and Locator Attachments to Retain an Early Loaded Implant Overdenture on Two Implants

Tallarico

Fiorillo

Montanari

et al. 2023

International Journal of Biomaterials

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This investigation aimed to compare the effectiveness of the OT Equator® (Rhein, Bologna, Italy) and the Locator attachment systems used to retain early loaded implant-retained overdentures. This study was designed as a multicenter randomised controlled trial of parallel groups. After implant placement, the patients were randomised to receive OT Equator® attachments in the test group or Locator attachments in the control group. The outcome measures were implant and prosthetic success and survival rates, any biological and technical complication, marginal bone loss, patients’ satisfaction, and periodontal parameters. Overall, 42 patients were consecutively enrolled and treated. One implant was lost in the control group, while no implants were lost in the test group. No prostheses failed in both groups. Only a few complications were experienced in both groups. The main was represented by loss of retention of the attachments (retentive caps). The OT Equator® attachment showed statistically lower periodontal parameters. In conclusion, both attachment systems were suitable for overdenture implant retention.

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“…Solitary and bar-type attachments are available for dental implant overdentures [ 19 ]. Solitary attachments, such as balls, magnets, locators, and OT Equators, are easier to maintain and can be used in limited inter-arch spaces, while bars provide more stability to overdentures [ 20 , 21 ]. Usually, each attachment system has two components, one is embedded within the denture base while the other is screwed to the implant [ 22 ].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties Evaluation of Three Different Materials for Implant Supported Overdenture: An In-Vitro Study

et al. 2022

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Aim: the aim of this study was to compare the flexural strength and elastic modulus of three-dimensionally (3D) printed, conventional heat-cured, and high-impact implant-supported overdenture materials specimens. Materials and Methods: Thirty implant-supported overdenture materials specimens (bar-shaped, 65.0 × 10.2 × 5.1 ± 0.2 mm3) with one central hole were fabricated using 3D-printed, heat-cured conventional, and high-impact denture base resins (n = 10/group). Autopolymerizing acrylic resin was used to attach titanium matrix housings to the central holes of the specimens. A three-point bending test was conducted using a universal testing machine and a model analog with a crosshead speed of 5 mm/min. The indicative flexural strength and elastic modulus were recorded. Data were statistically analyzed using analysis of variance (ANOVA) and the Tukey tests at α = 0.05. Results: One-way ANOVA revealed a significant effect of denture base material on the flexural strength (p < 0.001) but not on the elastic modulus (p = 0.451) of the evaluated materials. The flexural strength of the 3D-printed specimens (95.99 ± 9.87 MPa) was significantly higher than the conventional (77.18 ± 9.69 MPa; p < 0.001) and high-impact ones (82.74 ± 7.73 MPa; p = 0.002). Conclusions: The maximum flexural strength was observed in the 3D-printed implant-supported overdenture material specimens, which might indicate their suitability as an alternative to the conventionally fabricated ones. Flexural strength and elastic modulus of conventional and high-impact heat-cured implant-supported overdenture materials specimens were comparable.

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OT-Equator® Attachments Comparison for Retaining an Early Loaded Implant Overdenture on Two or Three Implants: 1 Year RCT Preliminary Data

Cited by 3 publications

References 13 publications

Implant Survival Rate and Prosthetic Complications of OT Equator Retained Maxillary Overdenture: A Cohort Study

Implant Survival Rate and Prosthetic Complications of OT Equator Retained Maxillary Overdenture: A Cohort Study

One-Year Multicenter Randomised Controlled Trial Comparing OT Equator® and Locator Attachments to Retain an Early Loaded Implant Overdenture on Two Implants

Mechanical Properties Evaluation of Three Different Materials for Implant Supported Overdenture: An In-Vitro Study

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