Effects of interimplant distance and cyclic dislodgement on retention of LOCATOR and ball attachments: An in vitro study

Salehi, Reyhane; Shayegh, Sayed Shojaedin; Johnston, William M.; Hakimaneh, Seyed Mohammad Reza

doi:10.1016/j.prosdent.2018.12.023

Cited by 21 publications

(25 citation statements)

References 28 publications

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“…Moreover, it was found that the magnitude of force values measured with ball attachments steadily increased from lateral incisor to molar region in anteroposterior and vertical tests. It was indicated that inter-implant spacing had a significant effect on ball and magnetic attachment systems, with generally higher retention with greater inter-implant spacing (16)(17)(18) .…”

Section: Discussionmentioning

confidence: 99%

“…Based on results from previous studies, it was found that using a standardized cast with 2 implants and those 3 IIDs are enough for conducting the research at power 0.80, confidence interval 0.95 and alpha level. 0.05 (15,16) . According to the implant position, inter-implant distance and type of attachment the three casts were used and divided into six groups.…”

Section: Methodsmentioning

confidence: 99%

“…Therefore, evaluation of the retentive behaviour of the attachment is important at insertion and after one year of use. Furthermore, the effects of attachment type, inter-implant distance, and time on the retention loss still unclear (15,16) .…”

Section: Introductionmentioning

confidence: 99%

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Impact of Ball and Magnetic Attachments and Inter-Implant Distance on Retention of Mandibular Overdenture (An in Vitro Study)

Rahim

Neveen²

2020

ADJ-for Girls

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Purpose: To evaluate the influence of the attachment type and inter-implant distance on the retention of 2-implant retained mandibular overdenture during 12 months of simulated function. Material and Methods: Three transparent acrylic resin casts simulating a completely edentulous mandible were fabricated. The retentive forces (N) of two implant-retained mandibular overdentures were estimated by a universal testing machine. Six groups were computed on three casts; two ball attachments with inter-implant distances (IIDs) 23mm were placed in the canine, 31mm were placed in the premolar and 40mm were placed in the first molar regions respectively and two magnetic attachments were placed on the same 3 IIDs.Mean value and differences between and within groups were calculated were performed using a one-way ANOVA, repeated measure ANOVA, and independent student's t-test, P ≤ 0.05. Results: Significant differences were detected between ball attachments at all IIDs after 12 months of simulated function, P ≤ 0.05, but no significant differences with magnetic attachments, P > 0.05. Statistically significant differences were observed between the ball and magnetic attachments at different IIDs, P = 0.001. The correlation between the attachment type, IIDs and time for both ball and magnetic attachments were significant, P=0.001. Conclusions: The retention of the ball was more than the magnetic attachment. Inter-implant distance influences the retention of both the ball and magnetic attachments. The retention of ball attachment has been influenced by 12 months of simulated function.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Impact of Ball and Magnetic Attachments and Inter-Implant Distance on Retention of Mandibular Overdenture (An in Vitro Study)

Rahim

Neveen²

2020

ADJ-for Girls

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“…For two-implant mandibular overdentures, the ball attachment is most frequently used with profits like less price, simpler pattern, ample retention, and easier maintenance. Nevertheless, retentive nylon insert wear might lead to retention loss after six to nine months (Choi et al, 2017;Salehi et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Even though earlier researches have estimated different attachments' aspects, the possible consequences of various IIDs on attachment retention has infrequently been evaluated. IIDs were disregarded or arbitrarily chosen along those researches (Doukas et al, 2006;Salehi et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Influence of Ball Attachment Diameter and Inter-implant Distance on Retention of Mandibular Overdenture: An in Vitro Study

Mohamed

Essam

Ragab³

2021

Advanced Dental Journal

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Objectives:To assess the effect of three different diameters of ball/ socket attachments and inter-implant distances (IIDs) on the retention of 2 implants as compared with single implant retained mandibular overdentures. Materials and Methods: Four transparent acrylic resin casts simulating a completely edentulous mandible were fabricated. The forces (N) needed to dislodge single and 2 implant retained mandibular overdentures were estimated by a universal testing machine. Four main groups were computed,12 subgroups; a single implant was placed in mid-line area with 3.5mm, 4mm and 4.5mmdiameter ball and socket attachments respectively and 2 implants with IIDs 25mm in the canine, 32mm in 1st premolar and 40mm in 2nd premolar regions connected to 3.5mm, 4mm and 4.5mm diameter ball/socket attachments respectively. Results: Statistically significant differences were found between single implant with ball attachment diameters(3.5mm,4mmand 4.5mm), single implant at (4.5mm) and 2 implants at (3.5 mm) diameters, 2 implants with ball attachment diameters(3.5mm, 4mm and 4.5 mm) at (25mm and 32mm and 40mm) IIDs and (25mm and 32mm and 40mm) IIDs at (3.5mm and 4 mm)ball attachment diameters, P ≤ 0.05, but it was non-significant at 4.5mm ball attachment diameters, P > 0.05.The interactions between IIDs and the diameter of ball/ socket attachments were statistically non significant, P> 0.05. Conclusion: Increasing both ball and socket attachment diameters and the inter-implant distances had positively influenced the retention of mandibular overdenture.

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Mechanical and microstructural analysis of a new model of attachments for overdentures retained by mini-implants obtained by 3D printing with three different polymers

et al. 2023

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Effects of interimplant distance and cyclic dislodgement on retention of LOCATOR and ball attachments: An in vitro study

Cited by 21 publications

References 28 publications

Impact of Ball and Magnetic Attachments and Inter-Implant Distance on Retention of Mandibular Overdenture (An in Vitro Study)

Impact of Ball and Magnetic Attachments and Inter-Implant Distance on Retention of Mandibular Overdenture (An in Vitro Study)

Influence of Ball Attachment Diameter and Inter-implant Distance on Retention of Mandibular Overdenture: An in Vitro Study

Mechanical and microstructural analysis of a new model of attachments for overdentures retained by mini-implants obtained by 3D printing with three different polymers

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