Influence of Liquid Lubrication on the Screw‐Joint Stability of Y‐TZP Implant Abutment Systems

Basílio, Mariana de Almeida; Abi‐Rached, Filipe de Oliveira; Butignon, Luís Eduardo; Filho, João Neudenir Arioli

doi:10.1111/jopr.12456

Cited by 5 publications

(7 citation statements)

References 13 publications

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“…By the result, researchers found that calibrated torquing devices are mandatory as the abutment should not be over tightened or under tightened to avoid misfiting of the implant abutment complex [Table 4]. [2321253445]…”

Section: Torque Methodsmentioning

confidence: 99%

Systematic analysis of factors that cause loss of preload in dental implants

Nithyapriya

Kirubakaran

et al. 2018

J Indian Prosthodont Soc

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Section: Torque Methodsmentioning

confidence: 99%

Systematic analysis of factors that cause loss of preload in dental implants

Nithyapriya

Kirubakaran

et al. 2018

J Indian Prosthodont Soc

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“…There are no studies exploring the influence of Gapseal® gel on the stability of abutment. Vaseline has been explored as lubricant in implant systems …”

Section: Methodsmentioning

confidence: 99%

“…Vaseline has been explored as lubricant in implant systems. 18 Furthermore, the removal torque of abutments was also be examined after these assembled implants and abutments of six groups being immersed in PBS solution at 37 C for 14 days, because the microgap between implant and abutment was surrounded by the gingival crevicular fluid which might have an affect on the function of the material in the microgap when they were in the oral cavity. The groups used in our experiment.…”

Section: Removal Torque Testmentioning

confidence: 99%

“…An effective method to increase preload is decreasing the friction . Thus, liquid or solid lubricant has been utilized to decrease the friction so that the preload and stability of abutment should be improved . However, it is also detrimental for the stability of abutment if the friction is too low.…”

Section: Introductionmentioning

confidence: 99%

“…16 Thus, liquid or solid lubricant has been utilized to decrease the friction so that the preload and stability of abutment should be improved. 17,18 However, it is also detrimental for the stability of abutment if the friction is too low. For example, the abutment with Teflon coating is less stable than the non-coated abutment when external load is exerted on the abutments as a result of a too low friction induced by the Teflon coating.…”

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confidence: 99%

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A thermosensitive chitosan‐based hydrogel for sealing and lubricating purposes in dental implant system

Cao

Cai

Chen

et al. 2019

Clin Implant Dent Rel Res

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Background Mechanical and biological complications associated with implant systems happen frequently in the clinic. Purpose To develop a chitosan (CS)‐based thermosensitive hydrogel for sealing and lubricating purposes in dental implant system. Materials and Methods In this study, a thermosensitive hydrogel made up of CS, β‐glycerophosphate pentahydrate (β‐GP), and povidone‐iodine (PVP‐I), called CS/β‐GP/PVP‐I thermosensitive hydrogel, was fabricated. Three experimental groups with different volume ratios of CS to β‐GP were prepared, namely 16/4, 13/7, and 10/10 groups. The surface topography of the different groups and their physicochemical characteristics were examined by SEM, FTIR, and X‐ray diffraction analysis. The cytotoxicity of the hydrogel was examined by CCK‐8 test. In vitro antibacterial efficiency was analyzed by the spread plate method. Sealing ability was detected by incubating two‐piece implants in Escherichia coli suspension. Lubricating ability of the hydrogel was evaluated by the removal torque test with a calibrated digital torque meter. Results The CS/β‐GP/PVP‐I thermosensitive hydrogel was fabricated and showed a highly porous structure under SEM. An in vitro cytotoxicity test demonstrated that 13/7 group displayed no cytotoxicity. Furthermore, all three groups showed obviously antibacterial effects. In the sealing ability test, 16/4 group showed the best sealing ability. The removal torque of 16/4 group and 13/7 group was significantly greater than control group. Conclusions Based on our findings, it could be concluded that the thermosensitive and antibacterial CS/β‐GP/PVP‐I hydrogel with sealing and lubricating ability was successfully prepared. The hydrogel had better sealing and lubricating effects when the volume ratio of CS to β‐GP was 16/4.

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