Skip to main content
Key Specialties
Cardiology Diabetology Endocrinology Gastroenterology Geriatrics and Gerontology Gynecology and Obstetrics Hematology Infectious Disease Internal Medicine Nephrology Neurology Oncology Pediatrics Respiratory Medicine Rheumatology Surgery
Congress Coverage
2024 ACC Congress 2023 ESMO Congress 2023 EASD Congress 2023 ERS Congress 2023 ESC Congress 2023 EHA Congress 2023 ASCO Annual Meeting
Clinical Collections
Advances in Alzheimer’s

At a glance: The ONWARDS insulin icodec trials

A round-up of the ONWARDS phase 3 clinical trials evaluating the novel weekly insulin icodec in people with diabetes.
ADVANCED SEARCH
Log in
Top
International Journal of Implant Dentistry
Published in: International Journal of Implant Dentistry 1/2018

Open Access 01-12-2018 | Research

The influence of implant–abutment connection on the screw loosening and microleakage

Authors: Katsuhiro Tsuruta, Yasunori Ayukawa, Tatsuya Matsuzaki, Masafumi Kihara, Kiyoshi Koyano

Published in: International Journal of Implant Dentistry | Issue 1/2018

Login to get access

Abstract

Background

There are some spaces between abutment and implant body which can be a reservoir of toxic substance, and they can penetrate into subgingival space from microgap at the implant–abutment interface. This penetration may cause periimplantitis which is known to be one of the most important factors associated with late failure. In the present study, three kinds of abutment connection system, external parallel connection (EP), internal parallel connection (IP), and internal conical connection (CC), were studied from the viewpoint of microleakage from the gap between the implant and the abutment and in connection with the loosening of abutment screw.

Methods

We observed dye leakage from abutment screw hole to outside through microgap under the excessive compressive and tensile load and evaluated the anti-leakage characteristics of these connection systems.

Results

During the experiment, one abutment screw for EP and two screws for IP, out of seven samples in each group, were fractured. After the 2000 cycles of compressive tensile loadings, removal torque value (RTV) of abutment screw represented no statistical differences among three groups. Standard deviation was largest in the RTV of EP and smallest in that of CC. The results of microleakage of toluidine blue from implant–abutment connection indicated that microleakage generally increased as loading procedure progressed.
The amount of microleakage was almost plateau at 2000 cycles in CC, but still increasing in other two groups. The value of microleakage greatly scattered in EP, but the deviation of that in CC is significantly smaller. At 500 cycles of loading, there were no significant differences in the amount of microleakage among the groups, but at 1000, 1500, and 2000 cycles of loading, the amount of microleakage in CC was significantly smaller than that in IP. Throughout the experiment, the amount of microleakage in EP was largest, but no statistical difference was indicated due to the high standard deviation.

Conclusions

Within the limitation of the present study, CC was stable even after the loading in the RTV of abutment screw and it prevented microleakage from the microgap between the implant body and the abutment, among the three tested connections.
Literature
1.
Sakka S, Baroudi K, Nassani MZ. Factors associated with early and late failure of dental implants. J Investig Clin Dent. 2012;3:258–61.CrossRefPubMed
2.
Tallarico M, Canullo L, Caneva M, Ozcan M. Microbial colonization at the implant-abutment interface and its possible influence on periimplantitis: a systematic review and meta-analysis. J Prosthodont Res. 2017;61:233–41.CrossRefPubMed
3.
Sasada Y, Cochran DL. Implant-abutment connections: a review of biologic consequences and peri-implantitis implications. Int J Oral Maxillofac Implants. 2017;32:1296–307.CrossRefPubMed
4.
Liu Y, Wang J. Influences of microgap and micromotion of implant-abutment interface on marginal bone loss around implant neck. Arch Oral Biol. 2017;83:153–60.CrossRefPubMed
5.
da Silva-Neto JP, Prudente MS, Dantas TS, Senna PM, Ribeiro RF, das Neves FD. Microleakage at different implant-abutment connections under unloaded and loaded conditions. Implant Dent. 2017;26:388–92.CrossRefPubMed
6.
Aloise JP, Curcio R, Laporta MZ, Rossi L, da Silva AM, Rapoport A. Microbial leakage through the implant-abutment interface of Morse taper implants in vitro. Clin Oral Implants Res. 2010;21:328–35.CrossRefPubMed
7.
Dibart S, Warbington M, Su MF, Skobe Z. In vitro evaluation of the implant-abutment bacterial seal: the locking taper system. Int J Oral Maxillofac Implants. 2005;20:732–7.PubMed
8.
Silva-Neto JP, Prudente MS, Carneiro Tde A, Nobilo MA, Penatti MP, Neves FD. Micro-leakage at the implant-abutment interface with different tightening torques in vitro. J Appl Oral Sci. 2012;20:581–7.CrossRefPubMedPubMedCentral
9.
do Nascimento C, Barbosa RE, Issa JP, Watanabe E, Ito IY, de Albuquerque Junior RF. Use of checkerboard DNA-DNA hybridization to evaluate the internal contamination of dental implants and comparison of bacterial leakage with cast or pre-machined abutments. Clin Oral Implants Res. 2009;20:571–7.CrossRefPubMed
10.
Piattelli A, Scarano A, Paolantonio M, Assenza B, Leghissa GC, Di Bonaventura G, et al. Fluids and microbial penetration in the internal part of cement-retained versus screw-retained implant-abutment connections. J Periodontol. 2001;72:1146–50.CrossRefPubMed
11.
Schmitt CM, Nogueira-Filho G, Tenenbaum HC, Lai JY, Brito C, Doring H, et al. Performance of conical abutment (Morse Taper) connection implants: a systematic review. J Biomed Mater Res A. 2014;102:552–74.CrossRefPubMed
12.
Egol KA, Kubiak EN, Fulkerson E, Kummer FJ, Koval KJ. Biomechanics of locked plates and screws. J Orthop Trauma. 2004;18:488–93.CrossRefPubMed
13.
Tsuge T, Hagiwara Y, Matsumura H. Marginal fit and microgaps of implant-abutment interface with internal anti-rotation configuration. Dent Mater J. 2008;27:29–34.CrossRefPubMed
14.
Scarano A, Valbonetti L, Degidi M, Pecci R, Piattelli A, de Oliveira PS, et al. Implant-abutment contact surfaces and microgap measurements of different implant connections under 3-dimensional X-ray microtomography. Implant Dent. 2016;25:656–62.CrossRefPubMed
15.
Harder S, Dimaczek B, Acil Y, Terheyden H, Freitag-Wolf S, Kern M. Molecular leakage at implant-abutment connection—in vitro investigation of tightness of internal conical implant-abutment connections against endotoxin penetration. Clin Oral Investig. 2010;14:427–32.CrossRefPubMed
16.
Harder S, Quabius ES, Ossenkop L, Kern M. Assessment of lipopolysaccharide microleakage at conical implant-abutment connections. Clin Oral Investig. 2012;16:1377–84.CrossRefPubMed
17.
Britton-Vidal E, Baker P, Mettenburg D, Pannu DS, Looney SW, Londono J, et al. Accuracy and precision of as-received implant torque wrenches. J Prosthet Dent. 2014;112:811–6.CrossRefPubMed
18.
Neugebauer J, Petermoller S, Scheer M, Happe A, Faber FJ, Zoeller JE. Comparison of design and torque measurements of various manual wrenches. Int J Oral Maxillofac Implants. 2015;30:526–33.CrossRefPubMed
19.
Stroosnijder E, Gresnigt MM, Meisberger EW, Cune MS. Loss of accuracy of torque wrenches due to clinical use and cleaning procedure: short communication. Int J Prosthodont. 2016;29:253–5.CrossRefPubMed
Metadata
Title
The influence of implant–abutment connection on the screw loosening and microleakage
Authors
Katsuhiro Tsuruta
Yasunori Ayukawa
Tatsuya Matsuzaki
Masafumi Kihara
Kiyoshi Koyano
Publication date
01-12-2018
Publisher
Springer Berlin Heidelberg
Published in
International Journal of Implant Dentistry / Issue 1/2018
Electronic ISSN: 2198-4034
DOI
https://doi.org/10.1186/s40729-018-0121-y

Other articles of this Issue 1/2018

International Journal of Implant Dentistry 1/2018 Go to the issue

Review

Is antral membrane balloon elevation truly minimally invasive technique in sinus floor elevation surgery? A systematic review

Review

The effect of non-steroidal anti-inflammatory drugs on the osteogenic activity in osseointegration: a systematic review

Research

Retrospective cohort study of a tapered implant with high primary stability in patients with local and systemic risk factors—7-year data

Research

Significance of mandibular molar replacement with a dental implant: a theoretical study with nonlinear finite element analysis

Research

Spectrophotometric determination of platelet counts in platelet-rich plasma

Research

Direct activation of platelets by addition of CaCl2 leads coagulation of platelet-rich plasma