Fig. 6. Cumulative survival rate of complication-free prostheses by a gender (p = 0.1220) and b type of prostheses (p
Fig. 5. Kaplan-Meier cumulative survival rate of complication-free prostheses at 10, 15, and 25 years after the prosthesis setting
Fig. 5. Kaplan-Meier cumulative survival rate of complication-free prostheses at 10, 15, and 25 years after the prosthesis setting
Fig. 4. Cumulative incidence of peri-implantitis by a gender (p = 0.0221), b implant type (p = 0.0128), c implant position (p = 0.2470), d presence of additional soft tissue management (p = 0.2488), and e width of keratinized mucosa around implant (p = 0.0045). Log rank test was used for assessing statistical significance
Fig. 4. Cumulative incidence of peri-implantitis by a gender ...
Fig. 3. Cumulative incidence of peri-implantitis
Fig. 3. Cumulative incidence of peri-implantitis
Fig. 2. Kaplan-Meier cumulative survival rates by a gender (p = 0.1049), b implant type (p = 0.6259), c implant position (p
Fig. 1. Kaplan-Meier cumulative survival rate at 10, 15, and 25 years after the prosthesis setting
Fig. 1. Kaplan-Meier cumulative survival rate at 10, 15, and 25 years after the prosthesis setting
Hazard ratio
95% confidence interval
p value
Gender (male)
1.82
0.946~3.487
...
Hazard ratio
95% confidence interval
p value
Gender (male)
2.38
1.138~5.362
...
Hazard ratio
95% confidence interval
p value
Gender (male)
1.99
0.538~8.201
...
Dia. (mm)
Maxilla anterior
Maxilla posterior
Mandible anterior
Mandible posterior
Tot...
Dia. (mm)
Maxilla anterior
Maxilla posterior
Mandible anterior
Mandible posterior
Tot...
Age/gender
Male
Female
Total
20–29
3
...
Horikawa, T., Odatsu, T., Itoh, T. et al. Retrospective cohort study of rough-surface titanium implants with at least 25 years’ function.
Int J Implant Dent 3, 42 (2017). https://doi.org/10.1186/s40729-017-0101-7
Download citation
Received: 26 April 2017
Accepted: 28 August 2017
Published: 05 September 2017
DOI: https://doi.org/10.1186/s40729-017-0101-7
Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were...
Tadashi Horikawa, Tetsurou Odatsu, Takatoshi Itoh, Yoshiki Soejima, Hutoshi Morinaga, Naruyoshi Abe, Naoyuki Tsuchiya, Toshikazu Iijima, and Takashi Sawase declare that they have no competing interests.
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
You can also search for this author in
PubMed Google Scholar
TH, TO, and TS initiated and designed the retrospective study and drafted the manuscript including the preparation of figures and tables. TH, TAI, YS, HM, NA, NT, and TOI reviewed the medical records and collected the data. All authors revised the manuscript and approved the final manuscript.
Correspondence to...
Kyushu Implant Research Group, 4-14 Kokaihonmachi, Chuo-ku, Kumamoto, 860-0851, Japan
Tadashi Horikawa, Takatoshi Itoh, Yoshiki Soejima, Hutoshi Morinaga, Naruyoshi Abe, Naoyuki Tsuchiya, Toshikazu Iijima & Takashi Sawase
Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
Tetsurou Odatsu & Takash...
Pjetursson BE, Thoma D, Jung R, Zwahlen M, Zembic A. A systematic review of the survival and complication rates of implant-supported fixed dental prostheses (FDPs) after a mean observation period of at least 5 years. Clin Oral Implants Res. 2012;23(Suppl 6):22–38.
Dorner S, Zeman F, Koller M, Lang R, Handel G, Behr M. Clinical performance of complete dentures: a retrospective study. Int J Prost...
Duda M, Matalon S, Lewinstein I, Harel N, Block J, Ormianer Z. One piece immediately loading implants versus 1 piece or 2 pieces delayed: 3 years outcome. Implant Dent. 2016;25:109–13.
Wennerberg A, Albrektsson T. Effects of titanium surface topography on bone integration: a systematic review. Clin Oral Implants Res. 2009;20(Suppl 4):172–84.
Teughels W, Van Assche N, Sliepen I, Quirynen M. E...
Dahlin C, Linde A, Gottlow J, Nyman S. Healing of bone defects by guided tissue regeneration. Plast Reconstr Surg. 1988;81:672–6.
Boyne PJ, James RA. Grafting of the maxillary sinus floor with autogenous marrow and bone. J Oral Surg. 1980;38:613–6.
Hellem S, Karlsson U, Almfeldt I, Brunell G, Hamp SE, Astrand P. Nonsubmerged implants in the treatment of the edentulous lower jaw: a 5-year pro...
Brånemark PI, Adell R, Breine U, Hansson BO, Lindström J, Ohlsson A. Intra-osseous anchorage of dental prostheses. I. Experimental studies. Scand J Plast Reconstr Surg. 1969;3:81–100.
Buser D, Sennerby L, De Bruyn H. Modern implant dentistry based on osseointegration: 50 years of progress, current trends and open questions. Periodontol. 2017;73:7–21.
Ekelund JA, Lindquist LW, Carlsson GE, ...
In conclusion, our analyses revealed a cumulative survival rate of 89.8% of TPS-surface implants with at least 25 years of functioning. The survival rate of maxillary positioned implants was significantly lower than that of mandibulary positioned implants. The patient gender, implant location, and width of keratinized mucosa affected the rate of peri-implantitis, resulting in late failure. Implan...
We also observed that the tooth-implant-supported prostheses had a lower complication-free rate than implant-supported fixed prostheses due to caries, periodontitis, or the root fracture of abutment teeth. Lang et al. reported that the survival rates of tooth implant-supported fixed partial dentures were 94.1% after 5 years and 77.8% after 10 years of functioning [31], and these results were alm...
Regarding the width of keratinized mucosa, many studies and a review have indicated that the presence of a sufficient width of keratinized mucosa is necessary for maintaining healthy peri-implants [26,27,28,29]. In the present study, when 2 mm of keratinized mucosa was used as the adequate width, the p value was 0.053 (data not shown). This also showed the tendency of the availability of keratini...
Peri-implantitis is the major reason for late failure [13, 14]. The consensus report of the Sixth European Workshop on Periodontology described peri-implant mucositis in approx. 80% of subjects restored with implant, and peri-implantitis in 28–56% of subjects [15]. In the present study, the cumulative incidence of peri-implantitis was 9.5, 15.3, 21.0, and 27.9% at 5, 10, 15, and 25 years after ...
Although all implants used in this study were withdrawn from the market about 20 years before, the longitudinal clinical outcomes over decades will help to better understand potential factors leading to implant failure or complications and assess the safe and predictable use of dental implant. Our analyses revealed a 25-year cumulative survival rate of 89.8% after the prosthesis setting, which se...
A total of 48 implants were eventually accompanied by a peri-implant infection: the cumulative incidence of peri-implantitis was 9.5, 15.3, 21.0, and 27.9% at 5, 10, 15, and 25 years after the prosthesis delivery, respectively (Fig. 3). After stepwise backward selection, the gender, implant type, and width of keratinized mucosa showed the significant difference in the cumulative survival rate (T...
A total of 92 patients (38 men, 54 women; mean age 54.3 years, range 20–78) received implant-supported prostheses (at the seven private practices) between 1984 and 1990. The distribution of patients by age and gender is presented in Table 1. Fifty-seven patients (140 implants) were considered dropouts due to the fact that no data were obtained at the endpoint, but 25 years had passed since th...
This retrospective observational study was approved by the ethical committee of Nagasaki University (No. 1512). The cases of all of the patients who underwent dental implant treatment with a TPS-surfaced solid-screw implant and whose prosthesis was set in the years 1984–1990 at seven private practices were analyzed. All inserted implants were either a TPS-type (TPS-type, Institute Straumann, Bas...
Dental implant treatment based on the concept of osseointegration [1] is now a widely accepted restorative treatment for fully and partially edentulous patients. In the earliest days of the use of osseointegrated implants, two different topographies were applied on the implant surfaces: a machined minimally rough titanium surface such as the Brånemark system and a rough microporous titanium plasm...
The longitudinal clinical outcomes over decades contribute to know potential factors leading to implant failure or complications and help in the decision of treatment alternatives.
The cases of all patients who received dental implants treated with titanium plasma-sprayed surfaces and whose prostheses were set in the period 1984–1990 at seven private practices were retrospectively analyzed. The...
Hazard ratio
95% confidence interval
p value
Gender (male)
1.82
0.946~3.487
...
Hazard ratio
95% confidence interval
p value
Gender (male)
2.38
1.138~5.362
...
Hazard ratio
95% confidence interval
p value
Gender (male)
1.99
0.538~8.201
...
Dia. (mm)
Maxilla anterior
Maxilla posterior
Mandible anterior
Mandible posterior
Tot...
Dia. (mm)
Maxilla anterior
Maxilla posterior
Mandible anterior
Mandible posterior
Tot...
Age/gender
Male
Female
Total
20–29
3
...
References
Brånemark PI, Adell R, Breine U, Hansson BO, Lindström J, Ohlsson A. Intra-osseous anchorage of dental prostheses. I. Experimental studies. Scand J Plast Reconstr Surg. 1969;3:81–100.
Buser D, Sennerby L, De Bruyn H. Modern implant dentistry based on osseointegration: 50 years of progress, current trends and open questions. Periodontol. 2017;73:7–...
Conclusions
In conclusion, our analyses revealed a cumulative survival rate of 89.8% of TPS-surface implants with at least 25 years of functioning. The survival rate of maxillary positioned implants was significantly lower than that of mandibulary positioned implants. The patient gender, implant location, and width of keratinized mucosa affected the rate of peri-implantitis, resulting in l...
A total of 48 implants were eventually accompanied by a peri-implant infection: the cumulative incidence of peri-implantitis was 9.5, 15.3, 21.0, and 27.9% at 5, 10, 15, and 25 years after the prosthesis delivery, respectively (Fig. 3). After stepwise backward selection, the gender, implant type, and width of keratinized mucosa showed the significant difference in the cumulative survival rate (T...
Results
Patient cohort
A total of 92 patients (38 men, 54 women; mean age 54.3 years, range 20–78) received implant-supported prostheses (at the seven private practices) between 1984 and 1990. The distribution of patients by age and gender is presented in Table 1. Fifty-seven patients (140 implants) were considered dropouts due to the fact that no data were obtained at the endpoint, bu...
Methods
Study design
This retrospective observational study was approved by the ethical committee of Nagasaki University (No. 1512). The cases of all of the patients who underwent dental implant treatment with a TPS-surfaced solid-screw implant and whose prosthesis was set in the years 1984–1990 at seven private practices were analyzed. All inserted implants were either a TPS-type (TPS-t...
Background
Dental implant treatment based on the concept of osseointegration [1] is now a widely accepted restorative treatment for fully and partially edentulous patients. In the earliest days of the use of osseointegrated implants, two different topographies were applied on the implant surfaces: a machined minimally rough titanium surface such as the Brånemark system and a rough micropor...
Abstract
Background
The longitudinal clinical outcomes over decades contribute to know potential factors leading to implant failure or complications and help in the decision of treatment alternatives.
Methods
The cases of all patients who received dental implants treated with titanium plasma-sprayed surfaces and whose prostheses were set in the period 1984–1990 at seven...