Factors influencing long-term survival rates of implants placed simultaneously with lateral maxillary sinus floor augmentation

A 6- to 20-year retrospective study

Won Bae Park, Kyung Lhi Kang, Ji Young Han

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Objectives: To evaluate the long-term influence of residual bone height (RBH), sinus membrane perforation and the presence of voids on the survival of implants placed simultaneously with lateral maxillary sinus floor augmentation (MSFA). Materials and Methods: A total of 207 patients (613 implants) who underwent MSFA from 1999 to 2003 and followed up until 2018 were included in this study. RBH and marginal bone loss were assessed using a series of panoramic and periapical radiographs. Cumulative survival rates (CSR) with log-rank tests and hazard ratios of implant failure according to RBH, membrane perforation, and the presence of voids were assessed. Results: The overall 10-year and 20-year CSRs were 95% (95% CI: 84.95%–85.05%) and 85% (95% CI: 84.95%–85.05%), respectively. CSR was significantly higher for implants with ≥3 mm RBH (n = 260, 92.4%) than those with <3 mm RBH (n = 353, 78.8%) (p =.002). CSR of non-smoking group (n = 312, 90.0%) was higher than that of smoking group (n = 301, 77.1%) (p =.009). There was no significant difference in the hazard ratio of implant failure between the perforated membrane group (n = 245) and the non-perforated group (n = 368). In two out of 11 patients with voids, the inflammation of peri-implantitis progressed into voids, resulting in severe bone resorption. Conclusions: The survival of implants placed in <3 mm of RBH, even though it showed a lower CSR, could be considered acceptable. Neither sinus membrane perforation nor the presence of voids appeared to affect implant survival as long as supportive maintenance therapy with proper oral hygiene was provided.

Original languageEnglish
JournalClinical Oral Implants Research
DOIs
StateAccepted/In press - 2019 Jan 1

Fingerprint

Sinus Floor Augmentation
Transverse Sinuses
Survival Rate
Retrospective Studies
Bone and Bones
Membranes
Survival
Peri-Implantitis
Oral Hygiene
Bone Resorption
Smoking
Inflammation

Keywords

  • bone regeneration
  • bone substitutes
  • guided tissue regeneration
  • sinus floor elevation
  • smoking

Cite this

@article{26ecf4363b0244ac90b73aa5629c1b2a,
title = "Factors influencing long-term survival rates of implants placed simultaneously with lateral maxillary sinus floor augmentation: A 6- to 20-year retrospective study",
abstract = "Objectives: To evaluate the long-term influence of residual bone height (RBH), sinus membrane perforation and the presence of voids on the survival of implants placed simultaneously with lateral maxillary sinus floor augmentation (MSFA). Materials and Methods: A total of 207 patients (613 implants) who underwent MSFA from 1999 to 2003 and followed up until 2018 were included in this study. RBH and marginal bone loss were assessed using a series of panoramic and periapical radiographs. Cumulative survival rates (CSR) with log-rank tests and hazard ratios of implant failure according to RBH, membrane perforation, and the presence of voids were assessed. Results: The overall 10-year and 20-year CSRs were 95{\%} (95{\%} CI: 84.95{\%}–85.05{\%}) and 85{\%} (95{\%} CI: 84.95{\%}–85.05{\%}), respectively. CSR was significantly higher for implants with ≥3 mm RBH (n = 260, 92.4{\%}) than those with <3 mm RBH (n = 353, 78.8{\%}) (p =.002). CSR of non-smoking group (n = 312, 90.0{\%}) was higher than that of smoking group (n = 301, 77.1{\%}) (p =.009). There was no significant difference in the hazard ratio of implant failure between the perforated membrane group (n = 245) and the non-perforated group (n = 368). In two out of 11 patients with voids, the inflammation of peri-implantitis progressed into voids, resulting in severe bone resorption. Conclusions: The survival of implants placed in <3 mm of RBH, even though it showed a lower CSR, could be considered acceptable. Neither sinus membrane perforation nor the presence of voids appeared to affect implant survival as long as supportive maintenance therapy with proper oral hygiene was provided.",
keywords = "bone regeneration, bone substitutes, guided tissue regeneration, sinus floor elevation, smoking",
author = "Park, {Won Bae} and Kang, {Kyung Lhi} and Han, {Ji Young}",
year = "2019",
month = "1",
day = "1",
doi = "10.1111/clr.13505",
language = "English",
journal = "Clinical Oral Implants Research",
issn = "0905-7161",

}

TY - JOUR

T1 - Factors influencing long-term survival rates of implants placed simultaneously with lateral maxillary sinus floor augmentation

T2 - A 6- to 20-year retrospective study

AU - Park, Won Bae

AU - Kang, Kyung Lhi

AU - Han, Ji Young

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Objectives: To evaluate the long-term influence of residual bone height (RBH), sinus membrane perforation and the presence of voids on the survival of implants placed simultaneously with lateral maxillary sinus floor augmentation (MSFA). Materials and Methods: A total of 207 patients (613 implants) who underwent MSFA from 1999 to 2003 and followed up until 2018 were included in this study. RBH and marginal bone loss were assessed using a series of panoramic and periapical radiographs. Cumulative survival rates (CSR) with log-rank tests and hazard ratios of implant failure according to RBH, membrane perforation, and the presence of voids were assessed. Results: The overall 10-year and 20-year CSRs were 95% (95% CI: 84.95%–85.05%) and 85% (95% CI: 84.95%–85.05%), respectively. CSR was significantly higher for implants with ≥3 mm RBH (n = 260, 92.4%) than those with <3 mm RBH (n = 353, 78.8%) (p =.002). CSR of non-smoking group (n = 312, 90.0%) was higher than that of smoking group (n = 301, 77.1%) (p =.009). There was no significant difference in the hazard ratio of implant failure between the perforated membrane group (n = 245) and the non-perforated group (n = 368). In two out of 11 patients with voids, the inflammation of peri-implantitis progressed into voids, resulting in severe bone resorption. Conclusions: The survival of implants placed in <3 mm of RBH, even though it showed a lower CSR, could be considered acceptable. Neither sinus membrane perforation nor the presence of voids appeared to affect implant survival as long as supportive maintenance therapy with proper oral hygiene was provided.

AB - Objectives: To evaluate the long-term influence of residual bone height (RBH), sinus membrane perforation and the presence of voids on the survival of implants placed simultaneously with lateral maxillary sinus floor augmentation (MSFA). Materials and Methods: A total of 207 patients (613 implants) who underwent MSFA from 1999 to 2003 and followed up until 2018 were included in this study. RBH and marginal bone loss were assessed using a series of panoramic and periapical radiographs. Cumulative survival rates (CSR) with log-rank tests and hazard ratios of implant failure according to RBH, membrane perforation, and the presence of voids were assessed. Results: The overall 10-year and 20-year CSRs were 95% (95% CI: 84.95%–85.05%) and 85% (95% CI: 84.95%–85.05%), respectively. CSR was significantly higher for implants with ≥3 mm RBH (n = 260, 92.4%) than those with <3 mm RBH (n = 353, 78.8%) (p =.002). CSR of non-smoking group (n = 312, 90.0%) was higher than that of smoking group (n = 301, 77.1%) (p =.009). There was no significant difference in the hazard ratio of implant failure between the perforated membrane group (n = 245) and the non-perforated group (n = 368). In two out of 11 patients with voids, the inflammation of peri-implantitis progressed into voids, resulting in severe bone resorption. Conclusions: The survival of implants placed in <3 mm of RBH, even though it showed a lower CSR, could be considered acceptable. Neither sinus membrane perforation nor the presence of voids appeared to affect implant survival as long as supportive maintenance therapy with proper oral hygiene was provided.

KW - bone regeneration

KW - bone substitutes

KW - guided tissue regeneration

KW - sinus floor elevation

KW - smoking

UR - http://www.scopus.com/inward/record.url?scp=85070081780&partnerID=8YFLogxK

U2 - 10.1111/clr.13505

DO - 10.1111/clr.13505

M3 - Article

JO - Clinical Oral Implants Research

JF - Clinical Oral Implants Research

SN - 0905-7161

ER -