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Long-term clinical, microbiological and radiographic outcome of Brånemark™ implants installed in augmented maxillary bone for fixed full-arch rehabilitation

Hugo De Bruyn UGent, Peter Bouvry UGent, Bruno Collaert, Calix De Clercq, Rutger Persson and Jan Cosyn UGent (2013) CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH. 15(1). p.73-82
abstract
Purpose: To document the long-term outcome of Brånemark implants installed in augmented maxillary bone and to identify parameters which are associated with peri-implant bone level. Material and methods: Patients of a periodontal practice who had been referred to a maxillofacial surgeon for iliac crest bone grafting in the atrophic maxilla were retrospectively recruited. Five months following grafting they received 7 to 8 turned Brånemark implants. Following submerged healing of another 5 months, implants were uncovered and restorative procedures for fixed rehabilitation were initiated 2 to 3 months thereafter. The primary outcome variable was bone level defined as the distance from the implant-abutment interface to the first visible bone-to-implant contact. Secondary outcome variables included plaque index, bleeding index, probing depth and levels of 40 species in subgingival plaque samples as identified by means of checkerboard DNA-DNA hybridization. Results: Nine out of 16 patients (8 females, 1 male; mean age 59) with 71 implants agreed to come in for evaluation after on average 9 years (SD 4; range 3 – 13) of function. One implant was deemed mobile at the time of inspection. Clinical conditions were acceptable with 11 % of the implants showing pockets ≥ 5 mm. Periodontopathogens were frequently and in high numbers encountered. Clinical parameters and bacterial levels were highly patient-dependent. The mean bone level was 2.30 mm (SD 1.53; range 0.00 – 6.95) with 23 % of the implants demonstrating advanced resorption (bone level > 3 mm). Regression analysis showed a significant association of the patient (p < 0.001) and plaque index (p = 0.007) with bone level. Conclusions: The long-term outcome of Brånemark implants installed in iliac crest augmented maxillary bone is acceptable, however advanced peri-implant bone loss is rather common and indicative of graft resorption. This phenomenon is patient-dependent and seems also associated with oral hygiene.
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author
organization
alternative title
Long-term clinical, microbiological and radiographic outcome of Brånemark(TM) implants installed in augmented maxillary bone for fixed full-arch rehabilitation
year
type
journalArticle (original)
publication status
published
subject
keyword
Dental implant, maxilla, microbiology, bone augmentation, bone level
journal title
CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH
Clin. Implant Dent. Relat. Res.
volume
15
issue
1
pages
73 - 82
JCR category
DENTISTRY, ORAL SURGERY & MEDICINE
JCR impact factor
2.796 (2013)
JCR rank
9/83 (2013)
JCR quartile
1 (2013)
ISSN
1523-0899
DOI
10.1111/j.1708-8208.2011.00359.x
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1167998
handle
http://hdl.handle.net/1854/LU-1167998
date created
2011-02-23 21:20:36
date last changed
2015-03-01 00:31:38
@article{1167998,
  abstract     = {Purpose: To document the long-term outcome of Br{\aa}nemark implants installed in augmented maxillary bone and to identify parameters which are associated with peri-implant bone level.
Material and methods: Patients of a periodontal practice who had been referred to a maxillofacial surgeon for iliac crest bone grafting in the atrophic maxilla were retrospectively recruited. Five months following grafting they received 7 to 8 turned Br{\aa}nemark implants. Following submerged healing of another 5 months, implants were uncovered and restorative procedures for fixed rehabilitation were initiated 2 to 3 months thereafter. The primary outcome variable was bone level defined as the distance from the implant-abutment interface to the first visible bone-to-implant contact. Secondary outcome variables included plaque index, bleeding index, probing depth and levels of 40 species in subgingival plaque samples as identified by means of checkerboard DNA-DNA hybridization.
Results: Nine out of 16 patients (8 females, 1 male; mean age 59) with 71 implants agreed to come in for evaluation after on average 9 years (SD 4; range 3 -- 13) of function. One implant was deemed mobile at the time of inspection. Clinical conditions were acceptable with 11 \% of the implants showing pockets \ensuremath{\geq} 5 mm. Periodontopathogens were frequently and in high numbers encountered. Clinical parameters and bacterial levels were highly patient-dependent. The mean bone level was 2.30 mm (SD 1.53; range 0.00 -- 6.95) with 23 \% of the implants demonstrating advanced resorption (bone level {\textrangle} 3 mm). Regression analysis showed a significant association of the patient (p {\textlangle} 0.001) and plaque index (p = 0.007) with bone level.
Conclusions: The long-term outcome of Br{\aa}nemark implants installed in iliac crest augmented maxillary bone is acceptable, however advanced peri-implant bone loss is rather common and indicative of graft resorption. This phenomenon is patient-dependent and seems also associated with oral hygiene.},
  author       = {De Bruyn, Hugo and Bouvry, Peter and Collaert, Bruno and De Clercq , Calix and Persson, Rutger and Cosyn, Jan},
  issn         = {1523-0899},
  journal      = {CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH},
  keyword      = {Dental implant,maxilla,microbiology,bone augmentation,bone level},
  language     = {eng},
  number       = {1},
  pages        = {73--82},
  title        = {Long-term clinical, microbiological and radiographic outcome of Br{\aa}nemark{\texttrademark} implants installed in augmented maxillary bone for fixed full-arch rehabilitation},
  url          = {http://dx.doi.org/10.1111/j.1708-8208.2011.00359.x},
  volume       = {15},
  year         = {2013},
}

Chicago
De Bruyn, Hugo, Peter Bouvry, Bruno Collaert, Calix De Clercq , Rutger Persson, and Jan Cosyn. 2013. “Long-term Clinical, Microbiological and Radiographic Outcome of BrånemarkTM Implants Installed in Augmented Maxillary Bone for Fixed Full-arch Rehabilitation.” Clinical Implant Dentistry and Related Research 15 (1): 73–82.
APA
De Bruyn, H., Bouvry, P., Collaert, B., De Clercq , C., Persson, R., & Cosyn, J. (2013). Long-term clinical, microbiological and radiographic outcome of BrånemarkTM implants installed in augmented maxillary bone for fixed full-arch rehabilitation. CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH, 15(1), 73–82.
Vancouver
1.
De Bruyn H, Bouvry P, Collaert B, De Clercq C, Persson R, Cosyn J. Long-term clinical, microbiological and radiographic outcome of BrånemarkTM implants installed in augmented maxillary bone for fixed full-arch rehabilitation. CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH. 2013;15(1):73–82.
MLA
De Bruyn, Hugo, Peter Bouvry, Bruno Collaert, et al. “Long-term Clinical, Microbiological and Radiographic Outcome of BrånemarkTM Implants Installed in Augmented Maxillary Bone for Fixed Full-arch Rehabilitation.” CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH 15.1 (2013): 73–82. Print.