Title |
Successful and failed mini-implants: microbiological evaluation and quantification of bacterial endotoxin
|
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Published in |
Journal of Applied Oral Science, July 2018
|
DOI | 10.1590/1678-7757-2017-0631 |
Pubmed ID | |
Authors |
Marcela Cristina Damião Andrucioli, Mírian Aiko Nakane Matsumoto, Maria Conceição Pereira Saraiva, Magda Feres, Luciene Cristina de Figueiredo, Carlos Artério Sorgi, Lucia Helena Faccioli, Raquel Assed Bezerra da Silva, Lea Assed Bezerra da Silva, Paulo Nelson-Filho |
Abstract |
Using two groups of mini-implants (successful and failed) the objectives of this in vivo study were: to evaluate the microbial contamination by the checkerboard DNA-DNA hybridization technique and to quantify the bacterial endotoxin by the limulus amebocyte lysate assay. The 15 successful and 10 failed mini-implants (1.6 mm diameter × 7.0 or 9.0 mm long), placed in the maxilla and/or mandible, were obtained from 15 patients undergoing orthodontic treatment. Data were analyzed statistically by the Wilcoxon rank-sum test using the SAS software (a=0.05). All 40 microbial species were detected in both groups of mini-implants, with different frequencies. No differences were observed between the groups with respect to microbial complexes (blue, purple, yellow, green, orange, red and other species) and endotoxin quantification (p>0.05). Neither microbial contamination nor endotoxin quantification was determinant for the early loss of stability of the mini-implants. |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
Unknown | 46 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Doctoral Student | 7 | 15% |
Student > Master | 6 | 13% |
Student > Postgraduate | 5 | 11% |
Student > Ph. D. Student | 3 | 7% |
Other | 2 | 4% |
Other | 5 | 11% |
Unknown | 18 | 39% |
Readers by discipline | Count | As % |
---|---|---|
Medicine and Dentistry | 17 | 37% |
Biochemistry, Genetics and Molecular Biology | 3 | 7% |
Unspecified | 1 | 2% |
Agricultural and Biological Sciences | 1 | 2% |
Business, Management and Accounting | 1 | 2% |
Other | 2 | 4% |
Unknown | 21 | 46% |