| No. | Sequence |
| Size (bp) | Reference | Detection frequency Number of positive samples (%) | ||
| Healthy implant (n = 30) | Peri-implantitis (n = 30) | ||||||
| 1 | Porphyromonas uenonis | F | CGTCTACGTGTAGACGTTT | 189 | [21] | 0 (0) | 3 (10) |
| R | CTAGAGAGTTTCAAAGGCAAGA | ||||||
| 2 | Porphyromonas endodontalis | F | TGATTACAGATGGGCATG | 257 | 6 (20) | 16 (53.3) | |
| R | TCTCAGCTACACGTAGCTGC | ||||||
| 3 | Porphyromonas gingivalis | F | ACAGAGGGGGATAACCCGTT | 338 | 6 (20) | 12 (40) | |
| R | ATGCAATACTCGTATCGCC | ||||||
| 4 | Porphyromonas asaccharolyticus | F | TACTCCTTAGATCCCATGAG | 466 | 0 (0) | 4 (13.3) | |
| R | CTAGAGAGTTTCAAAGGCAAGA | ||||||
| 5 | Porphyromonas bennonis | F | CTTAAGTACGCCTGTACATG | 831 | 3 (10) | 2 (6.7) | |
| R | GGTTTCCCAAGAGGCTCAC | ||||||
| 6 | Prevotella melaninogenica | F | TTTGAAGTAAAGATTTATC | 274 | 3 (10) | 6 (20) | |
| R | AATAGGGACACGTCCCTAAC | ||||||
| 7 | Prevotella loescheii | F | GGGGCGCTTGAGTGCGCTGA | 394 |
| 3 (10) | 0 (0) |
| R | GCGGCGGCCCCGAAGGGCC | ||||||
| 8 | Prevotella intermedia | F | CATATGGCATCTGACGTGGAC | 659 | 3 (10) | 6 (20) | |
| R | TAACGCCAGGCGCTAACAG | ||||||
| 9 | Prevotella nigrescens | F | GTTTCATTGACGGCATCCGATA | 394 | 3 (10) | 8 (26.7) | |
| R | AAGCCCACGTCTCTGTGGG | ||||||
| 10 | Prevotella Denticola | F | TTCGAAGCAAAGATCCGTC | 1062 | 9 (30) | 8 (26.7) | |
| R | GCTCGCGCCGCACCGGCAC | ||||||
| 11 | Tannerella forsythia | F | GCGTATGTAACCTGCCCGCA | 641 | [22] | 6 (20) | 18 (60) |
| R | TGCTTCAGTGTCAGTTATACCT | ||||||
| 12 | Treponema denticola | F | TAATACCGAATGTGCTCATTTACAT | 316 | 6 (20) | 14 (46.7) | |
| R | TCAAAGAAGCATTCCCTCTTCTTCTTA | ||||||
| 13 | Aggregatibactor actinomycetemcomitans | F | AAACCCATCTCTGAGTTCTTCTTC | 557 | 0 (0) | 0 (0) | |
| R | ATGCCAACTTGACGTTAAAT | ||||||
| 14 | Campylobactor rectus | F | TTTCGGAGCGTAAACTCCTTTTC | 598 | 9 (30) | 18 (60) | |
| R | TTTCTGCAAGCAGACACTCTT | ||||||
| 15 | Helicobacter pylori | F | ATAGTCAGTCAGGTGTGA | 869 | [23] | 3 (10) | 2 (6.7) |
| R | CAATTTAGCATCCTGACTT | ||||||
| 16 | Solobacterium moorei | F | TCGGAAGGCATCTTCTGGTT | 452 | [24] | 3 (10) | 6 (20) |
| R | AAGTGGCTGGATTGGGTTGA | ||||||
| 17 | Rothia mucilaginosa | F | GCCTAGCTTGCTAGGTGGA | 400 | [25] | 21 (70) | 6 (20) |
| R | GCAGGTACCGTCAATCTCTC | ||||||
| 18 | Corynebacterium matruchotii | F | TGGTGACGGTACCTTTGTTA | 569 | [26] | 3 (10) | 6 (20) |
| R | ACCGGTCCCCACACCTAA | ||||||
| 19 | Corynebacterium durum | F | ACATACGACCATGGCGTAGG | 284 | 16 (53.3) | 29 (96.7) | |
| R | AGGTGGGGCTTCGTCCCGG | ||||||
| 20 | Eubacterium sulci | F | ATAAAGGAATGAAGCTTCG | 122 | In this study | 0 (0) | 0 (0) |
| R | GTTATGGGGTATTAATCAC | ||||||
| 21 | Eubacterium saphenum | F | CGTACCCTTAATCGGGTAT | 275 | 0 (0) | 4 (13.3) | |
| R | AAGATTTGCTCCCCCTTGCG | ||||||
| 22 | Eubacterium limosum | F | TTGATGGATCTTCGGGTGAC | 361 | 0 (0) | 2 (6.7) | |
| R | TCCGAAAACCTTCTTCAC | ||||||
| 23 | Eubacterium nodatum | F | TTAAGTAAGCGTAGGGTTT | 433 | 0 (0) | 8 (26.7) | |
| R | CTCAGTTTTAACCGAGCTT | ||||||
| 24 | Eubacterium branchy | F | TTTTGAAAAGATTCTTCGGA | 509 | 0 (0) | 2 (6.7) | |
| R | AAGGCCACCTACGTACCC | ||||||
| 25 | Eubacterium yurii | F | TCAACCTGTGACACACGGA | 691 | 0 (0) | 6 (20) | |
| R | TTCCTCCCGACACCTAGTGT | ||||||
| 26 | Eubacterium infirmum | F | GATGCAAGAGATACACATGT | 790 |
| 0 (0) | 6 (20) |
| R | GTTCCTGGTAAGGTTCTT | ||||||
| 27 | Eubacterium minutum | F | TAAAAGGACACTTCGGTAG | 936 | 0 (0) | 2 (6.7) | |
| R | AACGGCATTACCCGATACT | ||||||
| 28 | Atopobium minutum | F | TCTTTTAGATGTGTATAAAG | 139 | 0 (0) | 0 (0) | |
| R | TAGACGCTTTGTCTTGTGTG | ||||||
| 29 | Atopobium deltae | F | TGTATTGATCGCATGGTAT | 277 | 0 (0) | 0 (0) | |
| R | ATAAGGCCTCGTCCCTGCTG | ||||||
| 30 | Atopobium rimae | F | AGAATAGCTCTTCCGTGCC | 432 | 6 (20) | 2 (6.7) | |
| R | CGCCCTTGCGGGTTGGCAGCT | ||||||
| 31 | Atopobium fossor | F | AGACCGCGTTCCGATACCG | 500 | 0 (0) | 0 (0) | |
| R | TGGCTGCCAGCTTAACCT | ||||||
| 32 | Atopobium parvulum | F | GAGACTTCCGCATGGAAGACT | 642 | 0 (0) | 2 (6.7) | |
| R | GAAATACTCCCCCACACCT | ||||||
| 33 | Atopobium vaginae | F | ATATTTCTCGCATGGCGAAT | 817 | 0 (0) | 0 (0) | |
| R | AGTGTTTCCACTGCTTCAC | ||||||
| 34 | Gemella morbillorum | F | TATTTCTCGCATGAGAGATA | 300 | 0 (0) | 0 (0) | |
| R | TACATGTATAGTTACTACAT | ||||||
| 35 | Streptococcus mutans | F | GAGCTTACCAAGGCGACGATA | 332 | 18 (60) | 12 (40) | |
| R | TCCTGACCGCCTGCGCTCC | ||||||
| 36 | Filifactor alocis | F | AAGAAATGACAGTACCC | 546 | 3 (10) | 12 (40) | |
| R | GTCCTCGATTAAAAGGCTGTCATT | ||||||
| 37 | Fretibacterium fastidiosum | F | TGGTAACACGGAATGGCATAC | 738 | 5 (16.7) | 20 (66.7) | |
| R | ACCAACATCTCTGCTCGC | ||||||
| 38 | Fusobacterium nucleatum | F | AATAGGGCATCCTATAAT | 1063 | 22 (73.3) | 24 (80) | |
| R | TTCACAGCTTTGCAACTC | ||||||
| 39 | Slackia exigua | F | TTTAGGGGGCGCATAGAGT | 1175 | 4 (13.3) | 18 (60) | |
| R | AAGGGATTCGCTCGCCCTCGCGGGTC | ||||||