| B. Bifidum | Bifidobacterium bifidum |
| B. Dentium | Bifidobacterium dentium |
| BEC | buccal epiteliale Cell adhesion |
| B. Longum | Bifidobacterium longum |
| CFU | Colony-forming units |
| CI | confidence interval |
| ECC | Early Childhood Caries |
| F. | Nucleatum Fusobacterium Nucleatum |
| GI | gingival index |
| GIT | Infant gastrointestinal tract |
| ICDAS II | International Caries Detection and Assessment System II |
| IL | interleukin |
| LAB | Lactic Acid bacteria |
| L. brevis CD2 | Lactobacillus brevis CD2 |
| L. paracasei | Lacticaseibacillus paracasei |
| L. plantarum | Lactobacillus plantarum |
| L. reuteri | Lactobacillus Reuteri |
| L. rhamnosus | Lacticaseibacillus rhamnosus |
| L. salivarius | Ligilactobacillus salivarius |
| MD | mechanical debridement |
| mPI | modified plaque index |
| mSBI | modified sulcus bleeding index |
| OHI-S index | Simplified Oral Hygiene Index |
| PBs | Probiotics |
| PI | plaque index |
| PiM | peri-implant mucositis |
| PPD | pocket probing depth |
| PD | probing depth |
| S. mutans | Streptococcus mutans |
| SRP | Scaling and root planing |
| TNF | tumor necrosis factor |
| W. cibaria | Weissella cibaria |