Introduction
Material and methods
Patients
Clinical parameters
Microbiological analysis
Statistical analysis
Results
Patients’ characteristics | 120, n (%) | 169, n (%) |
---|---|---|
Age mean ± SD (years) | 46.3 (16.5) | 45.5 (16.7) |
Gender: male/female | 59/61 | 83/86 |
Type of reconstruction | ||
Single tooth replacement | 106 (88.3) | NA |
Overdenture maxilla | 13 (10.8) | NA |
Overdenture mandibula | 1 (0.8) | NA |
Number of implants per patient | ||
1 | 62 (51.7) | 87 (51.5) |
2 | 33 (27.5) | 40 (23.7) |
3 | 4 (3.3) | 6 (3.6) |
4 | 7 (5.8) | 10 (5.9) |
5 | 3 (2.5) | 4 (2.4) |
6 | 9 (7.5) | 13 (7.7) |
7 | 1 (0.8) | 2 (1.2) |
8 | 1 (0.8) | 1 (0.6) |
Missing | 0 (0) | 6 (3.6) |
Type of implant | ||
Astra | 4 (3.3) | 4 (2.4) |
Bone Level Roxolid | 1 (0.8) | 2 (1.2) |
Bone Level Straumann | 50 (41.7) | 70 (41.4) |
Brånemark | 3 (2.5) | 6 (3.6) |
3i | 7 (5.8) | 8 (4.7) |
NobelActive | 2 (1.7) | 2 (1.2) |
NobelReplace | 9 (7.5) | 12 (7.1) |
NobelSpeedy | 1 (0.8) | 2 (1.2) |
Standard Straumann | 16 (13.3) | 20 (11.8) |
Standard plus Straumann | 24 (20.0) | 33 (19.5) |
Combination of types | 3 (2.5) | 4 (2.4) |
Missing | 0 (0) | 6 (3.6) |
Augmentation | ||
No | 55 (45.8) | 76 (45.0) |
Yes, before implantation | 47 (39.2) | 63 (37.3) |
Yes, during sinus augmentation | 3 (2.5) | 3 (1.8) |
Yes, during implantation | 15 (12.5) | 21 (12.4) |
Missing | 0 (0) | 6 (3.6) |
Implant location | ||
Front | 34 (28.3) | 46 (27.2) |
Lateral parts | 72 (60.0) | 97 (57.4) |
Front and lateral parts | 14 (11.7) | 20 (11.8) |
Use of antibiotics during the last 3 months | ||
No | 88 (73.3) | 124 (73.4) |
Yes | 32 (26.7) | 45 (26.6) |
Reason of antibiotics use | ||
Not applicable | 88 (73.3) | 124 (73.4) |
Augmentation | 23 (19.2) | 32 (18.9) |
Others | 9 (7.5) | 13 (7.7) |
Self-reported smoking | ||
No | 93 (77.5) | 124 (73.4) |
Yes | 27 (22.5) | 45 (26.6) |
Clinical parameters
Clinical parameters | Baseline (T0) | Follow-up (T1) | |
---|---|---|---|
Teeth, n (%) | Teeth, n (%) | Implants, n (%) | |
Self-reported smoking | |||
No | 93 (77.5) | 97 (80.8) | 97 (80.8) |
Yes | 27 (22.5) | 23 (19.2) | 23 (19.2) |
Modified plaque index | |||
Score 0, no detection of plaque | 70 (58.3) | 89 (74.2) | 104 (86.7) |
Score 1, plaque on the probe | 35 (29.2) | 23 (19.2) | 9 (7.5) |
Score 2, plaque seen by the naked eye | 15 (12.5) | 8 (6.7) | 4 (3.3) |
Score 3, abundance of soft matter | 0 (0) | 0 (0) | 3 (2.5) |
Deepest pocket (mm) | |||
1 | 0 (0) | 0 (0) | 1 (0.8) |
2 | 42 (35.0) | 44 (36.7) | 58 (48.3) |
3 | 57 (47.5) | 60 (50.0) | 42 (35.0) |
4 | 18 (15.0) | 12 (10.0) | 12 (10.0) |
5 | 3 (2.5) | 4 (3.3) | 3 (2.5) |
6 | 0 (0) | 0 (0) | 3 (2.5) |
10 | 0 (0) | 0 (0) | 1 (0.8) |
Modified sulcus bleeding index | |||
Score 0, no bleeding | 91 (75.8) | 89 (74.2) | 67 (55.8) |
Score 1, isolated bleeding spots | 22 (18.3) | 28 (23.3) | 44 (36.7) |
Score 2, confluent line of blood | 7 (5.8) | 3 (2.5) | 9 (7.5) |
Score 3, heavy or profuse bleeding | 0 (0) | 0 (0) | 0 (0) |
Implant mucosal index | |||
Score 0, normal mucosa | NA | NA | 80 (66.7) |
Score 1, mild inflammation | NA | NA | 36 (30.0) |
Score 2, moderate inflammation | NA | NA | 4 (3.3) |
Score 3, severe inflammation | NA | NA | 0 (0) |
Implant dental calculus present | |||
Score 0, no dental calculus | NA | NA | 118 (98.3) |
Score 1, dental calculus present | NA | NA | 2 (1.7) |
Recessions | |||
No | 100 (83.3) | 97 (80.8) | 119 (99.2) |
Yes | 20 (16.7) | 23 (19.2) | 1 (0.8) |
Suppuration | |||
No | 120 (100) | 120 (100) | 120 (100) |
Yes | 0 (0) | 0 (0) | 0 (0) |
Smoking
Microbiological analysis
Effect of smoking on the dentate and implant microflora
Multiple logistic regression analysis
Periodontal pathogen | Variable | Multiple regression analysis | ||||
---|---|---|---|---|---|---|
B
a
| S.E. | OR | 95 % CI |
P
| ||
Aggregatibacter actinomycetemcomitans
| – | |||||
Porphyromonas gingivalis
| Smoking | 1.63 | 0.68 | 5.11 | 1.34–19.49 | 0.02 |
Prevotella intermedia
| Modified sulcus bleeding index | −0.90 | 0.52 | 0.41 | 0.15–1.13 | 0.08 |
Tannerella forsythia
| Pocket depth | 0.61 | 0.23 | 1.83 | 1.17–2.87 | 0.01 |
Parvimonas micra
| Smoking | 1.17 | 0.53 | 3.22 | 1.14–9.12 | 0.03 |
Pocket depth | 0.38 | 0.21 | 1.47 | 0.98–2.20 | 0.07 | |
Fusobacterium nucleatum
| Smoking | 0.98 | 0.53 | 2.67 | 0.95–7.50 | 0.06 |
Modified plaque Index | 1.39 | 0.68 | 4.00 | 1.06–15.10 | 0.04 | |
Campylobacter rectus
| Antibiotic use at baseline | 1.82 | 0.89 | 6.14 | 1.07–35.35 | 0.04 |