Table 2.
Survival characteristics of studies stratified by follow-up time frames.
| Group 1 | ||||||
|---|---|---|---|---|---|---|
| Study and Year of Publication |
No. of FDPs after Drop-Outs | Follow-Up in Months (Years) | Type of Material | No. of Failure (Distribution of Failures) |
No. of Complications (Distribution of Complications) * |
Reported Survival Rate (%) |
| Edelhoff et al. 2008 [33] | 21 | 39.1 (3.3) | Zirconia with veneering ceramics | 0 | 4 (chipping: 3 periapical pathology: 1) |
100 |
| Beuer et al. 2009 [30] | 21 | 40 (3.3) | Zirconia with veneering ceramics | 2 (framework fracture:1 loss of retention: 1 |
1 (endodontic complications: 1) |
90.5 |
| Vult von Steyern et al. 2005 [47] | 20 | 24 (2) | Zirconia with veneering ceramics | 0 | 3 (chipping: 3) |
100 |
| Perry et al. 2012 [37] | 16 | 24 (2) | Zirconia with veneering ceramics | 0 | 3 (chipping: 2) |
100 |
| Selz et al. 2015 [43] | 22 | 18 (1.5) | Zirconia with veneering ceramics | 0 | 19 (chipping: 2 marginal integrity: 2 color match: 1 surface roughness: 14) |
100 |
| Sailer et al. 2006 [41] | 46 | 36 (3) | Zirconia with veneering ceramics | 7 (secondary caries: 3 loss of retention: 1 chipping: 1 endodontic complications: 1 root fracture: 1) |
8 (chipping: 6 secondary caries: 2) |
84.8 |
| Naenni et al. 2015 [36] | 36 | 36 (3) | Zirconia with veneering ceramics | 0 | 30 (chipping: 12 surface roughness: 18) |
100 |
| Schmitt et al. 2009 [42] | 27 | 34.2 (2.9) | Zirconia with veneering ceramics | 0 | 3 (chipping: 3) |
100 |
| Reich et al. 2014 [39] | 32 | 46 (3.8) | Lithium disilicate ceramics | 2 (framework fracture: 1 persistent pain in abutment tooth: 1) |
5 (chipping: 2 endodontic complications: 3) |
93 |
| Group 2 | ||||||
|
Study and
Year of Publication |
No. of FDPs after Drop-Outs | Follow-Up in Months (Years) | Type of Material |
No. of Failure
(Distribution of Failures) |
No. of Complications
(Distribution of Complications) * |
Reported
Survival Rate (%) |
| Lops et al. 2012 [35] | 24 | 78 (6.5) | Zirconia with veneering ceramics | 2 (framework fracture: 1 undefined pain in abutment tooth: 1) |
3 (chipping: 1 loss of retention: 2) |
88.9 |
| Raigrodski et al. 2012 [38] | 19 | 60 (5) | Zirconia with veneering ceramics | 3 (chipping: 2 root fracture: 1) |
4 (chipping: 2 marginal integrity: 1 endodontic complications: 1) |
90 |
| Sorrentino et al. 2012 [45] | 48 | 60 (5) | Zirconia with veneering ceramics | 0 | 16 (chipping: 3 occlusal wear: 6 marginal integrity: 3 anatomical form: 4) |
100 |
| Burke et al. 2013 [31] | 33 | 60 (5) | Zirconia with veneering ceramics | 1 (chipping: 1) |
7 (chipping: 7) |
97 |
| Solá-Ruiz et al. 2015 [44] | 27 | 84 (7) | Zirconia with veneering ceramics | 3 (secondary caries: 2 chipping: 1) |
8 (chipping: 5 loss of retention: 2 periapical pathology: 1) |
88.9 |
| Ioannidis et al. 2016 [34] | 57 | 75.6 (6.3) | Zirconia with veneering ceramics | 3 (root fracture: 2 Secondary caries: 1) |
23 (chipping: 16 loss of vitality: 3 periodontal pathology: 2 secondary caries: 1 endodontic complications: 1) |
85 |
| Group 3 | ||||||
|
Study and
Year of Publication |
No. of
FDPs after Drop-Outs |
Follow-Up in Months (Years) | Type of Material |
No. of Failure
(Distribution of Failures) |
No. of Complications
(Distribution of Complications) * |
Reported
Survival Rate (%) |
| Rinke et al. 2018 [40] | 75 | 119 (9.9) | Zirconia with veneering ceramics | 24 (framework fracture: 4 chipping: 4 loss of retention: 5 secondary caries: 6 periodontal pathology: 2 root fracture: 2 unknown: 1) |
50 (chipping: 31 framework fracture: 1 loss of retention: 7 secondary caries: 6 loss of vitality: 5) |
75 |
| Teichmann et al. 2018 [46] | 20 | 120 (10) | Zirconia with veneering ceramics | 1 (endodontic complications: 1) |
9 (chipping: 8 periodontal pathology: 1) |
95 |
| Chaar et al. 2015 [32] | 59 | 116.4 (9.7) | Zirconia with veneering ceramics | 4 (framework fracture: 2 secondary caries: 2 |
29 (chipping: 15 loss of retention: 6 endodontic complications: 5 secondary caries: 3) |
93.6 |
* Complications were defined according to the modified USPHS criteria and considered as biological or technical complications not leading to a replacement of the bridge (no failures).