Table 3.
Quantitative analysis of articles included in the systematic review.
| Author/Year | Study Tipe | N | Sex/Mean Age/Losses | T (Months) | Periodontal | Complications | PEDro | Jadad | ||
|---|---|---|---|---|---|---|---|---|---|---|
| PPD | PAL | PCR | BOP | |||||||
| Sailer I. et al. 2017 | RCT | 62 −22 MC −40 ZR |
22 f/24 m 56 y 7 l |
60 | ZR 2.5 ± 0.4 mm MC 2.6 ± 0.4 mm |
ZR 0.0 ± 0.2 mm MC 0.0 ± 0.2 mm |
ZR 13.8 ± 24.5% MC 12.9 ±17.8% |
ZR 32.8 ± 26.7% MC 29.8 ± 24% |
8 | 3 |
| Sailer I. et al. 2009 | RCT | 58 −24 MC −34 ZR |
22 f/25 m 54.4 ± 12.7 y 6 l |
40 | ZR 2.4 ± 0.3 mm MC 2.4 ± 0.3 mm |
ZR 2.5 ± 0.2 mm MC 2.3 ± 0.2 mm |
ZR: 0.1 ± 0.1 MC: 0.1 ± 0.1 |
ZR: 0.3 ± 0.2 MC: 0.3 ± 0.2 |
8 | 3 |
| Molin M. et al. 2008 | PCT | 57 -Control (untreated teeth) |
12 f/6 m 57 y 0 l |
60 | - | - | No differences regarding control group. | No differences regarding control group. | 3 | 1 |
| Zenthöfer A. et al. 2015 | RCT | 19 −10 ZR −9 MC |
11 f/8 m 56 y 2 l |
36 | No differences regarding ZR or MC crowns. | No differences regarding ZR or MC crowns. | No differences regarding ZR or MC crowns. | No differences regarding ZR or MC crowns. | 9 | 5 |
| Reitemeier B. et al. 2002 | PCT | 480 -Control (untreated teeth) |
160 f/80 m 42.3 ± 3 y 0 l |
12 | - | - | Greater amount of plaque in control teeth. | Crowned teeth subgingival double probability bleeding before supragingival. No differences regarding control group. |
6 | 3 |
| Sax C. et al. 2011 | PCT | 85 -Control (untreated teeth) |
9 f/12 m 48.3 ± 10 y 16 l |
120 | - | Test 0.7 mm Control 0.46 mm |
- | - | 3 | 1 |
| Ioannidis A. et al. 2016 | PCT | 171 -Control (Ramfjorf teeth) |
31 f/22 m 52.6 ± 10 y 2 l |
120 | - | - | No differences. | Greater gingival bleeding in crowned teeth. | 3 | 1 |
| Suarez MJ. et al.2018 | RCT | 120 −60 MC −60 ZR -Control (untreated teeth) |
23f/17 m 24–70 y 0 l |
60 | - | Greater amount of PAL in MC and ZR compared to the control group. | Greater amount of plaque in MC and ZR versus control group. | Greater gingival bleeding in MC with respect to ZR. Greater bleeding MC and ZR versus control teeth. |
9 | 5 |
| Peláez J et al. 2012 | PCT | 60 -Control (untreated teeth) |
11 f/6 m 23–65 y 0 l |
36 | 1.17 ± 0.45 | 3.07± 0.73 | 0.53 ± 0.55 | 0.89 ± 0.59 | 4 | 1 |
| Nicolaisen MH. et al. 2016 | RCT | 102 51 MC 51 ZR |
21f/12 m 51 y 0 l |
36 | Increase of 0.1 mm MC and 0.2 mm ZR (initial <4 mm) | Increase of 0.9 ± 1.2 mm MC (initial 1.8 mm) Increase of 0.7 ± 0.8 mm ZR (initial 1.7 mm) |
- | - | 9 | 5 |
| Setz J. et al. 1994 | PCT | 12 -Control (untreated teeth) |
- | 6 | Significant differences with higher PPD in treated teeth versus control. | - | - | - | 10 | 5 |
| Tanner J. et al. 2018 | ReCT | 40 -Control (untreated teeth) |
19 f/8 m 64.6 y 8 l |
67 | 23% > 5 mm test 5% > 5 mm control |
- | Average plaque index 0.2 test 0.6 control. |
38.1% test 13.9% control. | 2 | 1 |
| Hἀff A. et al. 2014 | ReCT | 118 -Control (dientes no tratados) |
24f/6 m 68 ± 11 y 26 l |
156 | - | - | 13% control 8.3% test |
8.3% control 8.3% test |
2 | 1 |
| Ohlmann B. et al. 2014 | RCT | 111 37 MC (control) 36 PC 38 PC + F |
37 f/29 m 46 y 9 l |
48 | - | - | MC 0.40 ± 0.75 PC 0.56 ± 0.73 PC + F 0.63 ± 0.76 |
MC 0.35 ± 0.59 PC 0.56 ± 0.81 PC + F 0.35 ± 0.59 |
8 | 3 |
| Naenni N. et al. 2015 | RCT | 108 54 ZR 54 LD |
25 f/11 m 52.3 y 4 l |
36 | No differences regarding groups. | - | Greater amount of plaque in LD. | No differences regarding groups. | 9 | 5 |
| Weishaupt P. et al. 2007 | RCT | 68 | 34 - 18 l |
24 | - | - | T1: 0.43 ± 0.66 T2: 0.6 ± 0,83 |
T1: 0.61 ± 0.74 T2: 0.60 ± 0.83 |
9 | 5 |
| Peláez J. et al. 2012 | PCT | 120 60 MC 60 ZR |
22 f/15 m 23–65 y 0 l |
48 | - | Marginal integrity: 85% Zirconia 75% MC |
No differences regarding groups. | No differences regarding groups. | 9 | 5 |
| Valderhaug J. 1993 | PCT | 187 | 55 - 156 l |
180 | 57% 2 mm 34% 4 o > mm |
43.7% changes in level of insertion. | 27% 15 years later. | 63% subgingivals crowns. | 6 | 3 |
| Valdergaug J 1976 | PCT | 380 | 98 40–60 y 16 l |
60 | 83% 2 mm | 36.7% changes in level of insertion. | No differences. | 69% subgingivals crowns. | 6 | 3 |
| Müller HP. 1986 | PCT | 47 | 5 - 0 l |
12 | Supragingival: 1.75 ± 0.4 mm Juxtagingival: 1.65 ± 0.34 12% 3 mm o > |
Supragingival: +0.13 ± 0.36 Juxtagingival: −0.05 ± 0.38 |
Supragingival: 0.34 ± 0.42 Juxtagingival: 0.15± 0.24 74% sin placa |
Supragingival: 0.17 ± 0.27 Juxtagingival: 0.60 ± 0.42 74% without bleeding. |
6 | 3 |