Table 2.
Characteristics of the seven studies included in the revision.
| Study | Specimen | Sample storage | Sample characteristics | Sample preparation | Intraradicular post cementation | Intraradicular posts |
|---|---|---|---|---|---|---|
| Reference | Type of tooth/species/sample size | Substance/time/T° | Radicular length/coronal section/apical seal | Periodontal ligament simulation/instrumentation technique/crown presence | Luting agent | Studied groups |
| Pang et al. (2019) [17] | Upper central incisors/human/enlarged root canals N = 30 (teeth) n = 10 |
Not reported | 13 mm/1 mm above CEJ/4 mm | YES/Manual ProTaper until F3, Crown Down, Peeso reamer #2/YES | RelyX Unicem 2 (3 M ESPE). Self-adhesive universal cement | Group 1 (A): CAD/CAM GFP Group 2 (B): prefabricated GFP Group 3 (C): CP gold alloy |
| Tsintsadze et al. (2017) [18] | Uniradicular premolars/human/ N = 30 (teeth) n = 10 n = 6 (push-out) n = 4 (nanofiltration) SEM (representative sections per group) |
Water/ 1 week/ 37°C |
Not reported | Not reported/Reciproc and Beefill 2 in 1 system, Largo reamer #6/Not reported | Gradia Core (GC). Dual cure cement | Group 1: prefabricated GFP Group 2: CP Group 3: CAD/CAM GFP |
| Eid et al. (2019) [19] | Mandibular second premolars/human/ N = 30 n = 10 |
Chloramine-T 0.5%/ 2 months/ Not reported |
12 to 14 mm 1.5 mm above CEJ/ Not reported |
Not reported/ProTaper nickel-titanium rotary system, Gates Glidden drill #1, #2, #3/Not reported | RelyX U200 (3 M ESPE). Self-adhesive cement | Group 1 (RXP): prefabricated GFP Group 2 (BLC): CAD/CAM GFP Group 3 (AMC): CAD/CAM hybrid ceramic disc posts |
| da Costa et al. (2017) [20] | Uniradicular premolars/ human/ N = 40 n = 10 n = 2 (micro-CT de CPn y PPn) |
Initial storing: Chloramine-T 0.5%/ 6 months/ Not reported Final storing: incubator at 37°C-100% humidity |
Not reported | Not reported/Diamond bur/YES | Not reported | Group 1 (PPc): prefabricated GFP with crown Grupo 2 (PPn): prefabricated GFP without crown Grupo 3 (CPc): CAD/CAM GFP with crown Grupo 4 (CPn): CAD/CAM GFP without crown |
| Passos et al. (2017) [21] | Mandibular canines/human/ N = 40 n = 10 |
Not reported/ 24 h/ 37°C |
15 mm/without ferrule (n = 20) 2 mm (n = 20)/5 mm |
YES/ProTaper Universal files, Whitepost DC posts #0.5, 1, 2, 3/Not reported | RelyX U200 (3 M ESPE). Self-adhesive cement | Group 1 (VE): CAD/CAM GFP without ferrule Group 2 (VEF): CAD/CAM GFP with ferrule Group 3 (WP): prefabricated GFP∗ without ferrule Group 4 (WPF): prefabricated GFP∗ with ferrule |
| Eid et al. (2019) [22] | Mandibular uniradicular premolars/human/ N = 30 n = 10 |
Chloramine-T 0.5%/ 2 months/ Not reported |
14 mm/Not reported/Not reported | Not reported/ProTaper nickel-titanium rotary system, Gates Glidden drill #2, Peeso reamer #1–3 (gradually)/Not reported | RelyX U200 (3 M ESPE). Self-adhesive cement | Group 1 (CP): CAD/CAM FRRP Group 2 (CPL): CAD/CAM FRRP∗ lubricated with Vaseline Group 3 (RXP): prefabricated GFP |
| Eid et al. (2019) [23] | Mandibular uniradicular premolars/human/ N = 80 n = 20 |
Chloramine-T 0.5%/ 2 months/ Not reported |
14 mm/ Not reported/Not reported |
Not reported/ProTaper nickel-titanium rotary system, Gates Glidden drill #2, Peeso reamer #1–3 (gradually)/Not reported | RelyX U200 (3 M ESPE). Self-adhesive cement | Group 1 (BLC): CAD/CAM GFP Group 2 (AMC): high-density polymer CAD/CAM posts Group 3 (BLP): prefabricated FRRP Group 4 (RXP): prefabricated GFP |
CEJ: cementoenamel junction; FRRP: fiber-reinforced resin posts; GFP: glass-fiber posts; CP: cast posts; RT: room temperature.