Efficacy of CAD/CAM Glass Fiber Posts for the Restoration of Endodontically Treated Teeth

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.