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. 2022 Dec 21;22:625. doi: 10.1186/s12903-022-02564-w

Table 2.

Characteristics of the included studies evaluating coronal microleakage

Author
(year)
Sample size
(N)
Groups System of preparation/Apical size preparation Obturation technique PSP method Measurement Time of immediate PSP Time of delayed PSP Outcome
Lan Y-y et al., (2016) [63] 48 Based on the sealer: AH-Plus, MTA N.r./ #30 Lateral condensation: GP/ AHPlus or MTA Peeso reamer #3 Dye penetration Immediately 7 days

AH Plus: delay

MTA: -

PSP; post space preparation, GP: gutta-percha, N.r.; not reported, - ; similar outcome