Effect of Surface Coating on Bond Strength between Etched Feldspar Ceramic and Resin-Based Luting Agents

Table 2

Estimates (95% confidence intervals) for mean microshear bond strength (μSBS), characteristic strength (σ₀), and Weibull modulus (m).

Group	μSBS (MPa)	σ0 (MPa)	m
S-RC	24.2 (21.8–26.7	26.5 (23.8–29.4	4.4 (3.2–6.0
SB-RC	26.3 (24.2–28.5	28.3 (26.0–30.8	5.6 (4.1–7.7
UA-RC	14.4 (12.3–16.6	16.1 (13.8–18.7	3.1 (2.3–4.3
S-F	30.5 (28.5–32.5	32.4 (30.6–34.2	8.4 (5.9–12.0
SB-F	22.8 (20.4–25.3	24.7 (22.7–27.0	5.3 (3.7–7.7
UA-F	18.2 (16.4–20.0	19.8 (17.9–21.8	4.7 (3.4–6.6

Distinct letters in the same column indicate significant differences between groups.