Table 2.

The representative numbers for the comparisons.

Comparison number	Comparison
Nos. 1–3	The IRT between different	Tightening methods	In group Nobel Ø3.5, Ø4.3, Ø5.0
Nos. 4–6			In group Straumann Ø3.3, Ø4.1, Ø4.8
Nos. 7–10			In group WEGO Ø3.4, Ø3.8, Ø4.3, Ø5.0
Nos. 11–19		Diameters groups	In groups A, B, C	Nobel: nos. 11–13 Straumann: nos. 14–16 WEGO: nos. 17–19
Nos. 20–22	The PRT between different	Tightening methods	In group Nobel Ø3.5, Ø4.3, Ø5.0
Nos. 23–25			In group Straumann Ø3.3, Ø4.1, Ø4.8
Nos. 26–29			In group WEGO Ø3.4, Ø3.8, Ø4.3, Ø5.0
Nos. 30–38		Diameters groups	In groups A, B, C	Nobel: nos. 30–32 Straumann: nos. 33–35 WEGO: nos. 36–38
Nos. 39–41	The removal torque loss between different	Tightening methods	In group Nobel Ø3.5, Ø4.3, Ø5.0
Nos. 42–44			In group Straumann Ø3.3, Ø4.1, Ø4.8
Nos. 45–48			In group WEGO Ø3.4, Ø3.8, Ø4.3, Ø5.0
Nos. 49–57		Diameters groups	In groups A, B, C	Nobel: nos. 49–51 Straumann: nos. 52–54 WEGO: nos. 55–57
Nos. 58–60	The TLR between different	Tightening methods	In group Nobel Ø3.5, Ø4.3, Ø5.0
Nos. 61–63			In group Straumann Ø3.3, Ø4.1, Ø4.8
Nos. 64–67			In group WEGO Ø3.4, Ø3.8, Ø4.3, Ø5.0
Nos. 68–76		Diameters groups	In group A, B, C	Nobel: nos. 68–70 Straumann: nos. 71–73 WEGO: nos. 74–76
Nos. 77–79	The operating time between different tightening methods in Nobel (no.77), Straumann (no.78), WEGO (no.79)