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Table 2 Smear layer removal data from topical and friction applications

From: Erosive potential of energy drinks on the dentine surface

Group

Application method

Median (range; lower quartile, upper quartile)

#

Control (Distilled water)

Topical

4.0 (4–4; 4, 4)

ns

Friction

4.0 (4–4; 4, 4)

RedBull

Topical

3.0 (2–3; 2, 3)

ns

Friction

3.0 (1–3; 1.5, 3)

Flying Horse

Topical

2.0 (2–3; 2, 3)

ns

 

Friction

2.0 (2–3; 2, 2.5)

 

Bug

Topical

2.0 (1–3; 1, 3)

ns

 

Friction

3.0 (2–3; 2.5, 3)

 

Burn

Topical

3.0 (2–3; 2, 3)

ns

 

Friction

2.0 (2–2; 2, 2.5)

 

Gladiator

Topical

3.0 (2–3; 2, 3.5)

ns

 

Friction

2.0 (2–3; 2, 2.5)

 

Hot Power

Topical

3.0 (2–4; 2.5, 3.5)

ns

 

Friction

3.0 (2–3; 2, 3)

 

Flash Power

Topical

3.0 (3–3; 3, 3)

ns

 

Friction

3.0 (3–4; 3, 3.5)

 

Army Power

Topical

4.0 (3–4; 3, 4)

p = 0.04

 

Friction

3.0 (2–3; 2, 3)

 

Ionic

Topical

3.0 (2–4; 2.5, 3.5)

ns

 

Friction

3.0 (2–3; 2.5, 3)

 

TNT

Topical

3.0 (1–4; 1.5, 4)

ns

 

Friction

3.0 (2–4; 2.5, 4)

 

Sports Drink

Topical

3.0 (3–3; 3, 3)

ns

 

Friction

2.0 (1–2, 1, 2)

 
  1. Mann–Whitney test (p = 0.05).
  2. ns = not significant (p > 0.05).