From: The Hall Technique; a randomized controlled clinical trial of a novel method of managing carious primary molars in general dental practice: acceptability of the technique and outcomes at 23 months
Class I glass ionomer restoration
Class I other restorative material
Class II glass ionomer restoration
Class II other restorative material
'Minor' failure
13
5
28
No 'Minor' failure
11
9
29
19
Total
24
14
56
22