21 December 2022 : Clinical Research
Comparison of Bond Strength of Orthodontic Brackets Onto the Tooth Enamel of 120 Freshly Extracted Adult Bovine Medial Lower Incisors Using 4 Adhesives: A Resin-Modified Glass Ionomer Adhesive, a Composite Adhesive, a Liquid Composite Adhesive, and a One-Step Light-Cured Adhesive
Agata Prylińska-Czyżewska1ABCDE*, Zofia Maciejewska-Szaniec1BEF, Aneta Olszewska1DF, Marta Polichnowska2D, Beniamin Oskar Grabarek3F, Damian Dudek4F, Dawid Sobański3F, Agata Czajka-Jakubowska1DEDOI: 10.12659/MSM.938867
Med Sci Monit 2022; 28:e938867
Table 3 Characteristics of the types of fractures between steel orthodontic brackets and tooth enamel after a shear test during 6-month observation.
| Time | T1 – 24 hours | T2 – 3 months | T3 – 6 months | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name of the adhesive material | A1 | A2 | K1 | K2 | AK1 | AK2 | A1 | A2 | K1 | K2 | AK1 | AK2 | A1 | A2 | K1 | K2 | AK1 | AK2 |
| Fuji Ortho LC (GC Orthodontics Europe GmbH, Breckerfeld, Germany) | 0 | 4 | 0 | 0 | 6 | 0 | 1 | 6 | 0 | 0 | 3 | 0 | 3 | 2 | 0 | 0 | 5 | 0 |
| Transbond Plus Light Cure Band (3M ESPE, Wrocław, Poland) | 3 | 2 | 0 | 0 | 5 | 0 | 2 | 0 | 0 | 0 | 8 | 0 | 4 | 0 | 0 | 0 | 6 | 0 |
| Transbond Supreme Low Viscosity (3M ESPE, Wrocław, Poland) | 4 | 1 | 0 | 0 | 5 | 0 | 4 | 0 | 0 | 0 | 6 | 0 | 4 | 0 | 0 | 0 | 6 | 0 |
| Fuji Ortho Coonect (GC Orthodontics Europe GmbH, Breckerfeld, Germany) | 0 | 1 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 8 | 2 | 0 | 2 | 0 | 0 | 7 | 1 |
| A1 – adhesive fracture at the cement-bracket border; A2 – adhesive fracture at the enamel-cement border; K1 – cohesive fracture within the cement; K2 – cohesive fracture within the enamel; AK1 – adhesive-cohesive fracture without enamel damage; AK2 – adhesive-cohesive fracture with enamel damage; T1, T2, T3 – time after attaching the brackets. | ||||||||||||||||||