Shear Bond Strength of Molar Tubes to Enamel Using an Orthodontic Resin-Modified Glass Ionomer Cement Modified with Amorphous Calcium Phosphate

This study aimed to assess the shear bond strength (SBS) of molar tubes to the enamel surface of molar teeth using a resin-modified glass ionomer (RMGI) cement modified with amorphous calcium phosphate (ACP). In this in-vitro study, 60 extracted human third molars were randomly divided into four gro...

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Bibliographic Details
Published in:Frontiers in dentistry 2019, Vol.16 (5), p.369-378
Main Authors: Tanbakuchi, Behrad, Hooshmand, Tabassom, Javad Kharazifard, Mohammad, Shekofteh, Kiana, Hesam Arefi, Arian
Format: Article
Language:English
Subjects:
amorphous calcium phosphate
Amorphous materials
Bond strength
Bonding strength
Calcium phosphates
Dental cement
Dental enamel
Enamel
fuji ortho lc
Glass
Glass ionomer cements
Molars
Original
Orthodontics
Resin bonding
Sandblasting
shear strength
Teeth
Tubes
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Summary:This study aimed to assess the shear bond strength (SBS) of molar tubes to the enamel surface of molar teeth using a resin-modified glass ionomer (RMGI) cement modified with amorphous calcium phosphate (ACP). In this in-vitro study, 60 extracted human third molars were randomly divided into four groups for bonding of molar tubes to the enamel surface. Fuji Ortho LC and Fuji Ortho LC modified with ACP (1.55 wt%) were used in groups 1 and 2, respectively. In group 3, the enamel surface was sandblasted, and bonding was then performed using Fuji Ortho LC glass ionomer modified with ACP. In group 4, molar tubes were conventionally bonded using Transbond XT composite. The SBS was measured using a universal testing machine. The mean SBS of groups 1 to 4 was 10.22, 6.88, 9.4, and 13.68 MPa, respectively. Only the SBS of group 1 was not significantly different from that of groups 3 and 4 (P>0.05). Comparison of adhesive remnant index (ARI) scores of the groups revealed significant differences only between groups 1 and 4 (P
ISSN:2676-296X
2676-296X
DOI:10.18502/fid.v16i5.2286