A comparative analysis of adhesion abilities between AH Plus® Bioceramic, Ceraseal® and AH Plus® on root canal dentine surfaces
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Ike Dwi Maharti1, Indira Larasputri1, Nendar Herdianto2
1Department of Conservative Dentistry, University of Indonesia, Jakarta, Indonesia.
Introduction:
The adhesion of sealers to dentin is a vital aspect of endodontic success. Epoxy resin-based sealers such as AH Plus® are considered the gold standard for their strong mechanical adhesion, but they lack bioactivity. Calcium silicate-based sealers such as AH Plus® Bioceramic and Ceraseal® offer bioactive potential. This study compares the push-out bond strength and failure modes of three root canal sealers: AH Plus® Bioceramic, Ceraseal®, and AH Plus®.
Materials And Methods:
Thirty mandibular premolars were prepared and divided into three groups (n = 10): Group I (AH Plus® Bioceramic), Group II (Ceraseal®), and Group III (AH Plus®). Push-out bond strength was measured in MPa at apical and medial root segments using a universal testing machine. Failure modes were evaluated using a digital microscope at ×30 and ×100 magnification.
Results:
AH Plus® exhibited the highest mean bond strength (14.65 ± 2.42 MPa), followed by Ceraseal®. AH Plus® Bioceramic showed the lowest bond strength (2.31 ± 0.21 MPa). Failure modes in Group I were predominantly mixed, whereas Groups II and III had balanced cohesive and mixed failures.
Conclusions:
While all sealers adhered well to dentin, AH Plus® Bioceramic demonstrated significantly lower bond strength compared to AH Plus® and Ceraseal®.
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