Monomer-to-polymer conversion and micro-tensile bond strength to dentine of experimental and commercial adhesives containing diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide or a camphorquinone/amine photo-initiator system
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2013
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Objectives: To compare the degree of conversion (DC) of adhesives initiated by diphenyl(2,4,6-trimethylbenzoyl) phosphine oxide (TPO) or a camphorquinone/tertiary amine system (CQ/Amine) as well as their 'immediate' micro-tensile bond strength (mu TBS) to bur-cut dentine. Methods: DC of Scotch bond Universal('SBU';3MESPE), its experimental counter part containing TPO as photo-initiator system, an experimental G-aenial Bond ('Ga-B'; GC) adhesive formulation, and an experimental LUB-102 adhesive formulation ('LUB', Kuraray Noritake), containing as photo-initiatior system either 2 wt% CQ along with 2 wt% tertiary amine ('SBU_CQ/Amine'; 'Ga-B_CQ/Amine'; 'LUB_CQ/Amine'), or 2 wt% TPO ('SBU_TPO'; 'Ga-B_TPO'; 'LUB_TPO'), was determined using Fourier-transform infrared spectroscopy(FTIR), after being cured with a dual wave length light-curing unit(blue phase 20i, Ivoclar Vivadent). The same adhesive formulations were applied to bur-cut mid-coronal dentine of intact human molars, and subjected ...to a mTBS test after 1-week water storage. Besides being applied following a self-etch (SE) application mode, the adhesive formulations SBU_CQ/Amine and SBU_TPO were also applied following an etch-and-rinse (E&R) mode, this both for DS and mTBS measurement. Results: No significant difference in DC was found for any of the adhesive formulations, except for SBU_CQ/Amine_SE and SBU_TPO_SE. For both SBU formulations, a significantly higher DC was reached for the E&R than the SE approach. Regarding mTBS, no significant differences were recorded, except for the significantly higher mTBS measured for SBU_CQ/Amine_E&R and SBU_TPO_E&R. Conclusions: In self-etch adhesives, the photo-initiator TPO may be used instead of CQ/Amine. The curing and 'immediate' bonding efficiency depended on the application protocol (E&R versus SE), but not on the photo-initiator system. Clinical significance: The photo-initiator TPO may be used in self-etch adhesives instead of CQ/Amine with similar curing and 'immediate' bonding efficiency.
Ključne reči:
Adhesive / Degree of conversion / Bond strength / Dentine / TPO / FTIRIzvor:
Journal of Dentistry, 2013, 41, 10, 918-926Izdavač:
- Elsevier Sci Ltd, Oxford
Finansiranje / projekti:
- CED-IADR Visiting Scholar Stipend
- Research Foundation-Flanders (FWO)FWO [G.0496.10]
- Razvoj i primena metoda i materijala za monitoring novih zagađujućih i toksičnih organskih materija i teških metala (RS-172007)
DOI: 10.1016/j.jdent.2013.07.007
ISSN: 0300-5712
PubMed: 23911598
WoS: 000324373400009
Scopus: 2-s2.0-84884208695
Kolekcije
Institucija/grupa
Stomatološki fakultetTY - JOUR AU - Miletić, Vesna AU - Pongprueksa, Pong AU - de Munck, Jan AU - Brooks, Neil R. AU - Van Meerbeek, Bart PY - 2013 UR - https://smile.stomf.bg.ac.rs/handle/123456789/1847 AB - Objectives: To compare the degree of conversion (DC) of adhesives initiated by diphenyl(2,4,6-trimethylbenzoyl) phosphine oxide (TPO) or a camphorquinone/tertiary amine system (CQ/Amine) as well as their 'immediate' micro-tensile bond strength (mu TBS) to bur-cut dentine. Methods: DC of Scotch bond Universal('SBU';3MESPE), its experimental counter part containing TPO as photo-initiator system, an experimental G-aenial Bond ('Ga-B'; GC) adhesive formulation, and an experimental LUB-102 adhesive formulation ('LUB', Kuraray Noritake), containing as photo-initiatior system either 2 wt% CQ along with 2 wt% tertiary amine ('SBU_CQ/Amine'; 'Ga-B_CQ/Amine'; 'LUB_CQ/Amine'), or 2 wt% TPO ('SBU_TPO'; 'Ga-B_TPO'; 'LUB_TPO'), was determined using Fourier-transform infrared spectroscopy(FTIR), after being cured with a dual wave length light-curing unit(blue phase 20i, Ivoclar Vivadent). The same adhesive formulations were applied to bur-cut mid-coronal dentine of intact human molars, and subjected to a mTBS test after 1-week water storage. Besides being applied following a self-etch (SE) application mode, the adhesive formulations SBU_CQ/Amine and SBU_TPO were also applied following an etch-and-rinse (E&R) mode, this both for DS and mTBS measurement. Results: No significant difference in DC was found for any of the adhesive formulations, except for SBU_CQ/Amine_SE and SBU_TPO_SE. For both SBU formulations, a significantly higher DC was reached for the E&R than the SE approach. Regarding mTBS, no significant differences were recorded, except for the significantly higher mTBS measured for SBU_CQ/Amine_E&R and SBU_TPO_E&R. Conclusions: In self-etch adhesives, the photo-initiator TPO may be used instead of CQ/Amine. The curing and 'immediate' bonding efficiency depended on the application protocol (E&R versus SE), but not on the photo-initiator system. Clinical significance: The photo-initiator TPO may be used in self-etch adhesives instead of CQ/Amine with similar curing and 'immediate' bonding efficiency. PB - Elsevier Sci Ltd, Oxford T2 - Journal of Dentistry T1 - Monomer-to-polymer conversion and micro-tensile bond strength to dentine of experimental and commercial adhesives containing diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide or a camphorquinone/amine photo-initiator system VL - 41 IS - 10 SP - 918 EP - 926 DO - 10.1016/j.jdent.2013.07.007 ER -
@article{ author = "Miletić, Vesna and Pongprueksa, Pong and de Munck, Jan and Brooks, Neil R. and Van Meerbeek, Bart", year = "2013", abstract = "Objectives: To compare the degree of conversion (DC) of adhesives initiated by diphenyl(2,4,6-trimethylbenzoyl) phosphine oxide (TPO) or a camphorquinone/tertiary amine system (CQ/Amine) as well as their 'immediate' micro-tensile bond strength (mu TBS) to bur-cut dentine. Methods: DC of Scotch bond Universal('SBU';3MESPE), its experimental counter part containing TPO as photo-initiator system, an experimental G-aenial Bond ('Ga-B'; GC) adhesive formulation, and an experimental LUB-102 adhesive formulation ('LUB', Kuraray Noritake), containing as photo-initiatior system either 2 wt% CQ along with 2 wt% tertiary amine ('SBU_CQ/Amine'; 'Ga-B_CQ/Amine'; 'LUB_CQ/Amine'), or 2 wt% TPO ('SBU_TPO'; 'Ga-B_TPO'; 'LUB_TPO'), was determined using Fourier-transform infrared spectroscopy(FTIR), after being cured with a dual wave length light-curing unit(blue phase 20i, Ivoclar Vivadent). The same adhesive formulations were applied to bur-cut mid-coronal dentine of intact human molars, and subjected to a mTBS test after 1-week water storage. Besides being applied following a self-etch (SE) application mode, the adhesive formulations SBU_CQ/Amine and SBU_TPO were also applied following an etch-and-rinse (E&R) mode, this both for DS and mTBS measurement. Results: No significant difference in DC was found for any of the adhesive formulations, except for SBU_CQ/Amine_SE and SBU_TPO_SE. For both SBU formulations, a significantly higher DC was reached for the E&R than the SE approach. Regarding mTBS, no significant differences were recorded, except for the significantly higher mTBS measured for SBU_CQ/Amine_E&R and SBU_TPO_E&R. Conclusions: In self-etch adhesives, the photo-initiator TPO may be used instead of CQ/Amine. The curing and 'immediate' bonding efficiency depended on the application protocol (E&R versus SE), but not on the photo-initiator system. Clinical significance: The photo-initiator TPO may be used in self-etch adhesives instead of CQ/Amine with similar curing and 'immediate' bonding efficiency.", publisher = "Elsevier Sci Ltd, Oxford", journal = "Journal of Dentistry", title = "Monomer-to-polymer conversion and micro-tensile bond strength to dentine of experimental and commercial adhesives containing diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide or a camphorquinone/amine photo-initiator system", volume = "41", number = "10", pages = "918-926", doi = "10.1016/j.jdent.2013.07.007" }
Miletić, V., Pongprueksa, P., de Munck, J., Brooks, N. R.,& Van Meerbeek, B.. (2013). Monomer-to-polymer conversion and micro-tensile bond strength to dentine of experimental and commercial adhesives containing diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide or a camphorquinone/amine photo-initiator system. in Journal of Dentistry Elsevier Sci Ltd, Oxford., 41(10), 918-926. https://doi.org/10.1016/j.jdent.2013.07.007
Miletić V, Pongprueksa P, de Munck J, Brooks NR, Van Meerbeek B. Monomer-to-polymer conversion and micro-tensile bond strength to dentine of experimental and commercial adhesives containing diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide or a camphorquinone/amine photo-initiator system. in Journal of Dentistry. 2013;41(10):918-926. doi:10.1016/j.jdent.2013.07.007 .
Miletić, Vesna, Pongprueksa, Pong, de Munck, Jan, Brooks, Neil R., Van Meerbeek, Bart, "Monomer-to-polymer conversion and micro-tensile bond strength to dentine of experimental and commercial adhesives containing diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide or a camphorquinone/amine photo-initiator system" in Journal of Dentistry, 41, no. 10 (2013):918-926, https://doi.org/10.1016/j.jdent.2013.07.007 . .