Application of Various Sealing Materials and Adhesive Systems in Extracorporeal Pit and Fissure Sealing

Ni ZHOU; Juan LIU; Chang-hai LYU

doi:10.12259/j.issn.2095-610X.S20210317

Volume 42 Issue 3

Apr. 2021

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Ni ZHOU, Juan LIU, Chang-hai LYU. Application of Various Sealing Materials and Adhesive Systems in Extracorporeal Pit and Fissure Sealing[J]. Journal of Kunming Medical University, 2021, 42(3): 61-66. doi: 10.12259/j.issn.2095-610X.S20210317

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Ni ZHOU, Juan LIU, Chang-hai LYU. Application of Various Sealing Materials and Adhesive Systems in Extracorporeal Pit and Fissure Sealing[J]. Journal of Kunming Medical University, 2021, 42(3): 61-66. doi: 10.12259/j.issn.2095-610X.S20210317

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Application of Various Sealing Materials and Adhesive Systems in Extracorporeal Pit and Fissure Sealing

doi: 10.12259/j.issn.2095-610X.S20210317

Dept. of Preventive and Pediatric Dentistry，The Affiliated Dental Hospital of Kunming Medical University，Kunming Yunnan 650031，China

Received Date: 2020-12-08
Publish Date: 2021-04-09

Abstract

Abstract

Objective To evaluate marginal integrity and microleakage of resin-based sealant, flowable composite resin, compomer and glass ionomer cement combined with certain adhesive systems, in order to explore a more convenient, effective and time-saving approach which intends to be applied in less developed areas. Methods 65 maxillary premolar teeth were kept in artificial saliva, pits and fissures were cleaned by ART equipments. The samples were allocated into 5 groups randomly: （A） phosphoric acid etching + Concise （control）; （B） Adper^TM Easy One + Concise; （C） Adper^TM Easy One + Filtek^TM Z350XT flowable resin; （D） Adper^TM Easy One + Dyract Extra compomer; and （E） GC Fuji VII. The pit and fissure sealant were applied, and the operation time was recorded in vitro. After thermocycling, specimens were evaluated by scanning electron microscope and stereomicroscope. Results i） All the groups showed various level of microleakage; ii） Group B and C showed similar microleakage as compared with the control group, while their operation time were shorter than that of the control group （P < 0.05）; iii） Group D and E showed greater microleakage than other groups （P < 0.05）; iv） No shedding of sealing materials during teeth cutting in Group D. Conclusions Resin-based sealant and flowable composite resin combined with self-etching adhesive system has advantages of operative convenience and effectiveness. Dyract Extra compomer has better abrasion resistance.
- Pit and fissure sealant,
- Sealing materials,
- Adhesive system,
- Marginal integrity,
- Microleakage

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References(15)

References

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