Antimicrobial and Remineralizing Composites for Class V Restorations
用于 V 级修复的抗菌和再矿化复合材料
基本信息
- 批准号:10291448
- 负责人:
- 金额:$ 39.8万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-10-23 至 2021-12-03
- 项目状态:已结题
- 来源:
- 关键词:AcidsAddressAdhesivenessAdhesivesAdultAffectAnimalsAntimicrobial EffectBiologicalBiomimeticsCalciumCellsChemicalsChemistryClinicalClinical TreatmentClinical TrialsComposite ResinsCouplingDentalDental EnamelDental MaterialsDental cariesDental crownsDentinDiseaseElderlyEndodonticsEnvironmentEvaluationExhibitsFillerFluoridesFormulationGenerationsGlass Ionomer CementsGoalsHealthHigh PrevalenceImmobilizationInterdisciplinary StudyIonsLeadMammalian CellMechanicsMineralsNMR SpectroscopyNational Institute of Dental and Craniofacial ResearchOralOrthodonticParticle SizePerformancePeriodontiumPhasePit and Fissure SealantsPlant ResinsPolymersPopulationPrevalenceProceduresPropertyProtonsPsychological reinforcementRandomized Clinical TrialsReactionRegimenRepair MaterialResearchRoot CariesSalivaryScientistSolidSpectroscopy, Fourier Transform InfraredStructureSurfaceSystemTechnologyTestingThermodynamicsThinnessTooth regenerationTooth structureToxic effectValidationantimicrobialantimicrobial drugbasebiomaterial compatibilitycalcium phosphatechemical propertycombatcopolymercrosslinkcytotoxicitydemineralizationdesignexperienceflexibilityimprovedmechanical propertiesmicrobialmineralizationmonomerneglectnovel strategiesnucleophilic substitutionphysical propertypolymerization shrinkagepolymerization stresspreventprototyperemineralizationresponserestorationstemtissue repairtooltreatment strategy
项目摘要
Abstract
In its recent RFA-DE-16-007, the NIDCR emphasizes a need for new studies on Class V restoratives with the
ultimate goal to develop new approaches/materials that would outperform glass ionomer cements (GICs) and/or resin-
modified GICs, currently most frequently used for these restorations. The RFA calls for interdisciplinary research that
would address the specific concerns stemming from generally deteriorated health of elderly population with reduced
salivary flow and compromised periodontium. Our group has been on the fore-front of the research on polymeric,
bioactive remineralizing dental materials based on amorphous calcium phosphate (ACP) for two decades. We have
already successfully designed ACP polymeric materials capable of efficiently restoring lost tooth mineral via sustained
release of calcium (Ca) and phosphate (PO4) ions. These materials were intended for base/lining, orthodontic and
endodontic applications.
In this submission, we propose to develop new, antimicrobial (AM) and remineralizing ACP composites which will
physico-chemically, mechanically and biologically outperform the conventional Class V restoratives. We will build upon
our understanding of ACP chemistry and solution thermodynamics as well as remineralizing ACP polymeric systems. We
will add the AM functionality to ACP composites to make them a polyvalent tool for combating root caries. For that
purpose, we will synthesize new AM monomers and fine-tune the resins to improve the polymerization shrinkage and
control polymerization stress while attaining high degrees of vinyl conversion, minimize leachability of the unreacted
monomers and/or degradation products and enhance bonding to dentin. The overall working hypothesis is that a
concomitant, long-term AM and remineralizing function is attainable without impeding the critical physicochemical,
mechanical and biological properties of composites. This hypothesis will be tested through the following Specific Aims
(SAs): SA1 - Synthesis and validation of new AM monomers; SA2 - Synthesis and characterization of ACP filler; SA3 -
Formulation, biocompatibility, physicochemical and mechanical evaluation of copolymers and composites; SA4 - AM
activity of resins and composites, and SA5 - Remineralizing efficacy of composites. The proposed research will yield a
prototype AM ACP composite for Class V restorations recommendable for testing in an animal study and/or clinical trial.
抽象的
在最近的 RFA-DE-16-007 中,NIDCR 强调需要对 V 类修复剂进行新研究
最终目标是开发优于玻璃离子水门汀(GIC)和/或树脂的新方法/材料-
改良的 GIC,目前最常用于这些修复。 RFA 呼吁进行跨学科研究
将解决因老年人健康状况普遍恶化而产生的具体问题,并减少
唾液流动和牙周组织受损。我们课题组一直处于高分子材料研究的前沿,
基于无定形磷酸钙 (ACP) 的生物活性再矿化牙科材料已有二十年历史。我们有
已经成功设计出 ACP 聚合物材料,能够通过持续有效地恢复丢失的牙齿矿物质
释放钙(Ca)和磷酸盐(PO4)离子。这些材料用于基底/衬里、正畸和
牙髓病应用。
在本申请中,我们建议开发新型抗菌 (AM) 和再矿化 ACP 复合材料,该复合材料将
在物理化学、机械和生物学方面均优于传统的 V 类修复剂。我们将在此基础上
我们对 ACP 化学和溶液热力学以及再矿化 ACP 聚合物系统的了解。我们
将为 ACP 复合材料添加增材制造功能,使其成为对抗根龋的多价工具。为此
为此,我们将合成新的AM单体并对树脂进行微调,以改善聚合收缩率和
控制聚合应力,同时获得高乙烯基转化率,最大限度地减少未反应物的浸出率
单体和/或降解产物并增强与牙本质的粘合。总体工作假设是
可以实现伴随的长期 AM 和再矿化功能,而不会妨碍关键的理化作用,
复合材料的机械和生物性能。该假设将通过以下具体目标进行检验
(SA):SA1 - 新 AM 单体的合成和验证; SA2——ACP填料的合成与表征; SA3-
共聚物和复合材料的配方、生物相容性、物理化学和机械评估; SA4-上午
树脂和复合材料的活性,以及 SA5 - 复合材料的再矿化功效。拟议的研究将产生
用于 V 级修复体的原型 AM ACP 复合材料,建议在动物研究和/或临床试验中进行测试。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
An Oral-mucosa-on-a-chip sensitively evaluates cell responses to dental monomers.
- DOI:10.1007/s10544-021-00543-6
- 发表时间:2021-01-11
- 期刊:
- 影响因子:2.8
- 作者:Ly KL;Rooholghodos SA;Rahimi C;Rahimi B;Bienek DR;Kaufman G;Raub CB;Luo X
- 通讯作者:Luo X
Bioactive Polymeric Materials for Tissue Repair.
- DOI:10.3390/jfb8010004
- 发表时间:2017-01-26
- 期刊:
- 影响因子:4.8
- 作者:Bienek DR;Tutak W;Skrtic D
- 通讯作者:Skrtic D
Utility of Amorphous Calcium Phosphate-Based Scaffolds in Dental/Biomedical Applications.
- DOI:
- 发表时间:2017
- 期刊:
- 影响因子:0
- 作者:D. Bienek;D. Škrtić
- 通讯作者:D. Bienek;D. Škrtić
Polymeric dental composites based on remineralizing amorphous calcium phosphate fillers.
基于再矿化无定形磷酸钙填料的聚合物牙科复合材料。
- DOI:
- 发表时间:2016
- 期刊:
- 影响因子:0
- 作者:Skrtic,Drago;Antonucci,JosephM
- 通讯作者:Antonucci,JosephM
Ionic Dimethacrylates for Antimicrobial and Remineralizing Dental Composites.
- DOI:
- 发表时间:2018-05
- 期刊:
- 影响因子:0
- 作者:D. Bienek;Stanislav A. Frukhtbeyn;A. Giuseppetti;U. Okeke;R. M. Pires;J. Antonucci;D. Škrtić
- 通讯作者:D. Bienek;Stanislav A. Frukhtbeyn;A. Giuseppetti;U. Okeke;R. M. Pires;J. Antonucci;D. Škrtić
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