Effects of printing orientation and artificial ageing on martens hardness and indentation modulus of 3D printed restorative resin materials

被引:9
作者
Mudhaffer, Shaymaa [1 ,2 ,4 ]
Althagafi, Rana [2 ]
Haider, Julfikar [1 ,3 ]
Satterthwaite, Julian [1 ]
Silikas, Nick [1 ]
机构
[1] Univ Manchester, Sch Med Sci, Div Dent, Manchester, England
[2] Taibah Univ, Coll Dent, Substitut Dent Sci, Madinah, Saudi Arabia
[3] Manchester Metropolitan Univ, Dept Engn, Manchester, England
[4] Univ Manchester, Sch Med Sci, Div Dent, Coupland Bldg 3,Oxford Rd, Manchester M13 9PL, England
关键词
Resin composite; Dental restorative material; 3D printing; Martens hardness; Indentation modulus; Artificial ageing; Temporary resin; Definitive; resin; MECHANICAL-PROPERTIES; MONOMER ELUTION; BULK-FILL; FLEXURAL STRENGTH; WATER; COMPOSITES; STORAGE; DEGRADATION; DIRECTION; POLYMERS;
D O I
10.1016/j.dental.2024.05.005
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Background: Three-dimensional (3D) printing is increasingly used to fabricate dental restorations due to its enhanced precision, consistency and time and cost-saving advantages. The properties of 3D-printed resin materials can be influenced by the chosen printing orientation which can impact the mechanical characteristics of the final products. Purpose: The objective of this study was to evaluate the influence of printing orientation and artificial ageing on the Martens hardness (HM) and indentation modulus (EIT) of 3D-printed definitive and temporary dental restorative resins. Methods: Disk specimens (20 mm diameter x 2 mm height) were additively manufactured in three printing orientations (0 degrees, 45 degrees, 90 degrees) using five 3D-printable resins: VarseoSmile Crownplus (VCP), Crowntec (CT), Nextdent C&B MFH (ND), Dima C&B temp (DT), and GC temp print (GC). The specimens were printed using a DLP 3D-printer (ASIGA MAX UV), while LavaTM Ultimate (LU) and Telio CAD (TC) served as milled control materials. Martens hardness (HM) and indentation modulus (EIT) were tested both before and after storage in distilled water and artificial saliva for 1, 30, and 90 days at 37 degrees C. Results: 90 degrees printed specimens exhibited higher HM than the other orientations at certain time points, but no significant differences were observed in HM and EIT between orientations for all 3D-printed materials after 90 days of ageing in both aging media. LU milled control material exhibited the highest HM and EIT among the tested materials, while TC, the other milled control, showed similar values to the 3D printed resins. CT and VCP (definitive resins) and ND displayed higher Martens parameters compared to DT and GC (temporary resins). The hardness of the 3D-printed materials was significantly impacted by artificial ageing compared to the controls, with ND having the least hardness reduction percentage amongst all 3D-printed materials. The hardness reduction percentage in distilled water and artificial saliva was similar for all materials except for TC, where higher reduction was noted in artificial saliva. Significance: The used 3D printed resins cannot yet be considered viable alternatives to milled materials intended for definitive restorations but are preferable for use as temporary restorations.
引用
收藏
页码:1003 / 1014
页数:12
相关论文
共 94 条
[1]   Development of 3D printed dental resin nanocomposite with graphene nanoplatelets enhanced mechanical properties and induced drug-free antimicrobial activity [J].
Aati, Sultan ;
Chauhan, Amandeep ;
Shrestha, Barsha ;
Rajan, Sheetal Maria ;
Aati, Hanan ;
Fawzy, Amr .
DENTAL MATERIALS, 2022, 38 (12) :1921-1933
[2]   Surface and bulk properties of dental resin composites after solvent storage [J].
Al Sunbul, Hanan ;
Silikas, Nick ;
Watts, David C. .
DENTAL MATERIALS, 2016, 32 (08) :987-997
[3]   Long-term hydrolytic stability of CAD/CAM composite blocks [J].
Alamoush, Rasha A. ;
Salim, Nisreen A. ;
Silikas, Nick ;
Satterthwaite, Julian D. .
EUROPEAN JOURNAL OF ORAL SCIENCES, 2022, 130 (01)
[4]   The effect of different storage media on the monomer elution and hardness of CAD/CAM composite blocks [J].
Alamoush, Rasha A. ;
Sung, Rehana ;
Satterthwaite, Julian D. ;
Silikas, Nick .
DENTAL MATERIALS, 2021, 37 (07) :1202-1213
[5]   Effect of 3D printing direction and water storage on nano-mechanical properties of 3D printed and auto-polymerized polymer with special emphasis on printing layer interface [J].
Alaqeel, Samer M. ;
Ramakrishnaiah, Ravikumar ;
Basavaraju, Ravi M. ;
Kotha, Sunil Babu ;
Durgesh, Bangalore H. ;
Vallittu, Pekka K. .
MATERIALS EXPRESS, 2019, 9 (04) :351-357
[6]   Advancements in CAD/CAM technology: Options for practical implementation [J].
Alghazzawi, Tariq F. .
JOURNAL OF PROSTHODONTIC RESEARCH, 2016, 60 (02) :72-84
[7]  
Alharbi NAB, 2020, Physico mechanical characterisation of a novel and commercial CAD/CAM composite blocks
[8]   Factors Influencing the Dimensional Accuracy of 3D-Printed Full-Coverage Dental Restorations Using Stereolithography Technology [J].
Alharbi, Nawal ;
Osman, Reham B. ;
Wismeijer, Daniel .
INTERNATIONAL JOURNAL OF PROSTHODONTICS, 2016, 29 (05) :503-510
[9]   Effects of build direction on the mechanical properties of 3D-printed complete coverage interim dental restorations [J].
Alharbi, Nawal ;
Osman, Reham ;
Wismeijer, Daniel .
JOURNAL OF PROSTHETIC DENTISTRY, 2016, 115 (06) :760-767
[10]  
Alrobeigy N., 2017, TANTA DENT J, V14, P129, DOI [10.4103/tdj.tdj_11_17, DOI 10.4103/TDJ.TDJ_11_17]