Optical properties of repaired additively manufactured resin composites and zirconia and subtractively manufactured ceramics: a comparative study of composite resins
Abstract Objective This study aims to examine color properties of repairs made with various composites on restorations produced through additive-manufactured resin composites (AM-RC) and zirconia (AM-Z) or subtractive manufacturing (SM) after coffee thermocycling (CTC). Materials and methods Disk-sh...
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2025-01-01
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| Series: | BMC Oral Health |
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| Online Access: | https://doi.org/10.1186/s12903-025-05538-w |
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| author | Esma Çağlayan Rafat Sasany Burcu Naz Bolat Didar Hartavi Oyun-Erdene Batgerel Sultan Merve Ucar Dilara Gülhan Umurca |
| author_facet | Esma Çağlayan Rafat Sasany Burcu Naz Bolat Didar Hartavi Oyun-Erdene Batgerel Sultan Merve Ucar Dilara Gülhan Umurca |
| author_sort | Esma Çağlayan |
| collection | DOAJ |
| description | Abstract Objective This study aims to examine color properties of repairs made with various composites on restorations produced through additive-manufactured resin composites (AM-RC) and zirconia (AM-Z) or subtractive manufacturing (SM) after coffee thermocycling (CTC). Materials and methods Disk-shaped specimens (Ø10 × 2 mm; N = 120) were fabricated using six different material groups: additively manufactured resin composite (AM-RC) materials (Crowntec [C], NextDent [ND]), additively manufactured zirconia (AM-Z) materials (Lithoz [LI], INNI-Cera [IN]), and subtractively manufactured (SM) materials (CEREC Tessera [ALD], Vita Enamic [EN]). Subsequently, each group was further subdivided into two subgroups (n = 10) based on the type of repair using two different composites resins: Clearfil Majesty Posterior (CL) (n = 60) and Filtek Z350 (FZ) (n = 60). Specimens underwent thermal cycling (CTC), consisting of 10,000 cycles between 5 °C and 55 °C. Color measurements were performed both before and after thermal cycling for all materials. Color discrepancies (ΔE00) and relative translucency parameters (RTPs) were calculated. Statistical analyses were conducted at a significance level of α = 0.05. Results A one-way ANOVA of ΔE00 values between CL and FZ revealed a significant difference (P = 0.007), with FZ exhibiting higher ΔE00 values. Significant differences in ΔE00 values were also observed among IN, C, and ND after CTC (P < 0.05). ALD demonstrated the lowest amount color change (P < 0.05). LI and EN colors showed no significant difference (P = 0.75). Following CTC, C, ND, and IN colors matched CL. In contrast, ALD, EN, and L colors exhibited significant differences (P ≤ 0.050). FZ showed a poor color match with all AM and SM materials. Furthermore, significant differences in RTP values were identified for all specimens (P < 0.001), with LI having the highest RTP and IN the lowest (P < 0.001). Conclusion The optical properties of composite and ceramic materials, as well as their stability over time, are crucial for their durability. ALD demonstrated the most consistent color stability. While the CL repair composites experienced some color changes, these changes remained within acceptable limits. Additionally, the LI (AM-Z) material exhibited the highest level of translucency. |
| format | Article |
| id | doaj-art-dfa81b14d15b46e1bf7dfa7111f7d127 |
| institution | Kabale University |
| issn | 1472-6831 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | BMC |
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| series | BMC Oral Health |
| spelling | doaj-art-dfa81b14d15b46e1bf7dfa7111f7d1272025-02-02T12:45:27ZengBMCBMC Oral Health1472-68312025-01-012511910.1186/s12903-025-05538-wOptical properties of repaired additively manufactured resin composites and zirconia and subtractively manufactured ceramics: a comparative study of composite resinsEsma Çağlayan0Rafat Sasany1Burcu Naz Bolat2Didar Hartavi3Oyun-Erdene Batgerel4Sultan Merve Ucar5Dilara Gülhan Umurca6Bafra Oral and Dental Health HospitalDepartment of Prosthodontics, Faculty of Dentistry, Biruni UniversityDepartment of Prosthodontics, Faculty of Dentistry, Biruni UniversityDepartment of Restorative Dentistry, Faculty of Dentistry, Istanbul UniversityDepartment of Restorative Dentistry, Faculty of Dentistry, Biruni UniversityDepartment of Prosthodontics, Faculty of Dentistry, Gelisim UniversityDepartment of Orthodontics, Faculty of Dentistry, Biruni UniversityAbstract Objective This study aims to examine color properties of repairs made with various composites on restorations produced through additive-manufactured resin composites (AM-RC) and zirconia (AM-Z) or subtractive manufacturing (SM) after coffee thermocycling (CTC). Materials and methods Disk-shaped specimens (Ø10 × 2 mm; N = 120) were fabricated using six different material groups: additively manufactured resin composite (AM-RC) materials (Crowntec [C], NextDent [ND]), additively manufactured zirconia (AM-Z) materials (Lithoz [LI], INNI-Cera [IN]), and subtractively manufactured (SM) materials (CEREC Tessera [ALD], Vita Enamic [EN]). Subsequently, each group was further subdivided into two subgroups (n = 10) based on the type of repair using two different composites resins: Clearfil Majesty Posterior (CL) (n = 60) and Filtek Z350 (FZ) (n = 60). Specimens underwent thermal cycling (CTC), consisting of 10,000 cycles between 5 °C and 55 °C. Color measurements were performed both before and after thermal cycling for all materials. Color discrepancies (ΔE00) and relative translucency parameters (RTPs) were calculated. Statistical analyses were conducted at a significance level of α = 0.05. Results A one-way ANOVA of ΔE00 values between CL and FZ revealed a significant difference (P = 0.007), with FZ exhibiting higher ΔE00 values. Significant differences in ΔE00 values were also observed among IN, C, and ND after CTC (P < 0.05). ALD demonstrated the lowest amount color change (P < 0.05). LI and EN colors showed no significant difference (P = 0.75). Following CTC, C, ND, and IN colors matched CL. In contrast, ALD, EN, and L colors exhibited significant differences (P ≤ 0.050). FZ showed a poor color match with all AM and SM materials. Furthermore, significant differences in RTP values were identified for all specimens (P < 0.001), with LI having the highest RTP and IN the lowest (P < 0.001). Conclusion The optical properties of composite and ceramic materials, as well as their stability over time, are crucial for their durability. ALD demonstrated the most consistent color stability. While the CL repair composites experienced some color changes, these changes remained within acceptable limits. Additionally, the LI (AM-Z) material exhibited the highest level of translucency.https://doi.org/10.1186/s12903-025-05538-wColor propertiesIntraoral repairPrintable zirconiaAdditive manufacturingSubtractive manufacturing |
| spellingShingle | Esma Çağlayan Rafat Sasany Burcu Naz Bolat Didar Hartavi Oyun-Erdene Batgerel Sultan Merve Ucar Dilara Gülhan Umurca Optical properties of repaired additively manufactured resin composites and zirconia and subtractively manufactured ceramics: a comparative study of composite resins BMC Oral Health Color properties Intraoral repair Printable zirconia Additive manufacturing Subtractive manufacturing |
| title | Optical properties of repaired additively manufactured resin composites and zirconia and subtractively manufactured ceramics: a comparative study of composite resins |
| title_full | Optical properties of repaired additively manufactured resin composites and zirconia and subtractively manufactured ceramics: a comparative study of composite resins |
| title_fullStr | Optical properties of repaired additively manufactured resin composites and zirconia and subtractively manufactured ceramics: a comparative study of composite resins |
| title_full_unstemmed | Optical properties of repaired additively manufactured resin composites and zirconia and subtractively manufactured ceramics: a comparative study of composite resins |
| title_short | Optical properties of repaired additively manufactured resin composites and zirconia and subtractively manufactured ceramics: a comparative study of composite resins |
| title_sort | optical properties of repaired additively manufactured resin composites and zirconia and subtractively manufactured ceramics a comparative study of composite resins |
| topic | Color properties Intraoral repair Printable zirconia Additive manufacturing Subtractive manufacturing |
| url | https://doi.org/10.1186/s12903-025-05538-w |
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