Non-Cochrane · intervention · PM41538498
Mechanical behavior of endocrown vs. post-and-crown: a systematic review and meta-regression analysis.
Fraga Sara, Balbinot Gabriela de Souza, Quadros Bruna Garcia, et al. · Brazilian dental journal · 2026 · PubMed · doi:10.1590/0103-644020256632
Findings
Population Endodontically treated teeth restored with endocrown or post-and-crown
26 findings
| Endocrown restoration | Post-and-crown restoration | Load-to-fracture (N) Laboratory (in vitro) · Type of restoration (final meta-regression model) | Meta-regression coefficient (N) -3.98 [-150.79, 142.82] GRADE not reported 25 studies · 804 participants |
| Anterior teeth | Posterior teeth | Load-to-fracture (N) Laboratory (in vitro) · Type of tooth | Meta-regression coefficient (N) -140.12 [-495.13, 214.88] GRADE not reported 25 studies · 804 participants |
| Ferrule not reported | No ferrule | Load-to-fracture (N) Laboratory (in vitro) · Ferrule: not reported vs no | Meta-regression coefficient (N) -124.57 [-826.75, 577.61] GRADE not reported 25 studies · 804 participants |
| Ferrule present | No ferrule | Load-to-fracture (N) Laboratory (in vitro) · Ferrule: yes vs no | Meta-regression coefficient (N) -111.34 [-284.78, 62.1] GRADE not reported 25 studies · 804 participants |
| Lithium disilicate | Feldspathic ceramic | Load-to-fracture (N) Laboratory (in vitro) · Restoration material: lithium disilicate | Meta-regression coefficient (N) -1119.06 [-1939.02, -299.09] GRADE not reported 25 studies · 804 participants |
| Metal restoration | Feldspathic ceramic | Load-to-fracture (N) Laboratory (in vitro) · Restoration material: metal | Meta-regression coefficient (N) -111.9 [-608.08, 384.27] GRADE not reported 25 studies · 804 participants |
| Zirconia | Feldspathic ceramic | Load-to-fracture (N) Laboratory (in vitro) · Restoration material: zirconia | Meta-regression coefficient (N) 66.5 [-197.45, 330.46] GRADE not reported 25 studies · 804 participants |
| Zirconia-reinforced lithium silicate | Feldspathic ceramic | Load-to-fracture (N) Laboratory (in vitro) · Restoration material: zirconia-reinforced lithium silicate | Meta-regression coefficient (N) -121.22 [-367.29, 124.84] GRADE not reported 25 studies · 804 participants |
| Leucite ceramic | Feldspathic ceramic | Load-to-fracture (N) Laboratory (in vitro) · Restoration material: leucite | Meta-regression coefficient (N) 1288.67 [-82.86, 2660.19] GRADE not reported 25 studies · 804 participants |
| Resin composite restoration | Feldspathic ceramic | Load-to-fracture (N) Laboratory (in vitro) · Restoration material: resin composite | Meta-regression coefficient (N) -41.72 [-265.27, 181.83] GRADE not reported 25 studies · 804 participants |
| Conventional resin cement for core | Conventional resin cement | Load-to-fracture (N) Laboratory (in vitro) · Luting agent: conventional resin cement for core | Meta-regression coefficient (N) 500.06 [-243.72, 1243.84] GRADE not reported 25 studies · 804 participants |
| Self-adhesive resin cement | Conventional resin cement | Load-to-fracture (N) Laboratory (in vitro) · Luting agent: self-adhesive resin cement | Meta-regression coefficient (N) 439.56 [52.77, 826.35] GRADE not reported 25 studies · 804 participants |
| Resin composite luting | Conventional resin cement | Load-to-fracture (N) Laboratory (in vitro) · Luting agent: resin composite | Meta-regression coefficient (N) 736.49 [112.19, 1360.79] GRADE not reported 25 studies · 804 participants |
| Mechanical cycling | No aging | Load-to-fracture (N) Laboratory (in vitro) · Aging: mechanical cycling | Meta-regression coefficient (N) 91.08 [-313.05, 495.21] GRADE not reported 25 studies · 804 participants |
| Thermocycling | No aging | Load-to-fracture (N) Laboratory (in vitro) · Aging: thermocycling | Meta-regression coefficient (N) -257.7 [-536.23, 20.83] GRADE not reported 25 studies · 804 participants |
| Thermomechanical cycling | No aging | Load-to-fracture (N) Laboratory (in vitro) · Aging: thermomechanical cycling | Meta-regression coefficient (N) -220.56 [-570.92, 129.81] GRADE not reported 25 studies · 804 participants |
| Load applied at 30 degrees | Load applied at 0 degrees | Load-to-fracture (N) Laboratory (in vitro) · Load angle: 30 degrees | Meta-regression coefficient (N) -992.88 [-1397.06, -588.7] GRADE not reported 25 studies · 804 participants |
| Load applied at 45 degrees | Load applied at 0 degrees | Load-to-fracture (N) Laboratory (in vitro) · Load angle: 45 degrees | Meta-regression coefficient (N) -1501.97 [-1915.07, -1088.87] GRADE not reported 25 studies · 804 participants |
| Load applied at 90 degrees | Load applied at 0 degrees | Load-to-fracture (N) Laboratory (in vitro) · Load angle: 90 degrees | Meta-regression coefficient (N) -1129.31 [-1515.68, -742.94] GRADE not reported 25 studies · 804 participants |
| Load applied at 60 degrees | Load applied at 0 degrees | Load-to-fracture (N) Laboratory (in vitro) · Load angle: 60 degrees | Meta-regression coefficient (N) -2994.27 [-4563.83, -1424.72] GRADE not reported 25 studies · 804 participants |
| Load speed not reported | Load speed 0.5 mm/min | Load-to-fracture (N) Laboratory (in vitro) · Load speed: not reported | Meta-regression coefficient (N) 33.58 [-363.9, 431.05] GRADE not reported 25 studies · 804 participants |
| Load speed 30 mm/min | Load speed 0.5 mm/min | Load-to-fracture (N) Laboratory (in vitro) · Load speed: 30 mm/min | Meta-regression coefficient (N) -741.5 [-1458.33, -24.67] GRADE not reported 25 studies · 804 participants |
| Load speed 1 mm/min | Load speed 0.5 mm/min | Load-to-fracture (N) Laboratory (in vitro) · Load speed: 1 mm/min | Meta-regression coefficient (N) -937.42 [-1579.33, -295.51] GRADE not reported 25 studies · 804 participants |
| Load speed 3 mm/min | Load speed 0.5 mm/min | Load-to-fracture (N) Laboratory (in vitro) · Load speed: 3 mm/min | Meta-regression coefficient (N) -3563.27 [-5968.27, -1158.27] GRADE not reported 25 studies · 804 participants |
| Later publication year (per year) | Earlier publication year | Load-to-fracture (N) Laboratory (in vitro) · Publication year (continuous) | Meta-regression coefficient (N) -89.13 [-156.24, -22.02] GRADE not reported 25 studies · 804 participants |
| Larger sample size (per unit) | Smaller sample size | Load-to-fracture (N) Laboratory (in vitro) · Sample size (continuous) | Meta-regression coefficient (N) -41.56 [-100.12, 17.0] GRADE not reported 25 studies · 804 participants |
Included primary studies 25
Open in Studies| Study | Year | Also included by | Outcomes it informs here | Trial data |
|---|---|---|---|---|
| Ahmed 2022 Fracture resistance of maxillary premolars restored with different endocrown designs and materials after artificial ageing. PMID:34108294 | 2022 | this review only | Load-to-fracture (N) | not extracted yet |
| Ahmed 2025 Effect of Preparation Depth on Fracture Resistance of Anterior Teeth Restored by Endocrowns and Post-retained Crowns - In Vitro Study. PMID:40960108 | 2025 | this review only | Load-to-fracture (N) | not extracted yet |
| Al Fodeh 2023 Fracture strength of endocrown maxillary restorations using different preparation designs and materials. PMID:37839334 | 2023 | this review only | Load-to-fracture (N) | not extracted yet |
| al-Fadhli 2021 matched by author and year (probable) | NR | this review only | Load-to-fracture (N) | not extracted yet |
| Atash 2017 Comparison of resistance to fracture between three types of permanent restorations subjected to shear force: An in vitro study. PMID:28936037 | 2017 | this review only | Load-to-fracture (N) | not extracted yet |
| Bankoglu Gungor 2017 Fracture strength of CAD/CAM fabricated lithium disilicate and resin nano ceramic restorations used for endodontically treated teeth. PMID:28111383 | 2017 | this review only | Load-to-fracture (N) | not extracted yet |
| Biacchi 2012 Comparison of fracture strength of endocrowns and glass fiber post-retained conventional crowns. PMID:21942234 | 2012 | this review only | Load-to-fracture (N) | not extracted yet |
| Chang 2009 Fracture resistance and failure modes of CEREC endo-crowns and conventional post and core-supported CEREC crowns DOI:10.1016/s1991-7902(09)60016-7 | 2009 | this review only | Load-to-fracture (N) | not extracted yet |
| de Kuijper 2019 Fracture Strength of Various Types of Large Direct Composite and Indirect Glass Ceramic Restorations. PMID:30702412 | 2019 | this review only | Load-to-fracture (N) | not extracted yet |
| El Ghoul 2019 Fracture resistance and failure modes of endocrowns manufactured with different CAD/CAM materials under axial and lateral loading. PMID:31067007 | 2019 | this review only | Load-to-fracture (N) | not extracted yet |
| Forberger 2008 Influence of the type of post and core on in vitro marginal continuity, fracture resistance, and fracture mode of lithia disilicate-based… PMID:18922255 | 2008 | this review only | Load-to-fracture (N) | not extracted yet |
| Guo 2016 A comparison of the fracture resistances of endodontically treated mandibular premolars restored with endocrowns and glass fiber post-core… PMID:28018567 | 2016 | this review only | Load-to-fracture (N) | not extracted yet |
| Hassouneh 2020 Post-fatigue fracture resistance of premolar teeth restored with endocrowns: An in vitro investigation. PMID:32628987 | 2020 | this review only | Load-to-fracture (N) | not extracted yet |
| Hofsteenge 2021 The Influence of Dentin Wall Thickness and Adhesive Surface in Post and Core Crown and Endocrown Restorations on Central and Lateral… PMID:33882135 | 2021 | this review only | Load-to-fracture (N) | not extracted yet |
| Kheder 2025 Fracture Resistance in Severely Damaged Central Incisors Restored with Two-restoration Techniques: An In Vitro Study DOI:10.2174/0118742106369913250218045152 | 2025 | this review only | Load-to-fracture (N) | not extracted yet |
| Lin 2010 Finite element and Weibull analyses to estimate failure risks in the ceramic endocrown and classical crown for endodontically treated… PMID:20156270 | 2010 | this review only | Load-to-fracture (N) | not extracted yet |
| Lin 2011 Evaluation of failure risks in ceramic restorations for endodontically treated premolar with MOD preparation. PMID:21227485 | 2011 | this review only | Load-to-fracture (N) | not extracted yet |
| Maravic 2022 Finite element and in vitro study on biomechanical behavior of endodontically treated premolars restored with direct or indirect composite… PMID:35879388 | 2022 | this review only | Load-to-fracture (N) | not extracted yet |
| Mohamed 2025 Fracture Resistance of Anterior Teeth Restored with Post-retained Ceramic Crown vs Ceramic Endocrowns. PMID:39905611 | 2024 | this review only | Load-to-fracture (N) | not extracted yet |
| Rayyan 2019 Endocrowns versus post-core retained crowns for restoration of compromised mandibular molars: an in vitro study. PMID:30848253 | 2019 | this review only | Load-to-fracture (N) | not extracted yet |
| Satheesh 2025 Comparative Evaluation of Fracture Resistance and Failure Modes in Endodontically Treated Teeth Restored With Zirconia-Reinforced Lithium… PMID:39974212 | 2025 | this review only | Load-to-fracture (N) | not extracted yet |
| Schmidlin 2015 Fracture resistance of endodontically treated teeth without ferrule using a novel H-shaped short post. PMID:25191670 | 2015 | this review only | Load-to-fracture (N) | not extracted yet |
| Silva-Sousa 2020 Effect of restorative treatment with endocrown and ferrule on the mechanical behavior of anterior endodontically treated teeth: An in… PMID:32829166 | 2020 | this review only | Load-to-fracture (N) | not extracted yet |
| Souza 2022 Fracture strength and failure load of CAD/CAM fabricated endocrowns performed with different designs DOI:10.20396/bjos.v22i00.8667338 | 2022 | this review only | Load-to-fracture (N) | not extracted yet |
| Uzun 2024 In-vitro comparison of fracture resistance of CAD/CAM porcelain restorations for endodontically treated molars. PMID:39369196 | 2024 | this review only | Load-to-fracture (N) | not extracted yet |
Review question
| Element | Planned (methods) | Found (results) |
|---|---|---|
| Population | Endodontically treated teeth | Endodontically treated human teeth (n=804 teeth; 90 experimental groups); molars and premolars (17 studies) and anterior teeth (8 studies) |
| Intervention | Endocrown restoration | Endocrown restoration (n=25 studies) |
| Comparison | Post-and-crown restoration | Post-and-crown restoration (n=25 studies) |
| Outcomes | Load-to-fracture | Load-to-fracture in N (n=25 studies) |
| Study designs | In vitro studies (artificial teeth and finite element only studies excluded) | In vitro studies (n=25) |
| Timing | Not specified | Not specified |