Biomechanical Analysis of Endodontically Treated Teeth
Summary
Biomechanical analysis of endodontically treated teeth encompasses the study of how root canal therapy and subsequent restorative procedures alter the mechanical behaviour, stress distribution and failure patterns of treated teeth. The removal of pulp tissue and canal instrumentation reduce dentine rigidity, heightening the risk of fracture under functional loads. Restoration strategies centre on balancing the preservation of remnant dentine with the selection of an appropriate post–core system, adhesive protocol and ferrule design to optimise load transfer and minimise stress concentrations. Finite element analysis (FEA) and in vitro fracture resistance tests have elucidated the influence of post material stiffness, cement layer thickness and post geometry on tooth survival. Complementary microscopic and radiographic assessments of cement adaptation and microgap formation inform improvements in adhesive integrity. Recent advances in CAD/CAM-fabricated posts, high-performance polymers and short-fibre composites aim to mimic the natural tooth’s mechanical properties and create a monoblock restoration that distributes occlusal forces more uniformly. This integrated experimental and computational research underpins clinical guidelines for minimally invasive preparation, material selection and restoration design, with the ultimate goal of extending the longevity of endodontic restorations and preserving natural dentition worldwide.
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Biomechanical Analysis of Endodontically Treated Teeth publication trend
The graph below shows the total number of articles in biomechanical analysis of endodontically treated teeth across all publications each year (not limited to Nature Index journals).
Technical terms
Finite element analysis (FEA): A computational method that divides a structure into discrete elements to simulate stress and strain under load.
Ferrule: A circumferential band of tooth tissue above the crown margin that reinforces the tooth and reduces fracture risk.
Fibre-reinforced composite (FRC): A restorative material in which fibres are embedded in a resin matrix to enhance mechanical properties.
Remnant dentin thickness: The remaining dentine wall thickness after canal preparation, critical to fracture resistance.
Von Mises stress: A scalar value used in FEA to predict yielding of materials under complex loading.
References
- The Influence on Fracture Resistance of Different Composite Resins and Prefabricated Posts to Restore Endodontically Treated Teeth. Polymers (2023).
- A study on stress distribution to cement layer and root dentin for post and cores made of CAD/CAM materials with different elasticity modulus in the absence of ferrule. Journal of Clinical and Experimental Dentistry (2019).
- Biomechanical Evaluation of a Tooth Restored with High Performance Polymer PEKK Post‐Core System: A 3D Finite Element Analysis. BioMed Research International (2017).
- Fracture resistance and marginal gap formation of post-core restorations: influence of different fiber-reinforced composites. Clinical Oral Investigations (2019).
- How biomechanics can affect the endodontic treated teeth and their restorative procedures?. Brazilian Oral Research (2018).
- Present status and future directions: The restoration of root filled teeth. International Endodontic Journal (2022).
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