Provisional Restorations

Perdigão, Jorge; Gomes, Gilberto

doi:10.1007/978-3-319-15401-5_10

Cited by 2 publications

(4 citation statements)

References 39 publications

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“…Princ. Stress (MPa) Enamel 40.1 MPa 26 261 MPa 26 32.7 −152.9 39 −73 Dentin 49.8 MPa 26 233.5 MPa 26 40.6 −78.8 37 −48 Composite 72 MPa 27 439 MPa 27 39.4 −85.1 55 −80 Cir. Fiber 49.43 MPa 28 190.47 MPa 29 19.8 −48.5 18 −19 Base Fiber 49.43 MPa 28 190.47 MPa 29 26.9 −29.3 22 −27 Abbreviations : Max.…”

Section: Resultsmentioning

confidence: 99%

“…Princ. Stress (MPa) Enamel 40.1 MPa 26 261 MPa 26 29.8 −144.9 34.1 −99.6 Dentin 49.8 MPa 26 233.5 MPa 26 39.8 −95.3 36.6 −48 Composite 72 MPa 27 439 MPa 27 68.3 −112.2 55.8 −100.1 Cir. Fiber 26.6 MPa 30 90.32 MPa 31 38.1 −28.5 21.1 −19.5 Base Fiber 26.6 MPa 30 90.32 MPa 31 31.9 −139.4 51.9 −74.6 Abbreviations : Max.…”

Section: Resultsmentioning

confidence: 99%

“…The most effective fiber geometry and orientation is placed on the part that is affected by the tensile force, when the fiber position is horizontal (perpendicular to the force), it is more efficient than the vertical position (parallel to the force). 26 , 45 , 46 The thickness of fiber would impact the resistance and durability of the restoration. 46 The thickness of polyethylene and e-glass fibers is 0.18 mm and 0.1 mm, the difference in thickness will have an impact on the volume and affect the stress of the restoration.…”

Section: Discussionmentioning

confidence: 99%

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Stress Analysis on Mesiolingual Cavity of Endodontically Treated Molar Restored Using Bidirectional Fiber-Reinforced Composite (Wallpapering Technique)

Neri,

Aripin,

Muryani

et al. 2024

CCIDE

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Introduction: Endodontically treated teeth (ETT) undergo extensive structure change and experience high stress during biomechanical function. Stress distribution is influenced by the restoration material and the type of bond between material and tooth structure. The selection of materials that can distribute stress will affect the resistance and retention of ETT to mastication forces, thus biomechanical functions were achieved. Composite has mechanical properties similar to dentin, it can transmit and distribute stresses throughout the tooth surface. The disadvantage of composites in large cavities is their lack of toughness. The addition of fiber to composites can increase their toughness.Purpose: This research is to determine the stress distribution of a fiber-reinforced composite made of polyethylene and e-glass on the mesiolingual cavity of ETT. Materials and Methods: A three-dimensional model of the mandibular molar was prepared for cavity preparation and the formation of restorations using SolidWorks 2021. The models were analyzed with Abaqus 2020 to determine stress concentrations after given vertical and oblique loading. Results: The maximum and minimum principal stress data were obtained to assess material resistance and interfacial damage criterion. Polyethylene fiber shows a more homogeneous stress distribution because the modulus of elasticity is close to the dentin and has a thickness that can reduce the volume of the composite. The E-glass shows the stress concentration on the circumferential fiber and cavity floor. Conclusion:The stress distribution of fiber-reinforced composite on the buccolingual cavity of ETT using the finite element method did not show structural failure in the polyethylene group because the maximum and minimum principal stresses were lower than the strength of the material. Interfacial bond failure occurs at the enamel portion. The maximum and minimum principal values of e-glass indicate structural failure in the circumferential fiber and the base fiber because the stress exceeds the strength of the material. Interfacial bond failure occurred on the circumferential and the cavity floor.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Stress Analysis on Mesiolingual Cavity of Endodontically Treated Molar Restored Using Bidirectional Fiber-Reinforced Composite (Wallpapering Technique)

Neri,

Aripin,

Muryani

et al. 2024

CCIDE

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“…In determining restoration of endodontically teeth, it is necessary to consider several factors, such as the remaining dental tissue, the position of the teeth in the oral cavity, aesthetic needs, and the occlusal load received by the teeth. The selection of appropriate restoration materials and techniques is determined by the health of the remaining tooth structure, which in turns, will influence the prognosis [14,15] The preparation of the post space requires a detailed knowledge and radiographic evaluation of the root canal anatomy. It should be as minimal as possible with respect to length and width in order to avoid perforation of the root.…”

Section: Discussionmentioning

confidence: 99%

Management of Ellis Class III Fracture in Two Maxillary Incisivus

Sari

Ratih

Santosa

2020

JBBBE

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Introduction. Trauma injury in the oral cavity due to collisions can cause tooth fracture. Ellis class III fracture is a fracture of the crown with an open pulp. Teeth with exposed pulp will cause irritation of the pulp resulting in pulp inflammation (pulpitis). One visit pulpectomy and jacket crown with posts were carried out to achieve optimal dental functions. Case report. A 27-year-old male patient came to Dental Hospital of Universitas Gadjah Mada complained about his broken front teeth due to accident three days earlier. The crown of the maxillary right lateral incisor and the maxillary left central incisor with open pulp was seen. The tooth 11 was avulsion, which lost at the location of accident. The diagnosis of 12 and 21 were Ellis class III fracture. Initially an infiltration anaesthesia was done, followed by one visit root canal treatment (RCT). On the second visit, the teeth were asymptomatic, hence the jacket crown preparation and fiber post insertion were performed. On the third visit, a porcelain jacket crown was cemented into teeth 12 and 21. A week later the patient came for recall and no complaints were noted. Conclusion. One visit pulpectomy followed by restoration with porcelain crown and fiber posts can be undertaken to achieve the optimal functions of teeth, namely aesthetic, mastication, phonetics, and protection of supporting tissues function.

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Provisional Restorations

Cited by 2 publications

References 39 publications

Stress Analysis on Mesiolingual Cavity of Endodontically Treated Molar Restored Using Bidirectional Fiber-Reinforced Composite (Wallpapering Technique)

Stress Analysis on Mesiolingual Cavity of Endodontically Treated Molar Restored Using Bidirectional Fiber-Reinforced Composite (Wallpapering Technique)

Management of Ellis Class III Fracture in Two Maxillary Incisivus

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