Fracture Resistance of Computer-Aided Design/Computer-Assisted Manufactured Glass-Ceramic Incisor Crowns Fabricated on Reverse-Tapered Preparations

Mejía, Jeison B. Carbajal; Wakabayashi, Keiji; Nakamura, Takashi; Yatani, Hirofumi

doi:10.11607/ijp.5831

Cited by 1 publication

(3 citation statements)

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“… 1 For this purpose, several chelating solutions are used, especially before the intracanal medication and the root canal filling. 2 The most widely used chelating agent is 17% EDTA, which acts on the inorganic portion of the dentin, exposing the dentin tubules. 15 On the other hand, this solution does not provide antimicrobial potential and may lead to intracanal dentin erosion.…”

Section: Discussionmentioning

confidence: 99%

“… 1 This procedure becomes extremely complex when teeth involved feature a large loss of tooth structure and reduction of resistance. 2 Before a endodontically treated tooth restoration a clinical and radiographic assessment is important for appropriate planning. 3 since the restoring technique selection aims to regain function, form, aesthetics, and protection of remaining tooth, and it is driven by the amount of remaining clinical crown, periodontal tissue condition, root morphology, occlusal habits, as well as by the filling of the root canal.…”

Section: Introductionmentioning

confidence: 99%

“…The sodium hypochlorite is a commonly used irrigating solution due to its antimicrobial and tissue solvent properties, so an additional solution is required for the inorganic layer of the smear layer removal. 1 2 3 4 For this purpose, a chelant solution is used such as ethylenediaminetetraacetic acid (EDTA); MTAD (association between citric acid, doxycycline 3% of mg/5, and Tween 80); Tetraclean (association between citric acid, doxycycline 50 mL of mg/5, and propylene glycol), or Smear Clear (association between 17% EDTA, Cetavlon, and Cetramide). 2 3 4 5 6 7 8 9 10 11 The removal of this layer by these solutions is something significant because if this does not occur, this inorganic phase can serve as a physical barrier, interfering in the adhesion and penetration of sealing materials in the dentinal tubules.…”

Section: Introductionmentioning

confidence: 99%

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Influence of the Chelating Solutions in the Resistance of Glass Fiber Posts to the Root Dentin

et al. 2020

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Objective To evaluate the influence of chelating agents (EDTA, citric acid and Tetraclean) on glass fiber posts adhesion to root dentin. Materials and Methods Forty mandibular premolars single canals, with complete apical root, straight, circular cross sections were selected, accessed and had the cervical third prepared with Gates-Glidden drills, then included in resin, instrumented with ProTaper Universal and the root canal obturation was carried out. After, the samples were randomly divided into 4 groups (n = 10) to test the final irrigation solutions: G1:17% EDTA; G2:10% citric acid; G3: Tetraclean and G4: saline solution (control). After 30 days of storage (36.5° C and 100% humidity), the post preparation was performed leaving 4 mm of apical endodontic filling. Then, a fiber-glass post previously selected was coated with ED Primer adhesive system and resin sealer Panavia, installed and stored for 24 hours at 37°C. The samples were subjected to a tensile test with a constant speed of 1 mm/min with 2000 Kgf. The results were analyzed with the ANOVA test. Results The statistical analyzes indicated no significant differences between the groups (p > 0.05). Conclusion The type of chelating agent used in the final irrigation of the endodontic treatment did not influence the tensile strength of the fixation system used to sealer the glass fiber posts to the intracanal dentin.

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Section: Discussionmentioning

confidence: 99%