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Micro-computed tomographic evaluation of canal retreatments performed by undergraduate students using different techniques

Silva EJ, Belladonna FG, Carapiá M, Muniz BL, Rocha MS, Moreira EJ

OBJECTIVES: This study evaluated the amount of remaining root canal filling materials after retreatment procedures performed by undergraduate students using manual, rotary, and reciprocating techniques through micro-computed tomographic analysis. The...
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Unwanted effects due to interactions between dental materials and magnetic resonance imaging: a review of the literature

Chockattu , Suryakant , Thakur S

Magnetic resonance imaging (MRI) is an advanced diagnostic tool used in both medicine and dentistry. Since it functions based on a strong uniform static magnetic field and radiofrequency pulses, it...
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Incidence of apical crack formation and propagation during removal of root canal filling materials with different engine driven nickel-titanium instruments

Özyürek , Tek V, Yılmaz K, Uslu G

OBJECTIVES: To determine the incidence of crack formation and propagation in apical root dentin after retreatment procedures performed using ProTaper Universal Retreatment (PTR), Mtwo-R, ProTaper Next (PTN), and Twisted File...
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Polymerization shrinkage, hygroscopic expansion and microleakage of resin-based temporary filling materials

Cho NY, Lee IB

The purpose of this study was to measure the polymerization shrinkage and hygroscopic expansion of resin-based temporary filling materials and to evaluate microleakage at the interface between the materials and...
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Nerve Injury from Overfilled Calcium Hydroxide Root Canal Filling Paste for Maxillary Lateral Incisor Endodontic Treatment

Na KM, Kim JB, Chin BR, Kim JW, Kim CS, Kwon TG

  • KMID: 2186439
  • J Korean Assoc Maxillofac Plast Reconstr Surg.
  • 2013 Jul;35(4):260-264.
Calcium hydroxide root canal filing paste (vitapex) is widely used as canal filling paste for infected canal. However, chemical burn is possible because of the high alkali base of calcium...
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Rheological characterization of thermoplasticized injectable gutta percha and resilon

Chang J, Baek SH, Lee IB

OBJECTIVES: The purpose of this study was to observe the change in the viscoelastic properties of thermoplasticized injectable root canal filling materials as a function of temperature and to compare...
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A comparative study on radiopacity of root canal sealers

Kim TM, Kim SK, Hwang IN, Hwang YC, Kang BC, Yoon SJ, Lee JS, Oh WM

This study was performed to assess the radiopacity of a variety of root canal sealers according to the specification concerning root canal sealers. Ten materials including Tubli-Seal(TM), Kerr Pulp Canal Sealer(TM),...
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The effect of MTAD as a final root canal irrigants on the coronal bacterial leakage of obturated root canals

Kim TW, Chang SW, Park DS

The purpose of this study was to evaluate the effects of MTAD, EDTA and sodium hypochlorite(NaOCl) as final irrigants on coronal leakage resistance to Enterococcus faecalis. Forty extracted human maxillary...
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Push-out bond strength of a self-adhesive resin cement used as endodontic sealer

Gurgel-Filho ED, Lima FC, Saboia VD, Coutinho-Filho TdS, Neves AD, Silva EJ

OBJECTIVES: The aim of the present study was to investigate the bond strength of RelyX Unicem (3M) to root canal dentin when used as an endodontic sealer. MATERIALS AND METHODS: Samples...
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Effect of moisture on sealing ability of root canal filling with different types of sealer through the glucose penetration model

Jang JA, Kim HL, Her MJ, Lee KW, Yu MK

OBJECTIVES: To compared the effect of different levels of moisture of root canal on the sealing ability after filling with four different types of sealer. MATERIALS AND METHODS: Single-rooted teeth (n...
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Endodontic treatment of mandibular molar with root dilaceration using Reciproc single-file system

Meireles D, Bastos MM, Marques AA, Garcia LD, Sponchiado EC

  • KMID: 2316843
  • Restor Dent Endod.
  • 2013 Aug;38(3):167-171.
Biomechanical preparation of root canals with accentuated curvature is challenging. New rotatory systems, such as Reciproc, require a shorter period of time to prepare curved canals, and became a viable...
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The Effect of Temporary Filling Materials on The Adhesion between Dentin Adhesive-coated Surface and Resin Inlay

Kim TG, Lee KW, Yu MK

The purpose of this research was to compare the microtensile bond strength of resin coated surface and resin inlay according temporary filling materials prior to applying self-adhesive resin cement. Caviton(GC,...
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Measurement of thermal expansion characteristic of root canal filling materials: Gutta-percha and Resilon

Jeon KA, Lee IB, Bae KS, Lee WC, Baek SH

The purpose of this study was to evaluate the thermal expansion characteristics of injectable thermoplasticized gutta-perchas and a Resilon. The materials investigated are Obtura gutta-percha, Diadent gutta-percha, E&Q Gutta-percha Bar...
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Effect of irrigation methods on the adhesion of Resilon/Epiphany sealer and gutta-percha/AH 26 sealer to intracanal dentin

Kim SK, Hwang YC, Hwang IN, Oh WM

The purpose of this study was to evaluate whether intracanal irrigation method could affect the adhesion between intracanal dentin and root canal filling materials (Gutta-percha/AH 26 sealer and Resilon/Epiphany sealer). Thirty...
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Microleakage of resilon by methacrylate-based sealer and self-adhesive resin cement

Ham SY, Kim JW, Shin HJ, Cho KM, Park SH

The purpose of this study was to compare the apical microleakage in root canal filled with Resilon by methacrylate-based root canal sealer or 2 different self-adhesive resin cements. Seventy single-rooted...
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Apical microleakage of MTA with 4-META/MMA & TBB resin as a root-end filling material

Kim JC, Kim MR, Ko HJ, Yang WK

We evaluated in vitro microleakage of Mineral Trioxide Aggregate (MTA) powder with 4-methacryloxyethyl trimellitate anhydride (4-META) / methyl methacrylate (MMA) & tri-n-butylborane (TBB) resin as a retrograde filling material by...
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The effect of individualization of fiberglass posts using bulk-fill resin-based composites on cementation: an in vitro study

Lins RB, Cordeiro J, Rangel CP, Antunes TB, Martins LR

OBJECTIVES: This study evaluated the bond strength of various fiberglass post cementation techniques using different resin-based composites. MATERIALS AND METHODS: The roots from a total of 100 bovine incisors were randomly...
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A comparative evaluation of cytotoxicity of root canal sealers: an in vitro study

Badole GP, Warhadpande MM, Meshram GK, Bahadure R, Tawani SG, Tawani G, Badole SG

  • KMID: 2316850
  • Restor Dent Endod.
  • 2013 Nov;38(4):204-209.
OBJECTIVES: The objective of this in vitro study was to evaluate and compare the cytotoxicity of four different root canal sealers i.e. Apexit Plus (Ivoclar Vivadent), Endomethasone N (Septodont), AH-26...
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Comparative analysis of physicochemical properties of root perforation sealer materials

Dorileo MC, Pedro FL, Bandeca MC, Guedes OA, Villa RD, Borges AH

  • KMID: 2316895
  • Restor Dent Endod.
  • 2014 Aug;39(3):201-209.
OBJECTIVES: This study evaluated the solubility, dimensional alteration, pH, electrical conductivity, and radiopacity of root perforation sealer materials. MATERIALS AND METHODS: For the pH test, the samples were immersed in distilled...
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Effects of condensation techniques and canal sizes on the microleakage of orthograde MTA apical plug in simulated canals

Nam DL, Park JK, Hur B, Kim HC

The purpose of this study was to compare the dye leakage of MTA (mineral trioxide aggregate) apical plug produced by two orthograde placement techniques (hand condensation technique and ultrasonically assisted...
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