abstract：:Vertical root fractures in endodontically treated teeth occur frequently in teeth or roots in which their mesiodistal dimension is narrow, such as the maxillary upper premolars. Two cases of vertical root fractures in two adjacent maxillary reconstructed teeth are presented. As in many cases of vertical root fractures...

journal_title：International endodontic journal

authors： Tamse A,Zilburg I,Halpern J

更新日期：1998-03-01 00:00:00

abstract：:The cutting heads of the first 18 instruments in six sets of clinically used Lightspeed instruments (sizes 20-65) were examined in a scanning electron microscope (SEM). Three sets had been used by full-time faculty and discarded as follows: instrument sizes 20-32.5 after 18 treated root canals; instrument sizes 35-47....

journal_title：International endodontic journal

authors： Marending M,Lutz F,Barbakow F

更新日期：1998-01-01 00:00:00

abstract：:The aim of this study was to evaluate the accuracy of the electronic apex locator Root ZX compared to the Sono Explorer Mark II Junior and Apit III in detecting root perforations. Extracted human teeth (n = 30) were perforated artificially in the middle third of the root and embedded in a box containing alginate. Dete...

journal_title：International endodontic journal

authors： Kaufman AY,Fuss Z,Keila S,Waxenberg S

更新日期：1997-11-01 00:00:00

abstract：:In this study, an unusual observation of Saccharomyces cerevisiae isolated from an infected root canal and from the blood of a patient undergoing endodontic therapy of a tooth with asymptomatic apical periodontitis is reported. Phenotypic (biochemical tests, antifungal susceptibility tests and SDS-PAGE of cellular pro...

journal_title：International endodontic journal

authors： Debelian GJ,Olsen I,Tronstad L

更新日期：1997-09-01 00:00:00

abstract：:The short-term tissue responses to two potential root-end filling materials, a light-cured glass ionomer cement (Vitrebond) and a reinforced zinc oxide-eugenol cement (Kalzinol), were compared with that to amalgam using a previously devised experimental model. In 24 premolar teeth of beagle dogs (47 roots), a collecti...

journal_title：International endodontic journal

authors： Chong BS,Pitt Ford TR,Kariyawasam SP

更新日期：1997-07-01 00:00:00

abstract：:An in vivo investigation was conducted to assess the ability of two laser Doppler flowmeters (DRT4, Moor Instruments Ltd; Laserflo BPM2, Vasamedics) to differentiate between vital pulp, ischaemically necrosed pulp, and an empty pulp chamber in premolar teeth in children. Sixteen intact, vital teeth in need of extracti...

journal_title：International endodontic journal

authors： Mesaros S,Trope M,Maixner W,Burkes EJ

更新日期：1997-05-01 00:00:00

abstract：:The aim of this study was to assess the shaping ability of the M4 reciprocating handpiece and Safety Hedstrom files in simulated canals. A total of 40 simulated canals of various angles and positions of curvature were prepared with an M4 handpiece using Safety Hedstrom files oriented with the ground, flattened surface...

journal_title：International endodontic journal

authors： Lloyd A,Jaunberzins A,Dhopatkar A,Bryant S,Dummer PM

更新日期：1997-01-01 00:00:00

abstract：:A case is described in which root canal treatment with calcium hydroxide was used successfully to repair a fracture site with internal resorption of the tooth. ...

journal_title：International endodontic journal

authors： Calişkan MK,Türkün M

更新日期：1996-11-01 00:00:00

abstract：:The aim of this in vitro study was to determine the effect of removal of the smear layer on canal obturation as measured by penetration of bacteria from a coronal direction. One hundred and twenty extracted human teeth with straight, single root canals were decoronated. The canals were prepared using the modified doub...

journal_title：International endodontic journal

authors： Chailertvanitkul P,Saunders WP,MacKenzie D

更新日期：1996-07-01 00:00:00

abstract：:An in-vitro investigation was performed to assess the extent of apical microleakage in simulated canals in clear resin blocks. Four different methods of producing dye penetration were employed: passive dye penetration alone, centrifugation alone, vacuum plus passive dye penetration, and increased pressure plus passive...

journal_title：International endodontic journal

authors： Pathomvanich S,Edmunds DH

更新日期：1996-05-01 00:00:00

abstract：:Rectified turpentine oil can be used to soften or dissolve gutta-percha in the root canal space to facilitate endodontic retreatment or preparation of space for a post. For endodontic retreatment, the turpentine oil can be heated to 71 degrees C which significantly increases its ability to dissolve gutta-percha. For r...

journal_title：International endodontic journal

authors： Kaplowitz GJ

更新日期：1996-03-01 00:00:00

abstract：:The effects of varying clinically relevant patterns of anaesthetic-vasoconstrictor combinations used for periradicular surgery on plasma concentrations of catecholamines and haemodynamic responses was studied in the canine model. Five mongrel dogs were anaesthetized with sodium pentobarbitol. A femoral cannula was ins...

journal_title：International endodontic journal

authors： Gutmann JL,Frazier LW Jr,Baron B

更新日期：1996-01-01 00:00:00

abstract：:A rare case of dens invaginatus involving a non-carious mandibular lateral incisor with periapical periodontitis is reported. Invaginated teeth present technical difficulties in their clinical management because of their abnormal anatomy. In the present case, non-surgical root canal therapy was chosen. A one-year foll...

journal_title：International endodontic journal

authors： Khabbaz MG,Konstantaki MN,Sykaras SN

更新日期：1995-11-01 00:00:00

abstract：:The objective of this study was to compare the adaptation of mechanically softened gutta-percha to the root canal wall in the presence and absence of smear layer. The root canals of 20 freshly extracted human maxillary incisors were cleaned and shaped. Prior to obturation, 10 root canals were irrigated with 20 ml of 5...

journal_title：International endodontic journal

authors： Pallarés A,Faus V,Glickman GN

更新日期：1995-09-01 00:00:00

abstract：:The purpose of this study was to observe the quality of seal of the glass ionomer cement, Ketac-Endo, after treatment of the root canal wall. The root canals of 140 extracted human teeth were prepared biomechanically. The root canals were treated with either EDTA or received an intracanal dressing of calcium hydroxide...

journal_title：International endodontic journal

authors： Holland R,Sakashita MS,Murata SS,Junior ED

更新日期：1995-07-01 00:00:00

abstract：:The reliability of two commonly used methods of sealability testing, dye leakage under normal atmospheric pressure and dye leakage in a partial vacuum, was tested using a repeated studies design. Forty extracted teeth were instrumented and obturated using lateral condensation of gutta-percha and Sealapex sealer. One-h...

journal_title：International endodontic journal

authors： Roda RS,Gutmann JL

更新日期：1995-05-01 00:00:00

abstract：:A case is reported where the high flow characteristics of thermoplasticized gutta-percha provided an efficient seal even without adequate shaping of an iatrogenically damaged root canal system. Persistent periradicular irritation was reduced significantly, or isolated within the root canal space, thus allowing periapi...

journal_title：International endodontic journal

authors： Castellucci A,Gambarini G

更新日期：1995-03-01 00:00:00

abstract：:Thirty single-rooted teeth were prepared to receive cast posts. After cementation of the post the teeth were divided into three groups. Group I did not receive any treatment, whereas the posts in groups II and III were treated with an ultrasonic device, for 2 min and 5 min, respectively. The force required for post re...

journal_title：International endodontic journal

authors： Berbert A,Filho MT,Ueno AH,Bramante CM,Ishikiriama A

更新日期：1995-01-01 00:00:00

abstract：:The large variations observed in dentists' management of periapical lesions in endodontically treated teeth suggest that disease concepts used in clinical practice should be investigated. In the present study it was hypothesized that dentists regard various periapical conditions as different stages on a health continu...

journal_title：International endodontic journal

authors： Kvist T,Reit C,Esposito M,Mileman P,Bianchi S,Pettersson K,Andersson C

更新日期：1994-11-01 00:00:00

abstract：:Following extraction of a symptomatic mandibular premolar which had been subjected to two periradicular surgical procedures, significant apical healing was identified histologically. The implications of these findings are discussed in relation to contemporary advocated treatment regimens, case assessment, and interpre...

journal_title：International endodontic journal

authors： Meyers JP,Gutmann JL

更新日期：1994-11-01 00:00:00

abstract：:The effect on coronal leakage of the use of either a single gutta-percha cone or cold lateral condensation of gutta-percha, with a glass ionomer sealer cement was studied. In addition, the effect of the removal of the smear layer was also determined. Eighty-eight single-rooted teeth were prepared chemomechanically usi...

journal_title：International endodontic journal

authors： Tidswell HE,Saunders EM,Saunders WP

更新日期：1994-07-01 00:00:00

abstract：:Sodium hypochlorite (NaOCl), is the most popular irrigation solution used in root canal treatment but it is known to be an irritant to vital tissues. There have been many case reports dealing with toxic effects of this material. Although the allergic potential of NaOCl has been described in the medical literature, onl...

journal_title：International endodontic journal

authors： Calişkan MK,Türkün M,Alper S

更新日期：1994-05-01 00:00:00

abstract：:The apical seal produced by low-temperature injection of gutta-percha, with or without root canal sealer, in the presence or absence of the smear layer was evaluated quantitatively using an electrochemical technique. The root canals of 44 teeth were prepared with the smear layer intact following a final flush of NaOCl...

journal_title：International endodontic journal

authors： Karagöz-Küçükay I,Bayirli G

更新日期：1994-03-01 00:00:00

abstract：:The effect of temperature of plasticization on the sealing ability of Thermafil obturators was evaluated. Forty-eight canals in roots of extracted human mandibular molar teeth were divided into four groups of 12. The root canals had curvatures of less than 25 degrees, as determined using the Schneider technique. Four ...

journal_title：International endodontic journal

authors： Leung SF,Gulabivala K

更新日期：1994-01-01 00:00:00

abstract：:The thermal effects of a CO2 laser on the external root surface and inside the root canal were studied in vitro by means of computerized infrared (IR) thermography and a digital thermometer. One-hundred-and-eighty tooth roots with single root canals were irradiated internally and externally with laser power set at 0.5...

journal_title：International endodontic journal

authors： Anić I,Dzubur A,Vidović D,Tudja M

更新日期：1993-09-01 00:00:00

abstract：:A light-cured ionomer cement was investigated as a retrograde root seal, without a retrograde cavity. This was compared with the material used in a retrograde cavity, and with a conventional glass ionomer cement, as a seal. The adaptation and sealing ability of the test materials were assessed using a confocal optical...

journal_title：International endodontic journal

authors： Chong BS,Pitt Ford TR,Watson TF

更新日期：1993-07-01 00:00:00

abstract：:Models which simulate oral conditions pertaining to endodontic surgical procedures are most suitable if they contain natural teeth and have hard and soft tissues which handle realistically. In addition, the model should possess radiological characteristics similar to bone. A simple custom-built model which fulfils the...

journal_title：International endodontic journal

authors： Jackson AP,Tidmarsh BG

更新日期：1993-05-01 00:00:00

abstract：:Dentoalveolar ankylosis is a common complication after replantation of teeth with injured periodontal ligaments. This is a serious complication for the tooth since it leads to progressive root resorption. In young individuals it may also cause infra-occlusion and reduced development of the alveolar process. The purpos...

journal_title：International endodontic journal

authors： Hellsing E,Alatli-Kut I,Hammarström L

更新日期：1993-03-01 00:00:00

abstract：:The purpose of this study was to compare the dentine-removing characteristics of size 25 K-files activated by the Cavi-Endo and Piezon-Endo units. The influence of power-setting, direction of file oscillation, interfacial force and operator-assisted movement were studied. Filing was performed on flat surfaces of denti...

journal_title：International endodontic journal

authors： Gulabivala K,Briggs PF,Setchell DJ

更新日期：1993-01-01 00:00:00

abstract：:The purpose of this investigation was to study the effects of a Nd:YAG laser on the cut surface of teeth using scanning electron microscopy (SEM). Eighteen single-rooted teeth were cleaned, shaped, and obturated with gutta-percha and root canal sealer. The apical 3 mm of each tooth were resected with a diamond fissure...

journal_title：International endodontic journal

authors： Stabholz A,Khayat A,Weeks DA,Neev J,Torabinejad M

更新日期：1992-11-01 00:00:00

abstract：:The use of a resin-based glass ionomer as an endodontic sealer was studied in vitro. The root canals of extracted single-rooted human teeth with mature apices were prepared using a stepback technique. Subsequently, the smear layer was removed with 40% citric acid and the canals obturated using lateral condensation of ...

journal_title：International endodontic journal

authors： Saunders WP,Saunders EM,Herd D,Stephens E

更新日期：1992-09-01 00:00:00

abstract：:Teflon tubes containing freshly mixed, polymerized Hydron root canal filling material, fully set AH26 or Teflon were implanted into the mandible of guinea pigs and assessed histologically at 2 days, 1, 2, 4, 12 and 26 weeks. None of the materials tested elicited signs of overt or significant tissue damage, and polymer...

journal_title：International endodontic journal

authors： Reid RJ,Wilson DF,Chau KK,Heithersay GS,Heijkoop PS

更新日期：1992-07-01 00:00:00

abstract：:Ninety-one extracted maxillary premolar teeth were restored with a prefabricated post and amalgam, composite resin or glass-cermet core. Each group was again divided into three groups of 9-13 teeth to be subjected to an increasing load in one of three standardized directions (10, 45 and 90 degrees to the long axis of ...

journal_title：International endodontic journal

authors： Huysmans MC,Peters MC,Plasschaert AJ,van der Varst PG

更新日期：1992-05-01 00:00:00

abstract：:This study was conducted to evaluate the efficacy of the antibacterial activity of Ca(OH)2 and a sustained-release device containing chlorhexidine (SRD) in both sterilization and prevention of secondary infection of the root canal system. Bovine root dentine specimens previously incubated with Streptococcus faecalis w...

journal_title：International endodontic journal

authors： Heling I,Steinberg D,Kenig S,Gavrilovich I,Sela MN,Friedman M

更新日期：1992-01-01 00:00:00

abstract：:A case is reported of severe loss of alveolar bone in the maxilla, as a result of leakage into the tissues of an arsenical paste from the pulp chamber of an endodontically 'treated' tooth. The history of the use of arsenic in dentistry is discussed, as are the hazards inherent in the use of this outmoded and dangerous...

journal_title：International endodontic journal

authors： Smart ER,Barnes IE

更新日期：1991-09-01 00:00:00

abstract：:The Netherlands Society for Endodontology has developed a 5-year plan for continuing education that served as a guideline for two basic courses in endodontology. The 2-day basic course has been attended by over 2000 dentists, and has been very much appreciated according to the evaluation outlined in this article. The ...

journal_title：International endodontic journal

authors： Wesselink PR

更新日期：1991-07-01 00:00:00

abstract：:Four hundred and fifty-five extracted mandibular incisor and 340 extracted mandibular premolar teeth were radiographed to assess the incidence of twin canals as visualized on radiographs taken in the mesio-distal direction. The ability to detect the presence of these twin canals by viewing radiographs taken in the sta...

journal_title：International endodontic journal

authors： Nattress BR,Martin DM

更新日期：1991-03-01 00:00:00

abstract：:An in vitro endodontic leakage model was used to compare the sealing ability of conventional retrograde amalgam fillings with a new retrograde filling technique by measuring dye leakage quantitatively. The new technique consisted of retrograde preparation of the root canal using the Endocursor, an endodontic handpiece...

journal_title：International endodontic journal

authors： Wu MK,Kean SD,Kersten HW

更新日期：1990-09-01 00:00:00

abstract：:The root canal anatomy of 19 mandibular second molars with C-shaped canals was investigated by rendering the roots transparent and allowing the canal system to be observed by black ink infiltration. The presence of three root canals was most frequent, and lateral canals were found in all roots. Transverse anastomoses ...

journal_title：International endodontic journal

authors： Manning SA

更新日期：1990-01-01 00:00:00

abstract：:In an effort to simulate the infected dental root canal, bacteria were enclosed in polyethylene tubes that were subcutaneously implanted into rats. Four different bacterial combinations, selected from nine oral species, were tested. The contents of 144 inoculated and implanted 'root canals' were analysed after 2 and 4...

journal_title：International endodontic journal

authors： Wu MK,Moorer WR,Wesselink PR

更新日期：1989-11-01 00:00:00