The ability of the radiograph to determine the location of the apical foramen

Olson, A K; Goerig, Albert C.; Cavataio, R E; Luciano, Joanne S.

doi:10.1111/j.1365-2591.1991.tb00867.x

Cited by 65 publications

(56 citation statements)

References 14 publications

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“…[12][13] This study confirms that for length determination Ektaspeed Plus dental X-ray film is as effective as Ultraspeed film. With increased public awareness and firmer control on radiation safety, ways of minimising radiation exposure during conventional radiograph have been discussed.…”

Section: Discussionsupporting

confidence: 76%

A comparison of Kodak Ultraspeed and Ektaspeed Plus dental X‐ray films for use in endodontics

Moule

Wong²,

Monsour³

et al. 2001

Australian Dental Journal

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Background:The advantage of using a faster film for length determination in endodontic therapy is obvious. However, for such a film to be generally accepted, it must demonstrate comparable diagnostic quality to traditionally used films. Methods: The comparative accuracy of canal length determination of Ultraspeed and Ektaspeed Plus dental X-ray films was assessed in maxillary first and second molars; for different canals, for different teeth, for different exposures, and for different examiners (five general dentists and three endodontic specialists). Results: In general, there were no significant differences between films, among examiners, or any interaction between films and exposures. That is, an assessor's ability to estimate lengths was not significantly influenced by the film type or by exposure used. There was a wide divergence in the individual assessor's ability to estimate lengths. Specialists estimated lengths more accurately than general practitioners and estimated lengths more accurately with Ektaspeed Plus film. Length determination in distobuccal and mesiobuccal canals was more accurate than in palatal canals. Most palatal canals were underestimated in length by more than 1mm. The use of file sizes larger in number than size 15 is recommended in these canals. Conclusion: For length determination, Ektaspeed Plus dental X-ray film is as effective as Ultraspeed film. Given the acceptable quality and accuracy of Ektaspeed Plus film, there seems to be no clinical reason to subject patients to greater radiation by using a slower film during endodontic therapy. has been shown to be as effective as Ultraspeed for caries detection and oral diagnosis, Ektaspeed has not been generally accepted in the dental community.1-3 The reasons for this lack of acceptance include grainy appearance, reduced image contrast and film sensitivity to processing variables. 4 In 1994, Kodak Eastman replaced Ektaspeed with Ektaspeed Plus. According to the manufacturer, this new film has the same speed as Ektaspeed but exhibits improved image characteristics, principally by replacing the traditional pebble-shaped silver halide granules with tabular granules. Laboratory studies confirm Ektaspeed Plus film is faster, has higher contrast 5 and a more pleasing appearance than Ektaspeed. It was technically suitable for clinical dental use 6-7 while maintaining speed and clarity over useful density ranges.8 Only minor differences were exhibited between Ektaspeed Plus and Ultraspeed when sharpness and granularity were compared. 8-11The advantages of using a faster film for dental radiography are obvious. However, for the film to be readily acceptable, it has to be shown to be of compatible diagnostic quality to Ultraspeed film over all dental uses. The aim of this paper is to compare the diagnostic accuracy of Ultraspeed (D Speed) film with Ektaspeed Plus (E-Plus) dental X-ray film for use in endodontic therapy. Materials and methodsAccess cavities were cut in the permanent first and second maxillary molar teeth in one skull. T...

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Section: Discussionsupporting

confidence: 76%

A comparison of Kodak Ultraspeed and Ektaspeed Plus dental X‐ray films for use in endodontics

Moule

Wong²,

Monsour³

et al. 2001

Australian Dental Journal

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“…Unfortunately, two-dimensional radiographic images do not reveal all anatomic characteristics (4,5). Most canals do not communicate with the periodontal tissue precisely at the root apex, and the apical foramen often does not have a round shape (6).…”

mentioning

confidence: 98%

Morphologic Analysis of the Root Apex in Human Teeth

Martos¹,

Lubian²,

Silveira³

et al. 2010

Journal of Endodontics

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“…Lengths will vary according to many factors; however, ideals are not always attainable. Apex location varies; these variations can be approximated but not usually determined using only a diagnostic radiograph [18,19] . However, this determination is an estimate, using average measurements of distances from the apical foramen to the true apex and from the apical constriction (or within the canal) to the apical foramen [20] .…”

Section: Resultsmentioning

confidence: 99%

Introducing Radio-Opaque Radio-Lucent Graduated Root Canal Length Indicating Cones (GRCLIC) in Endodontics

Bonjar¹

2007

American J. of Applied Sciences

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Radio Opaque-Radiolucent Graduated Root-Canal Length Indicating Cone (GRCLIC) is a new innovative device being introduced for the first time in endodontics literature. GRCLIC can present more accurate measurement of the root canal length in conventional radiographs in endodontic and root canal treatment. Like many other dental and medical specialties, endodontics has evolved and changed over the years. The changes that have occurred in the past 10 years, however, have been of great magnitude and profundity. The microscope, ultrasonic units with specially configured tips, superbly accurate microchip computerized apex locators, flexible nickel-titanium files in rotary engines, and greater emphasis on microscopic endodontic surgery have totally changed the way endodontics and endodontic surgery are practiced. Every part of endodontic treatment is controlled by a measurement of the instrument's penetration depth into the canal, while the length is typically determined in millimeters. In this research, GRCLIC was used to enhance the more accurate root canal length determination. GRCLIC was made simply using a thin plastic or optic fiber graduated millimeter-wise with a heavy metal salt. The idea behind the GRCLIC technique was to present a new methodology which is actually a pre-exposure insertion of a simple graduated flexible ruler into the tooth canal instead of classic measurement methods. The main proved advantage of GRCLIC is decreasing mal-measurements which usually lead to treatment failures. GRCLIC enhances the success of endodontics treatment practices.

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The ability of the radiograph to determine the location of the apical foramen

Cited by 65 publications

References 14 publications

A comparison of Kodak Ultraspeed and Ektaspeed Plus dental X‐ray films for use in endodontics

A comparison of Kodak Ultraspeed and Ektaspeed Plus dental X‐ray films for use in endodontics

Morphologic Analysis of the Root Apex in Human Teeth

Introducing Radio-Opaque Radio-Lucent Graduated Root Canal Length Indicating Cones (GRCLIC) in Endodontics

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