John Rhodes

John Rhodes

Author at Dentistry Online

John Rhodes is a specialist in endodontics, the author of textbooks and numerous papers, and owner of The Endodontic Practice Poole and Dorchester. He lectures and teaches on endodontics nationally.
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Problem-solving endodontics: length estimation in a case of hypercementosis

John Rhodes presents an interactive practical and problem solving solution in endodontics. This month, he looks at how to overcome difficulties estimating root length in a case of hypercementosis. Hypercementosis is idiopathic but has been associated with local and systemic factors such as over-eruption of teeth, inflammation at the apex of a tooth, traumatic occlusion … Continued

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Utilising the anatomy in molar root canal retreatment

John Rhodes presents another interactive practical and problem-solving solution in endodontics. This month he looks at how you can use root canal morphology advantageously during non-surgical root canal retreatment. Introduction Non-surgical retreatment is often the preferred means of managing a molar tooth in which the previous attempt at root canal treatment has failed. During retreatment … Continued

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Problem solving: non-surgical retreatment of an UR2 with unusual anatomy

John Rhodes presents another interactive practical and problem solving solution in endodontics. This month he looks at the non-surgical retreatment of a maxillary lateral incisor with unusual anatomy; a second root and canal. In this case a young lady was referred for retreatment of her maxillary right lateral incisor (UR2). The patient reported a low-grade … Continued

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Problem solving endodontics – looking at working length estimation

John Rhodes presents an interactive, practical and problem-solving solution in endodontics. This month, he looks at working length estimation. The question of how to get reliable results from an apex locator is often posed to me. Whether it is necessary to take a diagnostic radiograph when using one. In this problem-solving, interactive article I will … Continued

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Overcoming obstacles in non-surgical retreatment

John Rhodes presents the final article in the series of interactive practical and problem-solving solutions in endodontics. Here he looks at the non-surgical root canal retreatment of a maxillary premolar with hidden obstacles and unusual morphology. Practitioners often prefer non-surgical retreatment when managing cases of failed root canal treatment. However, many obstacles can arise and … Continued

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Problem solving endodontics – removal of a fractured instrument

John Rhodes describes the retreatment of a mandibular incisor in which a fractured instrument has to be removed. Three basic steps There are three basic steps when removing objects from the root canal; firstly there must be sufficient space coronally for unimpeded removal, secondly ultrasound is used on the lateral aspect to vibrate, dislodge or … Continued

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Problem solving endodontics – obturation with a bioceramic sealer

Specialist endodontist, John Rhodes presents an interactive, practical and problem-solving solution in endodontics. Here, John looks at a technique for obturating the root canals with a bioceramic sealer. The introduction of bioceramic sealers has been very topical in endodontics. In this interactive article, John Rhodes describes a hybrid single cone technique that can be used … Continued

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A clinical case of a necrotic UR6 associated with periapical periodontitis

Curved and sclerosed canals can raise difficulties for the operator during root canal treatment resulting in iatrogenic errors. In this case challenging root canal anatomy in a maxillary molar (UR6) was successfully negotiated using a methodical approach and reciprocating nickel titanium instruments. Clinical examination A 56 year-old man was referred for root canal treatment of … Continued

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Problem solving: managing ledges during root canal

John Rhodes presents an interactive, practical and problem-solving solution in endodontics. This time he looks at managing ledges during root canal treatment and tips to avoid creating them in the first place. Creating ledges During preparation ledges are inadvertently created and make further instrumentation more difficult as file tips snag in the ledge rather than … Continued

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The final piece in the jigsaw

John Rhodes talks about treating more complex endodontic cases with the Waveone Gold Glider – the dedicated reciprocating glide path file from Dentsply Sirona. One of the most crucial stages in ensuring successful endodontic treatment is the creation of a reproducible and established glide path, particularly in more difficult cases with tightly curved canals. Glide path … Continued

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