Radix Entomolaris: A Case Report

Movassagh, Zeinab; Ghahari, P; Heidari, Narges

doi:10.17795/ajdr.26265

Cited by 4 publications

(5 citation statements)

References 6 publications

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“…Based on the present results, the root lengths at around 18 mm on average are some 3 mm shorter than the normal 21 mm distance from cusps to apex which would be expected; however this is less important clinically than the marked curvature which can occur in some cases [16, 17, 22, 23]. …”

Section: Discussionmentioning

confidence: 46%

Radix Entomolaris in the Mandibular Molar Teeth of an Iranian Population

Kuzekanani

Walsh

Haghani

et al. 2017

International Journal of Dentistry

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Purpose. Supernumerary roots in permanent mandibular molar teeth make endodontic treatment more complicated. The aim of this study was to determine the prevalence of Radix Entomolaris (RE) in permanent mandibular first and second molars in the population of Kerman, in the southeast of Iran. Materials and Methods. From a collection of 500 mandibular first and second molar teeth extracted over 2015-2016 at dental clinics in Kerman, teeth were scored for an additional distolingual root, and the average root length and root morphology of this extra root were determined using the De Moor classification scheme. Results. In this population, RE occurred in 6% of mandibular first molars (4% with a straight apex (Type I) and 2% with buccal apical curvature (Type III)). In all cases, RE was the shortest root, with an average root length of 18.37 mm. RE occurred in only 0.8% of mandibular second molars, with an average root length of 18.0 mm. All mandibular second molars with RE were of Type III. Fisher's exact test showed that the difference in frequency between first and second molars was statistically significant (two-sided P = 0.002). Conclusion. Radix Entomolaris occurs more frequently in mandibular first molars than in mandibular second molars in this sample of 500 mandibular molars. The reported rate of 6% in first molars is expected to be higher than reported rates in European or Caucasian populations where the prevalence is typically less than 2%.

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Section: Discussionmentioning

confidence: 46%

Radix Entomolaris in the Mandibular Molar Teeth of an Iranian Population

Kuzekanani

Walsh

Haghani

et al. 2017

International Journal of Dentistry

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“…The knowledge regarding morphological variations of the RE in terms of inclination and curvature is beneficial. An operator could apply a careful and adapted clinical approach to avoid or overcome procedural errors during root canal treatment [10].…”

Section: Discussionmentioning

confidence: 99%

Root Canal Treatment of Mandibular Molar With Accessory Root Canal: A Case Report

Kusumo¹,

Ratih²,

Mulyawati³

2021

Proceedings of the 1st Aceh International Dental Meeting (AIDEM 2019), Oral Health International Conference on Art, Nature and

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Root canal treatment comprises of cleaning and shaping, disinfecting, and root canal obturation. The success of treatment depends on the knowledge of the operator regarding root canal morphology. The mandibular first molars usually have two roots with three canals: distal, mesio-buccal and mesio-lingual. There is a possibility of an additional distolingual root namely radix entomolaris. A 21-year-old male patient was referred to Universitas Gadjah Mada Dental Hospital for root canal treatment. After subjective and objective examination, diagnosis of tooth 36 was pulp necrosis. Dental history of patient revealed caries occurred in left mandibular molar along with spontaneous pain that lasted for hours. The referring dentist had done pulp devitalization and prescribed oral analgesics. Shaping and cleaning were performed on mesio-buccal, mesio-lingual and distal root canal followed by intracanal dressing on first visit. Three days later the patient came with complaint of spontaneous pain. After careful observation, a distolingual root was found, which previously had not been prepared. Root canal preparation was carried out on the distolingual root followed by intracanal dressing. On third visit, the tooth was asymptomatic and root canals were obturated. On fourth visit, the tooth was prepared for onlay restoration and impression was taken. Composite onlay was cemented on the fifth visit. A week later the patient came for recall and no complaints were noted. Conclusion: root canal treatment on mandibular first molars must consider the anatomic variations, such as radix entomolaris. Using proper diagnostic aids and instruments would help identify acessory root canal. A thorough root canal preparation influence the success of root canal treatment.

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“…Two different radiographs are to be taken from a more mesial or distal angle in order to reveal its presence. 12 After its identification, the access cavity preparation needs to be modified from a conventional triangular access to a rectangular or trapezoidal outline. 13 It is made by the spread of the triangular opening cavity to the lingual.…”

Section: Discussionmentioning

confidence: 99%

Endodontic Management of Radix Entomolaris In Mandibular Second Molar

2016

IJDA

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The basic prerequisite for the successful endodontic therapy requires complete awareness and thorough knowledge about the external and internal root canal morphology. Two roots is the common finding seen in mandibular molars but they may have an additional root located lingually (radix entomolaris) or buccally (radix paramolaris). Radix entomolaris is commonly considered to be an Asiatic trait. Though its prevalence is higher is asian population but is found to be lower in Indian races. The presence and identification of such anatomical variant contributes to the predictable outcome of the treatment. The purpose of the present case report is to discuss the endodontic management of a mandibular second molar with radix entomolaris using ultrasonic tips. The treatment plan includes modified access cavity preparation, thorough chemomechanical preparation and obturation of the canals. It is crucial to be familiar with anatomical and morphological variations of root canal system which demand a careful diagnosis and adapted clinical approach to avoid complications or a missed canal during the endodontic procedure.

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Radix Entomolaris: A Case Report

Cited by 4 publications

References 6 publications

Radix Entomolaris in the Mandibular Molar Teeth of an Iranian Population

Radix Entomolaris in the Mandibular Molar Teeth of an Iranian Population

Root Canal Treatment of Mandibular Molar With Accessory Root Canal: A Case Report

Endodontic Management of Radix Entomolaris In Mandibular Second Molar

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