Maxillary second molar with 5 roots and 5 canals evaluated using cone beam computerized tomography: a case report

Kottoor, Jojo; Hemamalathi, Senthilkumar; Sudha, R; Velmurugan, Natanasabapathy

doi:10.1016/j.tripleo.2009.09.032

Cited by 45 publications

(43 citation statements)

References 33 publications

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“…The researchers [11] with three buccal roots. Kottoor et al [12] reported a maxillary second molar with five roots and five canals. To date, however, no one has reported the existence of three canals in the mesiobuccal root of the maxillary second molar in Xibo minority using multi-slice computed topography (CT) in endodontic therapy.…”

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confidence: 99%

Three‐dimensional computed topography analysis of a patient with an unusual anatomy of the maxillary second and third molars

Zhao

Zhou

et al. 2011

Int J Oral Sci

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We present a case of a patient with rare anatomy of a maxillary second molar with three mesiobuccal root canals and a maxillary third molar with four separate roots, identified using multi-slice computed topography (CT) and three-dimensional reconstruction techniques. The described case enriched/might enrich our knowledge about possible anatomical aberrations of maxillary molars. In addition, we demonstrate the role of multi-slice CT as an objective tool for confirmatory diagnosis and successful endodontic management.

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confidence: 99%

Three‐dimensional computed topography analysis of a patient with an unusual anatomy of the maxillary second and third molars

Zhao

Zhou

et al. 2011

Int J Oral Sci

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“…[13] Knowledge of anatomical variations and abnormalities frequently observed in this region together with radiographs taken from different angles and a CBCT study can aid detection. [14] In cases where radiography fails to determine the presence of extra canals, a careful analysis of developmental grooves in the pulpal chamber base by the dentist can aid detection of such canals. [15] Vertucci [16] recommended evaluating the base and walls of the pulpal chamber when the number of existing root canals could not be accurately determined.…”

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confidence: 99%

Endodontic management of a maxillary second molar with five root canals: a case report

Uslu¹

2018

Turk Endod J

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T he success of endodontic treatment depends on filling the root canal system after careful cleaning. To minimize the risk of failure arising from insufficient cleaning and filling of the root canal, a complete picture of the anatomy of the root canal system of the tooth to be treated is needed. [1] In terms of anatomy, maxillary second molars are generally similar to maxillary first molars. A distinguishing characteristic of maxillary second molars is convergence of three roots, with complete unification of these roots in some cases. In addition, maxillary second molars have shorter and curved roots than maxillary first molars. Maxillary second molars generally have just a single canal in each root. [2] Compared with maxillary first molars, they are less likely to have a secondary canal in the mesiobuccal root. According to previous studies, the incidence of a second mesiobuccal canal in maxillary second molars is 24.3%, [3] whereas that of maxillary second molars with four roots is 0.4%. [4] Another study reported an incidence of the aforementioned variation of approximately 1.4%. [5] Although it is easy to clinically detect these two palatal canals that have significantly low incidences, they may be undetected during root canal treatment because of superposition that occurs on radiography. Thus, it is important to check for the presence of extra palatal roots and canals during root canal treatment of maxillary second molars. In this case report, we describe endodontic treatment of a maxillary second molar with five canals, two of which were palatal.A maxillary second molar tooth with two palatal roots is an uncommon anomaly. In this case report, we describe non-surgical endodontic treatment of a maxillary second molar with two palatal roots. The second palatal root was discovered during preparation of the endodontic access cavity. Biomechanical preparation of all root canals was performed using nickel-titanium (NiTi) rotary instruments. Root canal obturation was performed with a root canal sealer and gutta-percha cones using the lateral compaction technique. The tooth was then restored with composite resin. It may be difficult to detect extra roots in the maxillary posterior region on radiographs because of superposition of various anatomic structures. A careful examination of the pulp chamber can aid in detecting extra canals that are not radiographically visible.

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“…KIBT ise çevre dokuların engellemesi olmaksızın hedef dokunun gö-rüntülerini net olarak elde etmektedir. 17 Ancak KIBT bu avantajlarının yanı sıra aynı bölgeden birden fazla sayıda kesit ve görüntü alınması nedeni ile alınan radyasyon miktarının yüksek olması, yöntemin pahalı olması ve her merkezde bulunmaması, kesitlerden daha uzakta olan lezyonların atlanabilmesi, metalik yabancı cisimler (protezler, metalik restorasyonlar), görüntüde bozulma (artefakt) oluşturması, doku spesifisitesini tayin etmedeki yetersizliği, solid bir kitlenin benign veya malign olup olmadığının ayrımını yapılamaması gibi dezavantajlara da sahiptir. Çalışmamızda Olgu 1 ve Olgu 2'de PT'nin anatomik incelenmesi ve kök kanal konfigürasyonunun değer-lendirilmesi KIBT ile yapılmıştır.…”

Section: Discussionunclassified

Paramolar Tubercle: Report of Five Cases with Clinical Considerations

Şekerci¹,

Özcan²

2015

Turkiye Klinikleri J Dental Sci Cases

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aramolar tüberkül (PT) genellikle daimi molarların bukkal yüzeyinde fazladan bir tüberkül olarak nadiren ortaya çıkan morfolojik bir anomalidir.1 1945 yılında, Dahlberg, üst molarların meziobukkal tüber-külünün bukkal yüzeyi ile ilişki olarak gelişen artı tüberkülleri "parasitil", alt molarların bukkal yüzeyi ile ilişkili olan artı tüberkülleri ise "protositil" olarak tanımlamıştır.2 Boyutları ve şekillerine göre değişiklik gösteren PT'ler, yalnızca bukkal yüzeyde bir çıkıntı ya da dişten bir fossa veya olukla ayrılmış olabileceği gibi, iyi gelişmiş loplu bir tüberkül veya süpernümere bir dişle füzyon oluşturmuş görünümde de olabilmektedir. 3,4 PT'lerin insidansı, üst 1. molarlarda %0-0,1 aralığında iken, bu oran üst 2. molarlarda %0,4-2,8, üst 3. azılarda ise %0-4,7 aralığındadır. 5,6 Bu vakalardaki anormal morfoloji, çapraşıklık, oklüzyon bozukluğu veya diş çü-rükleri ve periodontal hastalıklara ortam hazırlama gibi sonuçlara sebep olabilmektedir. , alt ve üst azıların bukkal yüzeylerinde fazladan ortaya çıkan herhangi bir anormal tüberkül veya eminens olarak tanımlanan, nadiren karşılaşılan morfolojik bir anomalidir. PT bakteriyel plak ve diş taşı birikimine imkân vermesi ve lokalize periodontit gibi periodontal hastalıklara sebep olması nedeni ile klinik olarak önemlidir. Ayrıca, bu anormal morfoloji çapraşıklık, oklüzyon bozukluğu, diş çürükleri ve pulpa hasarlarına zemin hazırlayan radiküler oluk defektleri ile sonuçlanabilmektedir. PT'nin anatomisi ve karmaşıklığı ile ilgili yeterli bilgiye sahip olmak, birçok diş hekimliği disiplinindeki tedavi prosedürleri ve ilişkili komplikasyonları etkilediğinden oldukça önemlidir. Bu çalışmada, paramolar tüberküllü beş olgu sunulmuş ve bu dü-zensiz yapı hakkındaki bilgimizi artırmak için klinik önemleri tartışılmıştır.A An na ah h t ta ar r K Ke e l li i m me e l le er r: : Konik ışınlı bilgisayarlı tomografi; radyoloji; diş anomalileri A AB BS S T TR RA AC CT T Paramolar tubercle (PT) is an uncommon morphologic anomaly which has been identified to any additional anomalous cusp or eminence occurring on the buccal surfaces of upper and lower molars. PT are clinically significant because they allow for the accumulation of bacterial plaque and calculus, and cause periodontal diseases such as localized periodontitis. In addition, this abnormal morphology can result in crowding, improper occlusion and radicular groove defects predisposing the tooth caries or pulp impairment. Adequate knowledge of the anatomy and complexities of the PTs is very important as they affect the treatment procedures and associated complications in many dental disciplines. The aim of this article is to present four cases with paramolar tubercle and to discuss its clinical importance to increase our understanding of this irregular structure.

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Maxillary second molar with 5 roots and 5 canals evaluated using cone beam computerized tomography: a case report

Cited by 45 publications

References 33 publications

Three‐dimensional computed topography analysis of a patient with an unusual anatomy of the maxillary second and third molars

Three‐dimensional computed topography analysis of a patient with an unusual anatomy of the maxillary second and third molars

Endodontic management of a maxillary second molar with five root canals: a case report

Paramolar Tubercle: Report of Five Cases with Clinical Considerations

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