Root canal configurations of the first and second mandibular premolars in the population of north Syria

Habib, Amir; Kalaji, Mohammad N.; saysd, Tyseer J. Al; Jawfi, Khaled Ahmed Al

doi:10.1016/j.jtumed.2015.02.011

Cited by 10 publications

(20 citation statements)

References 25 publications

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“…E há uma incidência relativamente elevada (24,2%), destes dentes que possuem dois ou mais canais 9 . A morfologia dos canais radiculares dos pré-molares inferiores tem sido relatada com base em estudos de diversos grupos populacionais, incluindo chinês, turco, africano, americano, mexicano e a maioria deles relatam que o segundo ou o terceiro canal radicular está presente em pelo menos 23,1% dos primeiros pré-molares e 12,1% dos segundos pré-molares inferiores 7 . Dados epidemiológicos demonstram que os primeiros pré-molares inferiores são duas vezes mais propensos a apresentar multiplicidade de raízes do que os segundos pré-molares inferiores, como bem demonstrado no presente relato de caso.…”

Section: Discussionunclassified

“…Ao teste à percussão vertical, o dente respondeu positivamente. Radiograficamente (Figura 2) observou-se uma anatomia incomum do dente 44, representada pela bifurcação radicular ao nível do terço médio, sugerindo canais extras e radiolucidez periapical, configurando conduto radicular tipo VIII, de acordo com a classificação de Vertucci 7 . Diante dos achados clínicos e radiográficos, o dente 44 foi diagnosticado com necrose pulpar e lesão periapical crônica, com necessidade de tratamento endodôntico.…”

Section: Caso Clínicounclassified

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Tratamento endodôntico de primeiro pré-molar inferior com três canais: relato de caso

Endo¹,

Tomazoli²,

Queiroz³

et al. 2017

Arch Health Invest

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ResumoO conhecimento da anatomia dos canais radiculares é um pré-requisito para o sucesso do tratamento endodôntico. Pré-molares inferiores têm revelado anatomias anômalas. A ocorrência de três canais com forames independentes (tipo VIII, Vertucci) em pré-molares inferiores é muito rara. Este artigo tem como objetivo relatar e discutir sobre o tratamento endodôntico de um primeiro pré-molar inferior com três canais radiculares. Paciente de 43 anos relatava dor à mastigação no primeiro pré-molar inferior direito. Clinicamente, apresentava fratura da parede ocluso-distal, cárie no remanescente coronário e exposição da câmara pulpar. Ao teste de sensibilidade pulpar foi verificada resposta negativa e à percussão vertical o dente respondeu positivamente. Radiograficamente observou-se uma bifurcação radicular ao nível do terço médio, sugerindo canais extras e radiolucidez periapical. O diagnóstico foi de necrose pulpar e lesão periapical crônica, com necessidade de tratamento endodôntico. Após anestesia, realizou-se a remoção de tecido cariado e adequada forma de conveniência. O tratamento foi realizado em uma única sessão por meio de localizador eletrônico foraminal e sistema rotatório Mtwo, sendo o diâmetro cirúrgico 25.06 nos canais vestibulares e 30.05 no canal lingual. A substância irrigadora empregada foi o hipoclorito de sódio 2,5%. Os canais foram obturados com cones de guta-percha e Endomethasone utilizando a técnica de condensação lateral. Em seguida foi realizada a restauração provisória e radiografia final. Concluiu-se que o sucesso do tratamento endodôntico, envolvendo o primeiro pré-molar inferior com três canais, requer do dentista um vasto conhecimento anatômico e uma investigação detalhada do caso a ser tratado. Descritores: Anatomia; Endodontia; Tratamento do Canal Radicular; Dente Pré-Molar. AbstractThe knowledge of root canal anatomy is a prerequisite for success full endodontic treatment. Mandibular premolars has revealed anomalous anatomy. The occurrence of three root canals with independent foramen (type VIII, Vertucci) in premolars is very rare. This article aims to report and discuss the endodontic treatment of mandibular first premolar with three root canals. A 43-year-old patient reported pain on chewing in the right mandibular first premolar. The clinical examination revealed a fractured restoration occluso-distal, caries in the coronal structure and exposure of the pulp chamber. Cold test was negative and percussion test was positive. The radiography showed a root division to the middle third level, suggesting extra canal and periapical radiolucency. The diagnosis was pulp necrosis and chronic apical periodontitis in need of endodontic treatment. After local anesthesia, the carious tissue was removed according appropriate way to convenience. The endodontic treatment was performed in a single visit using apex locator and Mtwo rotary system, with surgical diameter corresponding 25.06 in buccal canals and 30.05 in lingual canal. Irrigation solution used was 2.5% sodium hypochlorite. The cana...

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Section: Discussionunclassified

Section: Caso Clínicounclassified

Tratamento endodôntico de primeiro pré-molar inferior com três canais: relato de caso

Endo¹,

Tomazoli²,

Queiroz³

et al. 2017

Arch Health Invest

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show abstract

“…An adequate flaring of the coronal part of the canal is very important for straight line access of the instruments and for unobstructed passage of instrument into the second canal. Failure to recognize the presence of extra root canal will lead eventually to acute flareups during treatment and subsequent failure of endodontic therapy [8,9].…”

confidence: 99%

Non-Surgical Management of Mandibular First Premolar with Two Roots: Case Report

Aboalsamh¹,

Endo²

2018

Oral Health Dental Sci

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Knowledge of basic root and root canal morphology and possible variation in anatomy of root canal system is important to achieve successful non-surgical root canal treatment this is followed by negotiation, cleaning and shaping and obturation of the entire canal system in three dimensions. This case presents the diagnosis and successful non-surgical endodontic management of a two rooted mandibular first premolar.

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“…7 On the other hand where mild crowding is present or where space is remaining at the end of the treatment, the two-cusp type can undergo a buildup to close the extraction space. 7,8 The coronal morphology of tooth sculpts an outline of the radicular morphology including the configuration and the number of root canals. Anomalous coronal morphological features like supplemental cusps, tubercles, deep occlusal grooves or altered mesio-distal dimension could be complemented by anomalous endodontic morphology which compounds the struggle for clinicians.…”

Section: Introductionmentioning

confidence: 99%

“…Updated knowledge and thorough clinical examination can aid an endodontist in quality and satisfying practice. 8,9 Dental morphology including occlusal groove patterns, missing teeth, dental restorations, crowding or wear pattern of teeth and other unusual dental variances give every individual a distinctive identity. The records of these characters can help in identification of a deceased individual and so are employed in the field of dental anthropology and forensic dentistry.…”

Section: Introductionmentioning

confidence: 99%

Frequency of different groove patterns seen on the occlusal surface of mandibular second premolars

Ali¹,

Niazi²,

Saqib³

et al. 2019

JIMDC

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Background: The Mandibular second premolar has commonly three different type traits depending on the occlusal groove patterns. In addition to that they are also recognized on the basis of number of cusps. The objectives of the study were to determine the frequency of different occlusal groove patterns of mandibular second premolars and to acquire base line data for future studies in this population and field of research.Material and Methods: This study was conducted in Islamabad Dental Hospital (IDH), from September 2017 to December 2017. A total of 600 patients (1200 teeth) with fully erupted mandibular second premolars of normal occlusal morphology, in age group of 15 years and above were screened in the Out Patient Department (OPD). Groove patterns on occlusal surfaces and their anatomical variations on both sides i.e. right and left, were observed and noted in a proforma. Data was analyzed using SPSS version 22.Results: Three different patterns of occlusal grooves (Y, U and H) were found in our study population. Y groove pattern was observed in 364 teeth (30.33%), U pattern in 447 teeth (37.25%) and H pattern was noted in 389 (32.41%) teeth. Among males, U pattern was predominant (43.84%) followed by H and then Y pattern. In females, H pattern grooves was found mostly (34.41%), followed by Y and U pattern.Conclusion: The most frequent occlusal groove pattern observed in our population was U followed by H and Y type.

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Root canal configurations of the first and second mandibular premolars in the population of north Syria

Cited by 10 publications

References 25 publications

Tratamento endodôntico de primeiro pré-molar inferior com três canais: relato de caso

Tratamento endodôntico de primeiro pré-molar inferior com três canais: relato de caso

Non-Surgical Management of Mandibular First Premolar with Two Roots: Case Report

Frequency of different groove patterns seen on the occlusal surface of mandibular second premolars

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