Articles with "first molars" as a keyword



The Effect of 3D Printed Models on the Ability of Dental Students to Locate the Second Mesiobuccal Canal in Maxillary First Molars.

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Published in 2025 at "Journal of dental education"

DOI: 10.1002/jdd.70092

Abstract: OBJECTIVES Endodontic treatment is one of the final options aimed at preserving a tooth before extraction. The complex root canal anatomy of maxillary first molars (MFMs), particularly the detection of the second canal located in… read more here.

Keywords: first molars; maxillary first; dental students; anatomy ... See more keywords

Alveolar bone configuration in mandibular first molars with disto-lingual roots: A cross-sectional radiographic study.

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Published in 2025 at "Journal of periodontology"

DOI: 10.1002/jper.11383

Abstract: BACKGROUND Precise assessment of anatomical variations and alveolar bone configurations (ABCs) in permanent mandibular first molars (PMFMs) is crucial for effective periodontal treatment. This cross-sectional study aimed to evaluate the prevalence of disto-lingual roots (DLRs)… read more here.

Keywords: first molars; mandibular first; disto lingual; bone ... See more keywords

Preliminary analysis testing the accuracy of radiographic visibility of root pulp in the mandibular first molars as a maturity marker at age threshold of 18 years

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Published in 2020 at "International Journal of Legal Medicine"

DOI: 10.1007/s00414-020-02257-5

Abstract: Forensic age estimation, after completion of third molar mineralization, regressive features such as apposition of secondary dentin, which is seen as narrowing of the pulp space in the radiographs, can be used as an alternative.… read more here.

Keywords: root pulp; mandibular first; age; first molars ... See more keywords

Age estimation based on 3D pulp chamber segmentation of first molars from cone-beam–computed tomography by integrated deep learning and level set

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Published in 2020 at "International Journal of Legal Medicine"

DOI: 10.1007/s00414-020-02459-x

Abstract: Objectives To develop an automatic segmentation method to segment the pulp chamber of first molars from 3D cone-beam–computed tomography (CBCT) images, and to estimate ages by calculated pulp volumes. Materials and methods Patients with CBCT… read more here.

Keywords: pulp chamber; first molars; age; segmentation ... See more keywords

Prevalence of Second Mesiobuccal Canals in Maxillary First Molars Detected Using Cone-beam Computed Tomography, Direct Occlusal Access, and Coronal Plane Grinding.

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Published in 2017 at "Journal of endodontics"

DOI: 10.1016/j.joen.2017.05.011

Abstract: INTRODUCTION The purpose of this study was to determine the prevalence of the second mesiobuccal canal (MB2) in 100 maxillary first molars using 3 independent methods and a combination method. METHODS One hundred extracted human… read more here.

Keywords: cbct scan; first molars; mb2 canal; maxillary first ... See more keywords

The association between choice of diagnostic imaging modality and long term treatment outcomes for patients undergoing non-surgical root canal treatment on maxillary first molars.

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Published in 2020 at "Journal of endodontics"

DOI: 10.1016/j.joen.2020.11.027

Abstract: INTRODUCTION Radiography has played a fundamental role in the advancement of non-surgical root canal therapy (NSRCT), allowing for more accurate diagnosis and treatment. Typically, providers choose to perform NSRCT using periapical radiographs (PA) alone or,… read more here.

Keywords: imaging modality; treatment disease; first molars; treatment ... See more keywords

Prevalence of radix entomolaris and distolingual canals and their association with the incidence of middle mesial canals in mandibular first molars of a Saudi subpopulation

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Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-20045-2

Abstract: This study aimed to determine the prevalence of radix entomolaris (RE), distolingual canals (DLCs), and middle mesial canals (MMCs) in mandibular first molars within a Saudi subpopulation and to explore potential associations among these variations… read more here.

Keywords: radix entomolaris; first molars; age; mandibular first ... See more keywords

Root Anatomy and Canal Configuration of Maxillary Molars in a Brazilian Subpopulation: A 125-μm Cone-Beam Computed Tomographic Study

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Published in 2019 at "European Journal of Dentistry"

DOI: 10.1055/s-0039-1688736

Abstract: Objective Knowledge of internal anatomy of the teeth is of great importance in endodontics, leading to success in root canal therapy (RCT). The aim of this study was to assess the root anatomy and canal… read more here.

Keywords: maxillary second; configuration; first molars; second molars ... See more keywords

Efficacy of four local anaesthesia protocols for mandibular first molars with symptomatic irreversible pulpitis. A randomized clinical trial.

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Published in 2021 at "International endodontic journal"

DOI: 10.1111/iej.13667

Abstract: AIM To examine the efficacy rate of four anaesthetic protocols in mandibular first molars with symptomatic irreversible pulpitis (SIP). METHODOLOGY One-hundred-sixty patients with a SIP diagnosis were included in this randomized clinical trial. Patients were… read more here.

Keywords: mandibular first; first molars; efficacy; rate ... See more keywords

A Radiographic Evaluation of Missing of Permanent First Molars in a Group of Iranian Children and Adults: A Retrospective Study

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Published in 2018 at "International Journal of Dentistry"

DOI: 10.1155/2018/5253965

Abstract: The missing of permanent first molars influences the occlusal status and dental health. The purpose of this study was to determine the prevalence of missing first molar teeth in a selected population of Shiraz, Iran.… read more here.

Keywords: permanent first; first molar; first molars; missing permanent ... See more keywords
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Four-Rooted Maxillary First Molars: A Systematic Review and Meta-Analysis

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Published in 2021 at "International Journal of Dentistry"

DOI: 10.1155/2021/8845442

Abstract: Objectives The majority of human maxillary first molars is usually described as having three roots, but different morphologies were documented in several studies and case reports. One very rare and less investigated anatomical anomaly is… read more here.

Keywords: four rooted; first molars; rooted maxillary; maxillary first ... See more keywords