An in-depth understanding of the anatomical variations of maxillary molars is essential for endodontic success. Unlike the maxillary second molars, the presence of a second palatal root is uncommon in the first maxillary molar. This case report describes two cases of non-surgical management of maxillary molars with extra palatal roots. Careful clinical examination, knowledge of the internal anatomy, and the use of advanced radiographic modalities like cone beam computed tomography (CBCT) can reveal the presence of variations in the internal and external anatomy of any tooth. Therefore, for nonsurgical as well as surgical management clinicians should always watch out for any deviations in a tooth and utilize all the available tools to diagnose and manage them successfully.
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http://dx.doi.org/10.30476/dentjods.2023.98649.2101 | DOI Listing |
BMC Oral Health
January 2025
Beijing Yakebot Technology Co., Ltd, F-616-West Building, Yonghe Plaza, No. 28 Andingmen Dongdajie, DongCheng District, Beijing, 100007, China.
Background: The surgical complexity associated with the palatal roots of maxillary molars was considerably elevated. Previous studies on the relationships between maxillary molar roots and the maxillary sinus or cortical plates have focused on individual root observation without considering the positional relationship between buccal and palatal roots or analysing the surgical pathway of maxillary molar palatal roots. This study aimed to investigate the relationship between maxillary molar palatal roots and adjacent anatomical structures to provide a reference for performing palatal roots endodontic microsurgery.
View Article and Find Full Text PDFBMC Med Imaging
January 2025
Department of Dentomaxillofacial Radiology, Faculty of Dentistry, İstanbul Medipol University, İstanbul, Turkey.
Background: This retrospective study aims to characterise the root canal morphology of maxillary and mandibular second molars using cone-beam computed tomography (CBCT). The number of roots and canal configurations were evaluated using both the Vertucci and Benjamı´n Brisen˜ o Marroquı´n classification systems.
Methods: A total of 1084 second molar images (523 maxillary; 266 right and 257 left side and 561 mandibular; 285 right and 276 left side) were evaluated from 320 CBCT scans analyzed for the Turkish subpopulation.
Dent J (Basel)
November 2024
Department of Orthodontics, Rostock University Medical Centre, Strempelstrasse 13, 18057 Rostock, Germany.
Extensive and closely coordinated remodeling processes take place in the periodontal ligament (PDL) and the adjacent bone during orthodontic tooth movement. In complex orthodontic cases, it is necessary to move teeth into an augmented bony defect, for example, in patients with cleft lip, alveolus, and palate. The important role of the PDL during tooth movement is well accepted but not fully understood.
View Article and Find Full Text PDFDiagnostics (Basel)
December 2024
Conservative Department, College of Dentistry, University of Sulaimani, Sulaimani 46001, Iraq.
The purpose of this study was to measure the bone thickness and angulation of the maxillary and mandibular anterior teeth on the buccal and palatal/lingual sides and also to analyze the sagittal root position (SRP) in the alveolar bone in relation to age and gender using cone-beam computed tomography (CBCT) in an Iraqi subpopulation. CBCT images of 1200 maxillary and mandibular central and lateral incisors and canines from 100 patients (48 males and 52 females) were retrospectively analyzed. These patients were categorized by age into group I ≤ 25, group II 26-40, and group III ≥ 41 years old.
View Article and Find Full Text PDFOral Radiol
December 2024
Department of Oral Radiology, School of Dentistry, Asahi University, 1851 Hozumi, Mizuho-Shi, Gifu, 501-0296, Japan.
Objective: The horizontal tube-shifting technique can be adopted to separate overlapping buccal roots of the maxillary molar from the palatal root. A simulation study was performed to determine an appropriate tube-shift angulation when adopting three-dimensional computed tomography imaging.
Methods: Cone-beam computed tomography images of 21 volunteers were used for simulation.
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