ArticleBMC oral health2021
CBCT evaluation of root canal morphology and anatomical relationship of root of maxillary second premolar to maxillary sinus in a western Chinese population.
Article in BMC oral health, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
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Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it, 31 citations in OpenAlex.
- Systematic review and meta-analysis of root morphology and canal configuration of permanent premolars using cone-beam computed tomography.BMC oral health · 2024Pooled it
- Association between periradicular lesions of posterior maxillary teeth and maxillary sinus pathologies.Odontology · 2026Article
- Intentional Tooth Replantation: Current Evidence and Future Research Directions for Case Selection, Extraction Approaches, and Post-Operative Management.Dentistry journal · 2026Review
- Complex root canals of maxillary second premolars are associated with the occurrence of multiple roots in maxillary first premolars: A cone-beam computed tomographic study in a Taiwanese population.Journal of dental sciences · 2026Article
- Analysis of root number and canal morphology of maxillary premolars using cone-beam computed tomography.Imaging science in dentistry · 2024Article
- Anatomical relationship between maxillary posterior teeth and the maxillary sinus in an Indonesian population: a CT scan study.BMC oral health · 2024Article
- Reinforcement of the Maxillary First Premolar With Bayonet-Shaped Radicular Anatomy: A Challenging Case.Cureus · 2024Article
- Article
- Periapical Lesions and Missed Canals in Endodontically Treated Teeth: A Cone-Beam Computed Tomographic Study of a Chinese Subpopulation.Medical science monitor : international medical journal of experimental and clinical research · 2023Article
- Morphological analysis of anterior permanent dentition in a Chinese population using cone-beam computed tomography.Head & face medicine · 2023Article
- Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo evaluate the root anatomy, root canal morphology and the anatomical relationship between the roots and maxillary sinus of maxillary second premolars by CBCT in a western Chinese population.
methodsA total of 1118 CBCT scans of the maxillary second premolars were collected from West China Hospital of Stomatology, Sichuan University. Information below were measured on axial, coronal and sagittal sections, recorded and evaluated properly: the number of roots and canals, the morphology of canal system classified by Vertucci standard, the inter-orifice distance of canal orifices, the curvature of each canal and the distance from root tip to maxillary sinus floor.
resultsAmong the 1118 teeth, 94.2% (1053) are single-rooted and 55.1% (616) have one canal. Type I (55.1%) is the commonest root canal morphology followed by Type II (31.9%). The mean inter-orifice distance (IOD) for multi-canal teeth ranging from 2.72 ± 0.32 to 3.41 ± 0.11 mm. Of 1622 canals, 38.8% (630) curvature are mesiodistal and 30.9% (501) are straight canals. The distance from root tip to maxillary sinus floor increased with age and the mean distance of single-rooted ones is 2.47 ± 3.45 mm.
conclusionsAll kinds of canal morphology category can be detected in maxillary second premolars. The IOD might be a predictable factor for root canal morphology. Roots of maxillary second premolars are related to maxillary sinus which should be treated carefully.
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