Citation Information :
Yadav V, Vohra P. Propinquity of Posterior Roots to Maxillary Sinus Using Cone Beam Computed Tomography: A Radiographic Analysis. World J Dent 2023; 14 (12):1063-1069.
Aim: This study highlights the importance of knowing the exact morphometric relation of maxillary sinus (MS) with roots of maxillary posterior teeth by using three-dimensional (3D) imaging as a modality in north Indian population.
Materials and methods: Using a Planmeca cone beam computed tomography (CBCT) machine, retrospective data collection was carried out on a group of patients. The study examined 2,000 maxillary posterior teeth from 300 CBCT scan patients based on inclusion and exclusion criteria. The vertical relationship between maxillary posterior teeth and maxillary sinus floor (MSF) was assessed using the Kwak et al. classification for multirooted teeth and the Razumova et al. classification for fused roots. Chi-squared testing and statistical comparison were performed on the data using the Statistical Package for Social Sciences (SPSS). A p-value of < 0.05 was deemed statistically significant.
Results: The premolars (PM) with fused roots showed the type I vertical relationship with MSF reported by Razumova et al., whereas the PMs with separated roots revealed the type I vertical relationship reported by Kwak et al. In the fused roots category, type I was found to have the highest Chi-square comparison score for 24 tooth sites. Molars with divided roots exhibit the Kwak et al. type I vertical relationship. For tooth site 17, type I was found to be substantially more distributed on Chi-square comparison. In molars with fused roots, the vertical relationship of Kwak et al. type III was noted.
Conclusion: Notably, this research methodology seems comprehensive and all-inclusive, addressing a gap in the existing literature. Dentistry can greatly benefit from the study of unique anatomical variations and their effects.
Clinical significance: Notably, this study provides a precise description of the position and relationship between roots of maxillary posterior teeth with a critical structure (i.e., MS), which surgeons can use for immediate implant placement in that region.
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