Use of CBCT in Dental Implant Treatment Planning - A Systematic Review and Meta-Analysis

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Saad M Alqahtani et al.

Abstract

Background: With the introduction of dental implants there has been a revolution in the field of prosthetics dentistry. Dental implants can be used for rehabilitation of both partially and completely edentulous maxilla and mandible. Proper diagnosis and treatment planning are one of the important factors having important role in the successful dental implants treatment. Cone Beam Computed Tomography (CBCT) is three dimensional imaging technique being introduced recently.


Aim: This systematic review and meta-analysis was carried out with the objective of assessment of role of CBCT in the treatment planning of dental implants.


Materials and Methods: A detailed and extensive search was performed with the help of keywords CBCT, dental implants, treatment planning. There was extensive literature search in reliable and authentic databases   like Pubmed, Scopus, Web of Sciences, Ovidsp for obtaining papers focussing on stroke mimics since 1980 till 2021. During the systemic review data were obtained concerning the following parameters. Type of study, nature of aim of study, number of patients and specimens included in the study in the study, imaging modality used in study, total number of implants placed, total number of implants evaluated, deviation in angulation, deviation at the entry of implants, deviation at the apex, bone height assessment, bone width assessment, bone density assessment, distance from the important anatomical structures. Then there was meta-analysis using proper statistical analysis.


Results: When there was meta analysis for different aspects of dental implants then it was found that the error in assessment of angulation of implant was minimal in CBCT  with 95% CI as 0.12( -0.06,0.28) in comparison other conventional two dimensional imaging. The results of meta analysis for different aspects of dental implants showed that the error in assessment of  deviation of implant at the apex and deviation of implant at the apex of implant was minimal in CBCT  with 95%CI 0.10( -0.08,0.28) as  in comparison other conventional two dimensional imaging. On evaluating the height, width, density of remaining alveolar bone and distance from the important anatomical structures it was found that accuracy was maximum in CBCT as compared with other conventional two dimensional imaging techniques .95% CI  0.13 ( -0.07,0.28).


Conclusion: Within the limitations of this systematic review and meta analysis it can be concluded CBCT is better imaging technique in treatment planning of dental implants in comparison with other two dimensional imaging techniques but high cost and radiation exposure reduce its use for dental implant treatment planning.

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