Patient movement and motion artefacts in cone beam computed tomography of the dentomaxillofacial region: a systematic literature review

• Published in: Oral surgery, oral medicine, oral pathology and oral radiology oral medicine, oral pathology and oral radiology, 2016-04, Vol.121 (4), p.425-433
• Main Authors: Spin-Neto, Rubens, DDS, PhD, Wenzel, Ann, DDS, PhD, Dr Odont
• Format: Article
• Language: English
• Subjects: Cone-Beam Computed Tomography; Dentistry; Head Movements; Humans; Surgery
• ISSN: 2212-4403; 2212-4411
• DOI: 10.1016/j.oooo.2015.11.019

Abstract Objectives To undertake a systematic review on the current knowledge regarding patient movement detection and patient motion artefacts related to CBCT imaging of the dentomaxillofacial region. Methods The MEDLINE (PubMed) bibliographic database was searched until June 2015 for studies evaluating patient movement and/or motion artefacts in CBCT. The search strategy was restricted to English-language publications using the following combined terms: (movement OR motion) AND (CBCT OR cone beam CT). Results The search strategy yielded 8 publications, which qualitatively or quantitatively evaluated patient movement and/or patient motion artefacts in CBCT. Conclusions The literature suggests that patient movement usually presents itself in CBCT images as stripe- and ring-like patterns, double bony contours, and overall unsharpness. Studies monitoring the patient during CBCT examination reported a prevalence of movement in approximately 20% of the cases, while studies based on image artefact recognition to define patient movement reported prevalence as high as 41.5%. There seems to be a consensus on the fact that young patients (children and adolescents) often move during the examination.