Imaging Science in Dentistry

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
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Factors affecting the reduction rate of odontogenic cysts after decompression based on 3-dimensional volumetric analysis

  • Sarawut Wongrattanakarn (Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University) ;
  • Vorapat Trachoo (Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University) ;
  • Boosana Kaboosaya (Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University) ;
  • Pornkawee Charoenlarp (Department of Radiology, Faculty of Dentistry, Chulalongkorn University) ;
  • Net-nada Chongruangsri (Somdech Phra Pinklao Hospital, Naval Medical Department, Royal Thai navy) ;
  • Patcharapit Promoppatum (Department of Mechanical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi)
  • Received : 2023.04.12
  • Accepted : 2023.07.21
  • Published : 2023.12.31
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Abstract

Purpose: This study aimed to investigate the potential factors that could affect the reduction rate of odontogenic cysts following decompression using cone-beam computed tomography (CBCT) for 3-dimensional volumetric analysis. Materials and Methods: The study sample consisted of CBCT images of 41 individuals who underwent decompression of odontogenic cysts at the Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University, between 2010 and 2022. Preoperative and postoperative CBCT results were collected, and a volumetric analysis was conducted to evaluate the differences in the reduction rate and the percentage of volume reduction of cystic lesions based on different parameters. Correlations between these parameters were analyzed to determine associations. Results: In this study, the average time of decompression for odontogenic cysts was 316 days. Males demonstrated a higher reduction rate than females (P<0.05). The reduction rate was directly proportional to initial cyst volume, with higher reduction rates for cysts with large initial volume than those with small initial volume (P<0.05). Spearman's rank correlation coefficient indicated a weak positive correlation between the initial cyst volume and the duration of decompression. Additionally, a strong positive correlation was observed between the initial volume and the reduction rate. Conclusion: Knowledge of the reduction rate of odontogenic cysts is vital for surgeons to evaluate the duration of decompression before enucleation and to determine a definitive treatment plan. Sex and initial lesion volume had significant effects on the reduction rate.

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References

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