Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
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EVALUATION OF MAXILLARY SINUS USING CONE-BEAM CT IN PATIENTS SCHEDULED FOR DENTAL IMPLANT IN MAXILLARY POSTERIOR AREA

상악 구치부 임플란트 치료를 위해 내원한 환자들에서 Cone-beam CT를 이용한 상악동의 평가

  • Cheong, Chang-Shin (Department of Oral & Maxillofacial Radiology, School of Dentistry, Pusan National University) ;
  • Cho, Bong-Hae (Department of Oral & Maxillofacial Radiology, School of Dentistry, Pusan National University) ;
  • Hwang, Dae-Seok (Department of Oral & Maxillofacial Surgery, School of Dentistry, Pusan National University) ;
  • Jung, Yeon-Hwa (Department of Oral & Maxillofacial Radiology, School of Dentistry, Pusan National University) ;
  • Naa, Kyeong-Soo (Department of Oral & Maxillofacial Radiology, School of Dentistry, Pusan National University)
  • 정창신 (부산대학교 치과대학 구강악안면 방사선학교실) ;
  • 조봉혜 (부산대학교 치과대학 구강악안면 방사선학교실) ;
  • 황대석 (부산대학교 치과대학 구강악안면외과학교실) ;
  • 정연화 (부산대학교 치과대학 구강악안면 방사선학교실) ;
  • 나경수 (부산대학교 치과대학 구강악안면 방사선학교실)
  • Published : 2009.02.28
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Abstract

Objective: The purpose of this study is to determine the prevalence of sinus disease and abnormalities in patients scheduled for dental implant in maxillary posterior area using cone beam CT. Patients and Method: One hundred five maxillary sinuses in eighty-seven patients who underwent cone beam CT for dental implant in maxillary posterior area were included. Any patients who had previous history of sinus operations were not included. The sinus abnormalities were classified as follows ; normal (membrane thickness <2 mm), mucosal thickening (membrane thickness ${\geq}$ 2 mm and < 6 mm), partial opacification (membrane thickness > 6 mm but not full), full opacification and mucous retention cyst. The relationship between the remaining bone height, sinus symptoms and maxillary sinus abnormality was statistically surveyed. Results: Of 105 maxillary sinuses in 87 patients, 80 (76%) maxillary sinuses showed abnormalities ; 4 of 4 symptomatic patients and 76 of 101 asymptomatic patients. Mucosal thickening was the most common sinus abnormality. Only 3 (4%) of 80 maxillary sinus abnormalities were caused by the odontogenic origin. The prevalence of maxillary sinus abnormalities was higher in the symptomatic group than asymptomatic one (p<0.05). Conclusion: Maxillary sinus abnormalities were very common in the patients who were planning implantation in maxillary posterior areas. This result supports that thorough evaluation for maxillary sinus is recommended when implant treatment is planned for those areas.

Keywords

References

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