간행물
대한구강악안면병리학회지 KCI 등재 The Korean Journal of Oral and Maxillofacial Pathology
- 발행기관 대한구강악안면병리학회
- 자료유형 학술지
- 간기 격월간
- ISSN 1225-1577 (Print)2384-0900 (Online)
- 수록기간 1977 ~ 2024
- 주제분류 의약학 > 치의학 의약학 분류의 다른 간행물
- 십진분류KDC 515DDC 610
권호리스트/논문검색
제47권 제6호 (2023년 12월) 3건
1.
2023.12
구독 인증기관 무료, 개인회원 유료
Purpose: Even today, cancer remains a challenge to overcome. The purpose of this study is to understand the current status of lip-oral-pharyngeal cancer in Koreans by identifying the survival rate of lip-oral-pharyngeal cancer in Koreans through long-term big data. Material and Method: This study utilized 2023 KOSIS (Cancer Registration Statistics, Ministry of Health and Welfare) academically. The 5-year relative survival rates of lip-oral-pharyngeal cancer from 1996 to 2020 were compared and analyzed at 5-year intervals. Results: The 5-year relative survival rate for lip-oral-pharyngeal cancer was 47.4% from 1996 to 2000, 54.5% from 2001 to 2005, 61.1% from 2006 to 2010, 65.5% from 2011 to 2015, and 69.7% from 2016 to 2020. From 1996 to 2005, the 5-year relative survival rate for lip-oral-pharyngeal cancer was higher than the 5-year relative survival rate for all cancers. However, in the recent 15 years from 2006 to 2020, the 5-year relative survival rate for lip-oral-pharyngeal cancer was lower than for all cancers. Conclusions: In conclusion, this long-term big data showed that the 5-year relative survival rate of lip-oral-pharyngeal cancer in Koreans has increased further in modern times. However, in order to increase the overall survival rate of all human cancers, continuous efforts to improve the survival rate of lip-oral-pharyngeal cancer are needed in the future.
4,000원
2.
2023.12
구독 인증기관 무료, 개인회원 유료
This study aimed to investigate which areas AI is sensitive when inputting panoramic radiographs with dental area masked and when inputting unmasked ones. Therefore, the null hypothesis of this study was that masking dental area would not make a difference in the sensitive areas of osteoporosis determination of AI. For this study 1165 female(average age 48.4 ± 23.9 years) from whom panoramic radiographs were taken were selected. Either osteoporosis or normal should be clearly defined by oral and maxillofacial radiologists. The panoramic radiographs from the female were classified as either osteoporosis or normal according to the mandibular inferior cortex shape. VGG-16 model was used to get training, validating, and testing to determine between osteoporosis or normal. Two experiments were performed; one using unmasked images of panoramic radiographs, and the other using panoramic radiographs with dental region masked. In two experiments, accuracy of VGG-16 was 97.9% with unmasked images and 98.6% with dental-region-masked images. In the osteoporosis group, the sensitive areas identified with unmasked images included cervical vertebrae, maxillary and mandibular cancellous bone, dental area, zygomatic bone, mandibular inferior cortex, and cranial base. The osteoporosis group shows sensitivity on mandibular cancellous bone, cervical vertebrae, and mandibular inferior cortex with masked images. In the normal group, when unmasked images were input, only dental region was sensitive, while with masked images, only mandibular cancellous bone was sensitive. It is suggestive that when dental influence of panoramic radiographs was excluded, AI determined osteoporosis on the mandibular cancellous bone more sensitively.
4,000원
3.
2023.12
구독 인증기관 무료, 개인회원 유료
In addition to its effectiveness in resolving apical periodontitis, regenerative endodontic treatment (RET) has advantages of inducing root maturation and restoring innate immunity or sensory function through revascularization. However, its adoption in mature teeth in adults has been scarce due to limited stem cell sources and constricted apical size. In recent years, there have been instances of studies performing RET in mature permanent teeth. The present case report describes the treatment of apical periodontitis in a previously treated mature permanent tooth using RET with a 3-year follow up. In the present case, a 34-year-old female patient presented with previously treated maxillary lateral incisor with a large radiolucency. After removal of previous gutta percha within the root canal, bleeding was induced by passing hand file beyond root apex and calcium hydroxide was applied over the blood clot. During the 9-month follow-up, a reduction in periapical radiolucency was observed. Subsequently, after removing calcium hydroxide, apical bleeding was induced again and mineral trioxide silicate was placed up to 3mm beneath cemento-enamel junction, above the blood clot. The tooth was later restored with glass-ionomer cement and composite resin. After 3 years, the tooth was asymptomatic and radiographic evaluations showed complete resolution of periapical radiolucency with presence of normal lamina dura and periodontal ligament space. In conclusion, modified RET with long-term calcium hydroxide application is a potentially viable treatment option for previously treated mature permanent teeth with apical periodontitis. However, further clinical studies with larger number of cases are recommended to verify its effect.
4,000원
