【正文】 牙科放射線學 Oral Digital Image Artifacts 口腔數(shù)位影像失誤 高雄醫(yī)學大學 口腔病理科 ? Identify and classify oral digital image artifacts ? Know how to eliminate oral digital image artifacts 學 習 目 標 1. Eric Whaites: Essentials of dental radiography amp。 radiology 3rd edition, Chapter 17 2. White amp。 Pharoah: Oral radiology: principle amp。 interpretation 5th edition, Chapter 22 References 3. Kaohsiung Medical University, Oral Pathology Department 4. Parks ET, et al. J Contemp Dent Pract 2022。4:2339 Photostimulable phosphor storage plate (PSP) system Digital Image Artifacts Ref. 3 PSP sensor plates Side towards Xray tube Equivalent to the ‘dot’ on conventional radiographic film Ref. 3 PSP sensor plate Sealed with disposable barrier envelope Ref. 3 A black box used to protect the sensor plate from room light Ref. 3 Teeth of both jaws ground down until smooth amp。 a plastic tube was inserted into the smaller jaw SnapARay holding device Modified SnapARay holding device Ref. 3 Conventional occlusal film Ref. 3 Doublesided tape Doublesided tape Ref. 3 Protection of digital occlusal film Ref. 3 Normal amp。 defective PSP sensor plates Operator Errors Ref. 4 Correct orientation of sensor plate within the cassette Ref. 3 A C The sensor plate was incorrectly placed upside down within the cassette Ref. 3 A C The surface of the sensor plate exposed to the Xray was incorrectly inclined during the scanning process Ref. 3 Repeated Xray exposure of the same intraoral sensor plate Retaken a corrected image Ref. 3 Image obtained was too bright due to delayed sensor plate scanning Ref. 3 Bending of the intraoral sensor plate within the mouth Ref. 3 Scanning Machine Errors Refs. 3, 4 Image obtained was too bright despite scanning with optimal conditions and procedures Ref. 3 Image obtained was too bright despite scanning with optimal conditions and procedures Ref. 3 A B Image obtained was too bright despite scanning with optimal conditions and procedures Correct image obtained after rescanning with another scanner Ref. 3 Uneven brightness of an extraoral image after scanning Ref. 3 An additional horizontal white line was noted after scanning Ref. 3 B Reduction in image size after scanning Ref. 3 After the scanning of two different intraoral sensor plates in two different slots of the scanning machine, the two resulting images was overlapped Ref. 3 Only half of the intraoral image was displayed after scanning Ref. 3 Sensor Errors Ref. 3 A B Defective image resulting from sensor plate damaged by scratches or bite mark Ref. 3 Defective image resulting from sensor plate damaged by bite mark Ref. 3 Defective image resulting from partial peeling of the crystalline halide coating of the intraoral sensor plate Ref. 3 公元 11年（ 4f腫瘤 fbb癌癥 yuw3胃癌 d65io腸癌 .f2tr肺癌 65ff） (西漢王莽新朝三年 )，是中國古老的實證醫(yī)學萌芽。由于儒、釋、道三教合流所形成的中國文化格局，“重道輕器” （ 45傳染病 q566丙肝 964jo乙肝 28jgsx甲肝 gh）衍生出的務虛傾向，重體悟而疏實證，必然缺少邏輯推理，致使中國的實證醫(yī)學成就在日后難以與西方醫(yī)學同日而語。古埃及醫(yī)師運用念咒、畫符和草藥治病，前二者就是巫醫(yī)。（ df高血壓 958心臟病 983u6糖尿病 87fr）西醫(yī)在古希臘時期就開始醫(yī)巫分家，亞里士多德曾詳細描述了動物的內(nèi)臟和器官，古希臘醫(yī)學最高成就的代表人物希波克拉底將唯物主義哲學運用于醫(yī)學之中，在 《 論圣病 》 中說：“被人們稱為