| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
Swept source optical coherence tomography (SS-OCT) has been introduced recently as no ionizing radiation. SS-OCT images correlated closely with CBCT images, suggesting that SS-OCT can be a useful tool for the detection of crack lines, second mesiobuccal canal (MB2), and pulp horn.
We identify the problems and demands of present dental practice by surveying patients with tooth fracture visiting the endodontic outpatient clinic of a university dental hospital. The survey revealed that there is a great demand for endodontic outpatient clinics and it is necessary to educate general dentists about diagnostics.
A survey of permanent tooth extraction at Kami-Ina area, Nagano prefecture suggested that if there is an attrition or WSD, it is likely to tooth extraction due to tooth fracture, and compensatory loss of tooth is more related to root fracture than bone formation reaction which appears as compensation for occlusal force.
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