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AIM To evaluate the external and internal anatomy of maxillary first premolar teeth in a Chinese subpopulation using cone-beam computed tomography (CBCT). METHODOLOGY A total of 300 CBCT images involving maxillary first premolar teeth were obtained from 241 patients who underwent CBCT scanning as part of an oral and dental examination for bone mass before(More)
AIM To evaluate the root canal configuration of permanent mandibular first and second molar teeth in a Chinese subpopulation using cone-beam computed tomography (CBCT). METHODOLOGY Patients who required CBCT radiographic examinations as part of their routine examination, diagnosis and treatment planning, were enrolled. Cases where the anatomy was(More)
This study explored the sedative and analgesic effects of fentanyl combined with propofol via an intrathecal chemotherapy injection for acute leukemia (acute lymphocytic leukemia or acute myelocytic leukemia) among children, to relieve pain and difficulty during intrathecal injection, improve treatment compliance, increase the success rate of single(More)
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