Objective:To Compare root resorption between T loop technique and sliding technique of orthodontic treatment.Meth-ods:90 patients with Angle class I malocclusion were orthodontically treated by MBT fixed appliances with T loop technique(n =45) and sliding technique(n =45)respectively.Root resorption of the patients were examined by grading evaluation method with orthopan-tomography and periapical films before and after orthodontic treatment.Results:After orthodontic treatment the tooth root resorption rate increased(P <0.05),the root resorption rate was not significantly different between T loop technique group and sliding technique group(P >0.05).Root resorption mostly occurred in the incisors,especially in mandibular tooth.Conclusion:There is no difference of the effect of root resorption between T loop technique and sliding technique of orthodontic treatment in patients with Angle class I malocclusion.

Objective To study the efficacy of laparscopic operation in the treatment of repeated ectopic pregnancy. Methods 42 patients with repeated ectopic pregnancy were treated by salpingotomy, salpingectomy and adhesiotomy. Results All cases were managed under laparoscopy successfully, and no complication occurred. 28 cases were followed up for ( 6～50) months after operation, and postoperative pregnancy rate was 25%(7/28). Conclusions Laparoscopic operation can be the first choice of treatment of repeated ectopic pregnancy with minimal invasion and quicker recovery.

Objective To develop a more effective method to treat proximal tubal obstruction. Methods In a total of 89 cases, there were 113 oviduct lesions diagnosed by hysterosalpingogram (HSG) and then by laparoscopy as proximal tubal obstructions. Intubations and recanalizations were performed by means of laparoscopy combined with hysteroscopy. Results Out of the 113 oviduct lesions in 89 cases, 73 (64.6%) were recanalized. In follow-up of 20 days～58 months, there were 20 cases of successful pregnancies and labours, 2 inevitable abortions and 1 ectopic pregnancy, with the rate of pregnancy 25.8% (23 of 89). Conclusions It is an effective approach to treat proximal tubal obstruction by using laparoscopy combined with hysteroscopy. It can also be used to identify the true proximal tubal obstruction from the false one.

Objective To study the efficacy of laparoscopic operations in endometriosis associated with infertility. Methods Video laparoscopic operations of ovariocystectomy, adhesiotomy, electrocoagulation, salpingoplasty and hydrotubotion were completed in 378 cases of endometriosis associated with infertility. Results A total of 198 cases were followed up for 4～50 months after operations, with the pregnancy rate 61 1%(121/198) and remission rate 92 4%(183/198). Recurrence was found in 5 cases. Conclusions Laparoscopic operations, characterized by minimal invasion, rapid postoperative recovery and better clinical effect, can be used in the treatment of endometriosis associated with infertility.

0.05) between the control group and the conventional group.Incidences of hand-foot syndrome, nausea, vomiting, stomatitis and diarrhea were significantly lower in the control group in comparison to the conventional group(P

Objective:To establish a GC fingerprint analysis method for identification of volatile oil in ultramicro-powder of Houttuynia cordata from different habitats, then to control the quality sensitively.Methods: GC was used to analyze the volatile constituents of ultramicro-powder of Houttuynia cordata from 12 different habitats;SPDTM-1CapillaryColumn(30m?0.32mm?0.25?m),temperature programming and FID detector were applied.Results: The mutual mode of GC fingerprints was set up and the similar degrees to the volatile oil from of different habitats were compared.Conclusion:The GC fingerprints of volatile oil in ultramicro-powder can be used to identify the Houttuynia cordata from different habitats and evaluate its quality.

Implant-associated infection is a serious problem in the clinical application of biomaterials.which greatly restricts the generalizatjon of cardiovascular biomaterials,while bacterial adhesion is the initial cause for implant-associated infections of cardiovascular biomaterials.Therefore.the prevention of bacteriaI adhesion to the biomaterials plays a crucial role in the cure of biomaterial center infection.It has reported that human plasma protein influences the bacterial adhesion to biomateriais.Some plasma proteins inhibit bacterial adhesion.whereas some promote jt.Study on the correlation between plasma protein and hacterial adhesion to the biomaterials is of great importance in the prevention and cure of biomaterials center infection.

Objective To investigate the scientific and objective quality management methods of ophthalmic nursing to improve the quality of ophthalmic clinical nursing. Methods According to the implemention details of review standards of tertiary special eye hospital (2011) and the management specification of clinical nursing of Guangdong province, combining with the characteristics of ophthalmic nursing to formulate the 21 indicators. The indicators had been applied in 12 wards to evaluate the nursing quality since 2013 each quarter. Using the Plato analysis method to analyze the data dynamically since 2013, then controlling and improving the nursing quality in view of the analysis result. The clinical nursing quality in the first half of 2013 was compared with the second half of 2013. Results The ophthalmic nursing indicators of 12 wards in the second half of 2013 were higher than the first half of 2013. Significant statistical difference was found in the implementation rate of periocular clean, cut fingernails preoperative, infusion system, identification, send medicine to the mouth, patients at high risk of falling drop of bed evaluation, wrist band awareness, patients′ satisfaction between two groups (χ2=4.115-12.308, P < 0.05 or 0.01). Conclusions Establishing and implementing the nursing quality evaluation indicators system of ophthalmology can evaluate the clinical nursing quality objectively and promote the continuous improvement of clinical nursing quality.

Objective To study the CT findings of dermoid cyst of the orbit.Methods Four cases of dermoid cyst of the orbit proved by operation and pathology were presented. There were three cases of male, one case of female, age 6～21 years. Transverse CT scans(3 mm slice) and coronal CT scans(5 mm slice) were obtained, in which enhancement study was done in two cases.Results Among four cases, lesion was located in the right on three cases, in the left on one case. All lesions were located outside the muscle of upper-lateral guarter. One lesion was showed a multi-lobular shape, with widening of the frontozygomatic fissure and protruding to outside of the orbit. Three lesions were found anoval shape, in which one lesion was showed a bony sclerosis and thickening, another two cases were showed no bony change. On all cases, the edge of the lesions were demonstrated clearly, in which three cases were low-density(-140～-80 HU) similar to fat density, and one case with heterogeneous density. The lesion was showed more clearly on enhancement study on two cases.Conclusion CT findings of dermoid cyst of the orbit is characteristic and the diagnosis can be made before operation.

ObjectiveTo study the modes of case finding and diagnosis for inpatients of active pulmonary tuberculosis with primary treatment.MethodsData of 1000 inpatients with active pulmonary tuberculosis input into a computer were analyzed retrospectively.including clinical symptoms,signs and relevant laboratory examinations.to evaluate their diagnostic value.ResultsAmong 1000 active tuberculosis case8 hospitalized with symptoms and signs,95.9 percent suffered by cough,77.7 percent by expectoration and 50.8 percent (n=508) by fever,and 51.5 percent (n=777) with strong positive purified protein defivative (PPD) skin test,61.5 percent with positive serum anti-tuberculosis antibody,48.8 percent with positive acid-fast staining on sputum smear and 57.9 percent with positive sputum bacteriologle culture.And,49.4 percent of the patients were diagnosed by laboratory positive sputum,and 50.6 percent of those with negative sputum were diagnosed by comprehensively clinical considerations,ineluding 51.6 percent positive PPD skin teat, or positive serum anti-tubereulosis antibody,but 48.4 percent of them were all negative in varied laboratory examinations.ConclusionsHospital visit due to symptom is the main method for tuberculosis finding in our country.All those with Cough for two or more weeks should be screened by routine examinations for excluding tuberculosis.Case finding rate Was low by sputum examinations.so comprehensive diagnosis is still important for those tuberculosis patients with negative sputum.