Cemental tear is a rare and indetectable condition unless obvious clinical signs present with the involvement of surrounding periodontal and periapical tissues. Due to its clinical manifestations similar to common dental issues, such as vertical root fracture, primary endodontic diseases, and periodontal diseases, as well as the low awareness of cemental tear for clinicians, misdiagnosis often occurs. The critical principle for cemental tear treatment is to remove torn fragments, and overlooking fragments leads to futile therapy, which could deteriorate the conditions of the affected teeth. Therefore, accurate diagnosis and subsequent appropriate interventions are vital for managing cemental tear. Novel diagnostic tools, including cone-beam computed tomography (CBCT), microscopes, and enamel matrix derivatives, have improved early detection and management, enhancing tooth retention. The implementation of standardized diagnostic criteria and treatment protocols, combined with improved clinical awareness among dental professionals, serves to mitigate risks of diagnostic errors and suboptimal therapeutic interventions. This expert consensus reviewed the epidemiology, pathogenesis, potential predisposing factors, clinical manifestations, diagnosis, differential diagnosis, treatment, and prognosis of cemental tear, aiming to provide a clinical guideline and facilitate clinicians to have a better understanding of cemental tear.
Humans ; Dental Cementum/injuries* ; Consensus ; Diagnosis, Differential ; Cone-Beam Computed Tomography ; Tooth Fractures/therapy*

Objective To analyze and summarize the clinical manifestations,diagnosis and treatment of testicular epidermoid cyst pa-tients.Methods Combined with literature,the clinical data of 7 patients with testicular epidermoid cyst in our hospital from July 2005 to Au-gust 2015 were analyzed.Results Histological examination showed testicular epidermoid cyst,postoperative recovery was good,no recurrence during 12 to 36 months’follow-up.Conclusion The testicular epidermoid cyst is rare in clinic,the clinical manifestations is similar to tes-ticular cancer,so it is often misdiagnosed as testicular cancer,which should be diagnosed by pathology,treated by testis preserved testicular tumor resection,and the prognosis is good.

Objective To compare the safety and clinical effect of laparoscopic partial nephrectomy ( LPN) on small renal cell carcino-ma. Methods The records of 65 patients who underwent partial nephrectomy in our hospital from March 2008 to March 2013 were retrospec-tively analyzed. 35 patients were given open partial nephrectomy and the other 30 patients were given LPN. Compared the operative time,blood loss,warm ischemia time,length of stay,positive marginrate,and occurance rate of complications between the two groups. Results There was no statistical difference in the mean size of tumor in the two groups. Compared to the OPN group,there was less blood loss,operative time, hospital stays and warm ischemia time in the LPN group. There was neither positive surgical margin nor renal function damage in the two groups. And during the follow-up period ranged from 6 to 18 months,there was no local recurrence. Conclusion Laparoscopic partial ne-phrectomy has a shorter operation time,less blood loss,shorter length of hospital stay compared with open partial nephrectomy,and it wouldn 't extend the time of warm ischemia,while the clinical effect of the two methods are similar.

Objective To analyze and summarize the clinical manifestations,diagnosis and treatment of patients with primary limitations bladder amyloidosis. Methods Combined with literature,the clinical data of l patient of primary localized amyloidosis of urinary bladder in our hospital was analyzed. Results Histological examination revealed urinary bladder amyloidosis,the patient recovered well,no recurrence occurred during 18 months' follow-up. Conclusion The primary localized amyloidosis of urinary bladder is rare,which occurs mainly in middle-aged men. The main clinical symptoms are painless and hematuria,which is similar to bladder cancer and often misdiagnosed as blad-der cance. So the final diagnosis should be based on pathology. The main treatment is surgery. There are recurrent and malignant potential,the patients need a long-term follow-up after operation.