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After the one-time expansion of the root of ultrasonic root canal treatment of acute periapical: (with the control group)

Dental examination sheets or the beginning of the measured hole expansion 1O root length, apical end inserted if the group of patients after a slight feeling to be out] mm ~ 2mm, to avoid dental cavities super sharp competition. Temporary sealant filling, gently transfer, according to x-ray observation of complex root canal two weeks reviewing the situation without permanent filling abnormalities were just 2. In addition to the control group did not expand the use of ultrasonic root, the rest were with the traditional method. 3. If two groups of patients subperiosteal abscess or abscess were under dry film, after the root canal to be cut in the row. Part of the plasma vortex periapical exudate and edema more persons, Genk agent can be added to enhance the anti-inflammatory effects of furosemide orange should be Che force and improve immunity. After two days of antibiotics and 93 were anti-anaerobic bacteria to eliminate seep spirit. Periodontal attack dish! I first deal with ultrasonic scaling surface granulation periodontal pockets, and then wash the results of iodine oxide observed clinical cure: root canal two weeks after referral, the permanent filling and permanent in January after filling the wide review, observed indications: ① no conscious pain, percussion pain-free teeth, apical no tenderness. ② reduced mobility of the original base is not loose or there is no fistula ④ @ masticatory function recovered. Four sets an initial grid for clinical cure, compared to a non-clinical units were cured cells (Table 4). Table 4, two groups of patients initially cured temporary library situation (tooth back) Dan Class of clinical to early clinical cure rate of more long-term treatment Taiwan dollars Governance Convergence Watch: October 18, after the seizure patients followed up to 50 teeth present cases. Experimental group of 33 dental patients in the control group of 17 dental patients. Although patients can exercise more than 50 teeth chewing function, but the x-ray dental film review, 5 patients in control group 0.5 ~ 0.8mm in diameter can still see the shadow of the apical bone trabeculae are not clear, because to collect follow-up number of cases was not able to make further comparison. Discussion 1. In order to save as much as possible the value of retaining the teeth, and to patients in a shorter recovery time, we are actively and carefully carried out at a time of acute periapical root canal filling. After the pull cord root of ultrasonic transit expansion to mention just a small distance from top to bottom plug,[link widoczny dla zalogowanych], there is no spin car drug action, not to the periapical edema group increased pressure under the basic facilities in painless surgery, the patient is easy to accept. Preliminary results of this study shows that ultrasonic root canal filling after the clinical cure rate than a traditional approach to expand the root, but the traditional way an expansion of the root filling effects are more obvious acute l SUI periapical root canal filling stage can not be said to be contraindicated, the paper reports the efficacy and Sothaeet closer. 2. Acute periapical stage, the number of root canal bacteria and virulence is at its peak,[link widoczny dla zalogowanych], this case law called for the adoption by a careful mechanical and chemical means to prepare the root canal,[link widoczny dla zalogowanych], while the ultrasound through the hole in the root and the camp acoustic streaming effect and the role of certain mechanical cutting, removal of the root canal bacteria and ring dead material, remove the contamination layer, to achieve better debridement. Plus 2.4 times the oxygen iodine solution of sodium hypochlorite solution or washing the root canal, apical secretion repeated aspiration to achieve the purpose of internal drainage. Agent itself can last for root canal sterilization, which mixed with appropriate amount of metronidazole in anaerobic synergistic kill residual,[link widoczny dla zalogowanych], or with the amount of corticosteroids, anti-inflammatory effects and improve the activation of periapical tissue defense function, so that acute inflammation of periapical tissues to rapid remission, lesions can be gradually restored. Abscess periapical cut row to establish external drainage. More to ensure the success of root canal treatment. This fall the group stages of a total of 16 patients completed the one-off abscess root canal, of which only 3 cases of clinically healed, and most of the effect is good, so acute periapical abscess stage a one-time root canal is still worth continue to explore the issue. 3. This causes sub-compromise, 47 cases because of statistics of light cured composite resin restorations induced apical periodontitis, according to analysis of preoperative photographs, the majority did not see the images of radiopacity base materials, dental fillings drilled no bottom when Materials Division, the wood light-curing resin filling, the bottom must be emphasized that a good job, emphasizing the vital teeth can not be etched dentin to minimize the chemical stimulation of dentin protection of the pulp 4. Clinically healed of cases, by review of x-ray observation, there are different levels of charge less. Can be seen in the experimental group 3 ~ 4rhm the charge less, which may be extended root of ultrasonic K-file under the needle is not nearly tip, resulting in the formation of the steps of mechanical cutting, so that part of the apical root pulp necrosis substances can not be removed , leading to failure. In some cases in the control group there charge less prevalent in the maxillary posterior teeth buccal side of the smaller and curved root canal. To overcome the above situation can be improved to facilitate the needle cavity, root canal length tester application assistance, and strive to achieve the physiological root canal apical foramen, the effect will be more ideal. 5. 35 down the traditional approach for acute periapical, single root canal can also achieve better efficacy,[link widoczny dla zalogowanych], which means we can seriously meticulous operation, in the absence of the conditions of ultrasonic transit time, can also carry out root canal surgery. Save more Bingya. (19g2 Received in August)
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