BACKGROUND Radicular cysts are one of the most common odontogenic cystic lesions found in the jaw.Nonsurgical treatment of large radicular cysts is a topic of ongoing debate,and there is still no clear consensus on th...BACKGROUND Radicular cysts are one of the most common odontogenic cystic lesions found in the jaw.Nonsurgical treatment of large radicular cysts is a topic of ongoing debate,and there is still no clear consensus on the most effective therapies.The apical negative pressure irrigation system aspirates the cystic fluid and releases the static pressure in the radicular cyst,representing a minimally invasive approach for decompression.In this case,the radicular cyst was in close proximity to the mandibular nerve canal.We used nonsurgical endodontic treatment with a homemade apical negative pressure irrigation system and the prognosis was good.CASE SUMMARY A 27-year-old male presented to our Department of General Dentistry with complaints of pain in the mandibular right molar when chewing.The patient had no history of drug allergies or systemic disease.A multidisciplinary management approach was designed and included root canal retreatment with a homemade apical negative pressure irrigation system,deep margin elevation and prosthodontic treatment.According to a 1-year follow-up period,the patient showed a favorable outcome.CONCLUSION This report reveals that nonsurgical treatment with an apical negative pressure irrigation system may provide new insights into the treatment of radicular cysts.展开更多
目的:通过体外研究分析iRoot BP Plus不同充填方式对根尖手术中根管封闭性能的影响。方法:将符合入选标准的60颗新鲜拔除的下颌第一前磨牙,随机分为A、B、C 3组,各20颗。A组iRoot BP Plus正充填后行根尖切除术,B组常规根管治疗(AH Plus...目的:通过体外研究分析iRoot BP Plus不同充填方式对根尖手术中根管封闭性能的影响。方法:将符合入选标准的60颗新鲜拔除的下颌第一前磨牙,随机分为A、B、C 3组,各20颗。A组iRoot BP Plus正充填后行根尖切除术,B组常规根管治疗(AH Plus糊剂及热牙胶充填)后行根尖切除术,根尖倒预备与iRoot BP Plus倒充填,C组常规根管治疗后行根尖切除;A、C组不进行根管倒充填。采用染料渗漏法分析3组根管封闭性,扫描电镜观察材料与根管间界面的密合性及结构特点。结果:3组样本均有不同程度的染料渗透,且渗透平均长度存在差异(P<0.05),A、B组染料渗透平均长度均短于C组(P<0.05),但A、B组平均长度无明显差异(P>0.05)。扫描电镜发现A、B组iRoot BP Plus与牙本质间结合紧密,C组牙胶与牙本质间存在明显裂隙。结论:iRoot BP Plus正充填后根尖切除和常规根管治疗后iRoot BP Plus倒充填的iRoot BP Plus材料都可与牙本质紧密结合,两者根尖封闭效果相似。展开更多
基金Supported by the Medical Health Science and Technology Project of Zhejiang Provincial Health Commission,No.2022RC158.
文摘BACKGROUND Radicular cysts are one of the most common odontogenic cystic lesions found in the jaw.Nonsurgical treatment of large radicular cysts is a topic of ongoing debate,and there is still no clear consensus on the most effective therapies.The apical negative pressure irrigation system aspirates the cystic fluid and releases the static pressure in the radicular cyst,representing a minimally invasive approach for decompression.In this case,the radicular cyst was in close proximity to the mandibular nerve canal.We used nonsurgical endodontic treatment with a homemade apical negative pressure irrigation system and the prognosis was good.CASE SUMMARY A 27-year-old male presented to our Department of General Dentistry with complaints of pain in the mandibular right molar when chewing.The patient had no history of drug allergies or systemic disease.A multidisciplinary management approach was designed and included root canal retreatment with a homemade apical negative pressure irrigation system,deep margin elevation and prosthodontic treatment.According to a 1-year follow-up period,the patient showed a favorable outcome.CONCLUSION This report reveals that nonsurgical treatment with an apical negative pressure irrigation system may provide new insights into the treatment of radicular cysts.
文摘目的:通过体外研究分析iRoot BP Plus不同充填方式对根尖手术中根管封闭性能的影响。方法:将符合入选标准的60颗新鲜拔除的下颌第一前磨牙,随机分为A、B、C 3组,各20颗。A组iRoot BP Plus正充填后行根尖切除术,B组常规根管治疗(AH Plus糊剂及热牙胶充填)后行根尖切除术,根尖倒预备与iRoot BP Plus倒充填,C组常规根管治疗后行根尖切除;A、C组不进行根管倒充填。采用染料渗漏法分析3组根管封闭性,扫描电镜观察材料与根管间界面的密合性及结构特点。结果:3组样本均有不同程度的染料渗透,且渗透平均长度存在差异(P<0.05),A、B组染料渗透平均长度均短于C组(P<0.05),但A、B组平均长度无明显差异(P>0.05)。扫描电镜发现A、B组iRoot BP Plus与牙本质间结合紧密,C组牙胶与牙本质间存在明显裂隙。结论:iRoot BP Plus正充填后根尖切除和常规根管治疗后iRoot BP Plus倒充填的iRoot BP Plus材料都可与牙本质紧密结合,两者根尖封闭效果相似。
