Division of Dentistry, Department of Pediatric Surgery, Montreal Children's Hospital, McGill University Health Centre, Montreal, Quebec, Canada; Division of Dentistry, Department of Pediatric Surgery, Sainte-Justine University Health Center Hospital, Montreal, Quebec, Canada.
Division of Dentistry, Department of Pediatric Surgery, Montreal Children's Hospital, McGill University Health Centre, Montreal, Quebec, Canada; Faculty of Dentistry, McGill University, Montreal, Quebec, Canada.
J Endod. 2020 Sep;46(9):1204-1209. doi: 10.1016/j.joen.2020.06.003. Epub 2020 Jun 15.
The aim of this multicentric prospective study was to evaluate the clinical and radiographic outcomes of Biodentine (BD) pulpotomies on permanent teeth with complicated crown fractures.
This study was carried out in 2 hospital-based dental departments in Quebec, Canada. Children seeking emergency care after trauma to anterior permanent teeth were invited to participate in this study. The treatment outcome was assessed clinically and radiographically at 1 week and 1, 3, 6, 12, 18, and 24 months after treatment.
Forty-five patients between the ages of 8 and 16 years (mean, 10.8 ± 2.4) were included in this study. Fifty-one teeth were treated with a BD pulpotomy. The study showed a survival rate of 100% and a success rate of 91%. Four failures were noted at 1-, 6-, and 15-month follow-up, and the teeth were subsequently treated with either conventional root canal therapy or regenerative endodontic procedure. Dental sensitivity to cold reported by patients reduced over time, and more teeth responded normally to pulp vitality tests during the course of this study. Slight discoloration was noted on 8 teeth (17%). Radiographic outcomes showed dentinal bridge formation in 91% of cases, and all immature teeth showed continued root formation.
BD is a suitable material for pulpotomies on anterior permanent teeth with complicated crown fractures. It may be a good alternative to mineral trioxide aggregate pulpotomies because it does not cause significant discoloration, and it allows root maturation.
本多中心前瞻性研究旨在评估 Biodentine（BD）在伴有复杂冠折的恒牙上进行活髓切断术的临床和影像学结果。
该研究在加拿大魁北克的 2 家医院牙科进行。邀请因外伤致前恒牙急诊就诊的儿童参与本研究。在治疗后 1 周、1、3、6、12、18 和 24 个月，对治疗结果进行临床和影像学评估。
45 名 8-16 岁（平均 10.8 ± 2.4）的患者参与了本研究。51 颗牙齿接受了 BD 活髓切断术治疗。研究显示存活率为 100%，成功率为 91%。4 颗牙齿在 1、6 和 15 个月随访时失败，随后进行了常规根管治疗或再生性牙髓治疗。患者的冷感在随访过程中逐渐减轻，对牙髓活力测试的反应更正常的牙齿也增多。8 颗牙齿（17%）出现轻微变色。影像学结果显示 91%的病例形成了牙本质桥，所有未成熟的牙齿都继续根形成。
BD 是伴有复杂冠折的恒牙活髓切断术的一种合适材料。它可能是三氧化矿物凝聚体活髓切断术的良好替代品，因为它不会引起明显的变色，且允许根成熟。
