Sauveur G, Roth F, Sobel M, Boucher Y
UFR d'Odontologie, Université Paris 7, France.
Int Endod J. 1997 Mar;30(2):145-9. doi: 10.1046/j.1365-2591.1997.00063.x.
The complex anatomy of invaginated teeth make their root canal treatment difficult. Moreover, this treatment may compromise the future of the tooth if it is destined to support a post-retained coronal restoration. This case reports the successful surgical root canal treatment of an invaginated tooth using a retrograde filling with gutta-percha. After surgical exposure of the root-end and cleaning of the root canal, the gutta-percha was compacted in the root canal which had been coated previously with a zinc oxide-eugenol cement. The gutta-percha was then cold-burnished. Periapical radiographic examination after 1, 2, 3, 6 and 12 months showed periapical healing with osseous formation. This procedure, resulting in minimal loss of hard tissues, permitted subsequent restoration of the tooth.
内陷牙复杂的解剖结构使其根管治疗困难。此外，如果该牙注定要支持桩核冠修复，这种治疗可能会影响该牙的预后。本病例报告了一例成功的内陷牙外科根管治疗，采用牙胶尖逆行充填。在根尖手术暴露和根管清理后，将牙胶尖充填于预先用氧化锌丁香油粘固剂涂层的根管内。然后对牙胶尖进行冷加压处理。术后1、2、3、6和12个月的根尖X线片显示根尖周愈合并有骨质形成。该操作导致的硬组织损失最小，为后续的牙齿修复创造了条件。
