中国组织工程研究 ›› 2020, Vol. 24 ›› Issue (26): 4112-4117.doi: 10.3969/j.issn.2095-4344.2760

• 口腔组织构建 oral tissue construction • 上一篇    下一篇

预成型钛网联合生物膜在美学区引导骨组织的再生

 1,李云朋2,张雪健3,尹传蓉3,邓  13   

  1. 1潍坊医学院口腔医学院,山东省潍坊市  2610002济南市中心医院口腔科,山东省济南市  2500133青岛市口腔医院种植科,山东省青岛市  266000

  • 收稿日期:2019-09-27 修回日期:2019-09-30 接受日期:2019-11-25 出版日期:2020-09-18 发布日期:2020-08-29
  • 通讯作者: 邓悦,博士,主任医师,副教授,潍坊医学院口腔医学院,山东省潍坊市 261000;青岛市口腔医院种植科,山东省青岛市 266000
  • 作者简介:张璇,女,1992年生,山东省寿光市人,汉族,2020年潍坊医学院毕业,硕士,主要从事口腔种植学研究。
  • 基金资助:

    青岛市口腔医院卫生局指导项目

Guided bone regeneration using preformed titanium mesh combined with bioabsorbable membranes in aesthetic area

Zhang Xuan1, Li Yunpeng2, Zhang Xuejian3, Yin Chuanrong3, Deng Yue1, 3   

  1. 1School of Stomatology, Weifang Medical University, Weifang 261000, Shandong Province, China; 2Department of Stomatology, Jinan Central Hospital, Jinan 250013, Shandong Province, China; 3Department of Implantology, Qingdao Stomatological Hospital, Qingdao 266000, Shandong Province, China

  • Received:2019-09-27 Revised:2019-09-30 Accepted:2019-11-25 Online:2020-09-18 Published:2020-08-29
  • Contact: Deng Yue, MD, Chief physician, Associate professor, School of Stomatology, Weifang Medical University, Weifang 261000, Shandong Province, China; Department of Implantology, Qingdao Stomatological Hospital, Qingdao 266000, Shandong Province, China
  • About author:Zhang Xuan, Master, School of Stomatology, Weifang Medical University, Weifang 261000, Shandong Province, China
  • Supported by:

    the Guidance Project of Qingdao Stomatological Hospital

摘要:

文题释义:

引导骨组织再生(guide bone regenerationGBR):将屏障膜置于软组织与骨缺损之间建立生物屏障、创造一个隔离空间,防止软组织中的成纤维细胞及上皮细胞长入骨缺损区,确保成骨过程无成纤维细胞的干扰,最后实现缺损区完全的骨修复。

浓缩生长因子(concentrated growth factors,CGF):是第3代血小板浓缩制品,因其中含有高浓度的各类生长因子及纤维蛋白,对软硬组织的愈合具有促进作用。


背景:可吸收屏障膜与不可吸收屏障膜在引导骨组织再生术中均有广泛应用,但各有优缺点。

目的:探讨新型预成型钛网与不同骨增量材料的联合应用修复前牙骨量不足的临床效果。

方法31例上颌前牙单颗缺失的患者按照不同治疗方法分为3组:TCC (n=9)植入种植体后放置基柱,将自体骨屑、Bio-oss 骨粉、浓缩生长因子相混合后植于骨缺损区,放置预成型钛网并固定,覆盖Bio-Gide 生物膜;TC (n=10)植骨方法同上,种植体周骨缺损仅做自体骨屑和Bio-oss骨粉移植;C (n=12)将自体骨屑与Bio-oss 骨粉混匀置于骨缺损区,覆盖Bio-Gide 胶原膜,不放置预成型钛网及浓缩生长因子。种植手术后当天、术后6个月拍摄锥形束CT测量3组骨高度及骨宽度,组织学观察新生骨生成情况。研究方案的实施符合青岛市口腔医院的相关伦理要求,患者对试验过程完全知情同意。

结果与结论①术后复查仅TC组出现2例创口裂开,术后3周左右创口愈合;②术后6个月锥形束CT骨量分析,TCC组、TC组骨高度均显著大于C(P < 0.05);在标志点246 mm TCC 组、TC 组骨宽度均显著大于C (P < 0.05);标志点8 mm处,3组之间的骨宽度变化差异无显著性意义(P > 0.05);③苏木精-伊红染色显示:3组均可见骨小梁结构,但TCC 组骨小梁更为成熟、致密,C 组骨小梁较为稀疏,TC 组介于两者之间;④结果说明,钛网具有良好的空间维持作用,能更好地维持植骨材料的稳定性,在一定程度上可增强成骨效果;浓缩生长因子具有促进软组织愈合的作用。

ORCID: 0000-0002-7220-7057(张璇)


中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松;组织工程


关键词: 引导骨组织再生, 骨增量, 钛网, 浓缩生长因子, 生物膜, 种植牙

Abstract:

BACKGROUND: Absorbable and non-absorbable barrier membranes have their own merits and demerits in the guided bone regeneration.

OBJECTIVE: To investigate the clinical effect of new preformed titanium mesh combined with different bone augmentation materials in anterior teeth with inadequate bone volume for dental implants.



METHODS: Thirty-one patients with single maxillary anterior tooth loss were divided into three groups: Bio-Gide collagen membrane + Bio-oss bone group (C; n=12), titanium mesh + Bio-Gide collagen membrane + Bio-Oss bone group (TC; n=10), titanium mesh + concentrated growth factor + Bio-Gide collagen membrane + Bio-Oss bonegroup (TCC; n=9). Through clinical review, cone-beam CT and histological examination, osteogenic effects of the three treatment methods were compared and statistically analyzed at 0 day and 6 months after operation. The implementation of the study protocol complied with the relevant ethical requirements of Qingdao Stomatological Hospital, and each patient was fully informed of the trial process.

RESULTS AND CONCLUSION: In the postoperative review, only two patients in the TC group had wound deformations, and the wound healed about 3 weeks postoperation. Six months after the operation, cone-beam CT results revealed significant differences in bone height between the TCC and TC groups and the C group (P < 0.05), as well as in bone width at the mark points of 2, 4 and 6 mm (P < 0.05). There was no significant difference in bone width between three groups at the mark point of 8 mm (P > 0.05). Hematoxylin-eosin staining of bone tissue around the implant showed that trabecular structure was visible in all three groups, but the structures was more mature and denser in the TCC group and sparser in the C group. These findings indicate that titanium mesh has good space maintenance function, better maintains the stability of bone graft material, and enhances the osteogenesis effect to a certain extent. Concentrated growth factors may promote soft tissue healing.

Key words: guided bone regeneration, alveolar bone augmentation, titanium mesh, concentrated growth factor, bioabsorbable membrane, dental implants

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