在遭受创伤性闭塞和脱口症的牙中,脉-牙复合物的组织学变化
Marina Fuzette Amaral1, Cláudio Aparecido Casatti2, Afsar Raza Naqvi3
1Department of Diagnosis and Surgery, São Paulo State University (UNESP), School of Dentistry, Araçatuba, São Paulo, Brazil.
The Saudi dental journal
|February 29, 2024
概括
创伤性闭塞与牙脱相结合,显著阻碍了脉的愈合和再生. 这种情况会增加炎症和化,损害牙的自然防御机制.
科学领域:
- 牙周内科医院 牙周内科医院 牙周内科医院
- 牙科创伤学 牙科创伤学
- 纸生物学 纸生物学
背景情况:
- 牙脱可能会导致牙-真菌复合体的严重损伤.
- 创伤性闭塞,牙在咬牙时不能正确排列的情况,可以加剧牙损伤.
研究的目的:
- 为了研究创伤性闭塞和牙脱口症对牙肉质复合体的综合影响.
- 在这些条件下评估牙的组织学变化和愈合反应.
主要方法:
- 维斯特大鼠被分为三组:天真,潜流 (S) 和潜流与创伤性阻塞 (STO).
- 在手术后7天和21天进行了组织学分析.
- 量化分析使用了单向ANOVA,Tukey,Chi-square和Bonferroni的后期测试.
主要成果:
- 在S和STO两组中,在第7天出现了血管面积增加,无形的基本物质和反应性牙形成.
- 这些变化在21日大致正常化,除了反应性牙.
- 与STO组相比,STO组在21日显著增加了肉质化,有核的管道和炎症透,以及与天真和S组相比,减少了核配置和口腔细胞层.
结论:
- 创伤性闭塞显著损害了脉的防御反应和潜后的再生能力.
- 炎症透和肉质化的增加,再加上核细胞数量的减少,标志着创伤性闭塞和脱结合的有害影响.
更多相关视频
07:07Development of a Direct Pulp-capping Model for the Evaluation of Pulpal Wound Healing and Reparative Dentin Formation in Mice
Published on: January 12, 2017
11.3K
07:09In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint
Published on: March 7, 2014
13.4K
相关概念视频
01:21Tooth Anatomy
468
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
468
01:15Teeth
413
The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
413