跳至主要内容
临床试验/NCT06067945
NCT06067945招募中不适用

Comparison of Marginal Fit and Internal Adaptation in All-Metal Crowns: an in Vitro Experimental Trial

Altamash Institute of Dental Medicine1 个研究点 分布在 1 个国家目标入组 28 人开始时间: 2025年2月24日最近更新:
适应症

试验速览

阶段
不适用
状态
招募中
入组人数
28
试验地点
1
主要终点
marginal fit

研究概览

简要总结

The goal of this in vitro study is to compare the marginal fit and internal adaptation of all-metal crowns in polished crown preparations and non-polished crown preparations The main question it aims to answer is: are the non polished tooth preparations comparable to polished preparations? We will compare polish and non polish groups and see their effects on marginal fit and internal adaptation of all metal crown

研究设计

研究类型
Observational
观察模型
Other
时间视角
Prospective

入排标准

性别
All
接受健康志愿者

入选标准

  • Phantom teeth
  • Maxillary molars
  • Metal crowns with conventional lost-wax technique for crown fabrication

排除标准

  • Over prepared or underprepared crowns
  • Defective metal crowns
  • Ruptured silicone films upon removal
  • Defective die stone casts

结局指标

主要结局

marginal fit

时间窗: six months

The margins of fixed restorations refers to the junction between the prepared tooth structure and the crown restoration

次要结局

  • Internal fit(six months)

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Tooba Shabbir

Post Graduate Trainee

Altamash Institute of Dental Medicine

研究点 (1)

Loading locations...

相似试验