The first part is the introduction of this study, mainly including statementofproblem, literature review, research content and methods.
第一部分是本研究的绪论,主要包括问题的提出、文献综述、研究内容与方法。
2
Objective: Statementofproblem. Porcelain_fused_to_metal (PFM) has been used as prostheses supported by implants. The validity of this technique is in debate.
前言: 目的:讨论烤瓷熔附冠桥作种植义齿的上部修复体的技术特点,说明在临床应用的有效性。
3
Each pattern description includes a context, problemstatement, description of the consequences of the problem, solution, and solution rationale.