Full-mouth implant restoration has become an important method for restoring missing teeth.Over the past few years,there has been a rapid advancement in the field of computer-aided implantology,marked by significant innovations in digital implant planning and guided surgery.These improvements provide a more precise,simple,minimally invasive,and fast approach to the treatment of edentulous jaw,realizing the concept of"starting with the goal in mind,restoration-oriented".This article aims to summarize the appli-cation of implant guides in full-mouth implant surgery and restoration,and to discuss their advantages and disadvantages.

Full-mouth implant restoration has become an important method for restoring missing teeth.Over the past few years,there has been a rapid advancement in the field of computer-aided implantology,marked by significant innovations in digital implant planning and guided surgery.These improvements provide a more precise,simple,minimally invasive,and fast approach to the treatment of edentulous jaw,realizing the concept of"starting with the goal in mind,restoration-oriented".This article aims to summarize the appli-cation of implant guides in full-mouth implant surgery and restoration,and to discuss their advantages and disadvantages.

The National Disease Control and Prevention Bureau and the National Health Commission jointly issued an announcement on Notice on Carrying out Pilot Work of Occupational Health Classification Supervision and Law Enforcement, which presented a method of comprehensive risk assessment method of occupational disease hazards of employers. This method embraces relevant factors at full scale and is simple in operation, but its applicability and accuracy of assessment results need further practical study. Based on the steps of occupational health risk assessment and proven occupational health risk assessment methods available at home and abroad, this paper proposed improvements and discussed the comprehensive risk assessment method of occupational disease hazards of employers, so as to provide a technical basis to implement the occupational disease hazard classification management of employers for relevant government supervision departments.