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Updated: Jul 6, 2025
An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
Published on: February 10, 2014
Removal of broken abutment screws using ultrasonic tip - a heat development in-vitro study
Vasilios Alevizakos1, Anna-Lena Bergmann2, Constantin von See2
1Research Center for Digital Technologies in Dentistry and CAD/CAM, Danube Private University, Steiner Landstraße 124, Krems, an der Donau, 3500, Austria. vasileios.alevizakos@googlemail.com.
Background:
Dental implants can cause complications, including the loosening of the abutment screw or fracture. However, there is no standardized technique for removing broken abutment screws. This necessitates further research.
Objective:
This study aimed to measure heat generation during screw removal to better understand its implications for dental implant procedures.
Material And Methods:
The experimental setup involved using synthetic bone blocks and titanium implants. An ultrasonically operated instrument tip was utilized for screw removal. Infrared thermometry was employed for accurate temperature measurement, considering factors such as emissivity and distance. Statistical analysis using linear regression and ANOVA was conducted.
Results:
The findings revealed an initial rapid temperature increase during the removal process, followed by a gradual decrease. The regression model demonstrated a strong correlation between time and temperature, indicating the heat generation pattern.
Conclusion:
Heat generation during screw removal poses risks such as tissue damage and integration issues. Clinicians should minimize heat risks through an intermittent approach. The lack of a standardized technique requires further research and caution. Understanding the generated heat optimizes implant procedures.
