[Clinical evaluation of casting metal full crown made by Bonn method to restore abutment of removable partial denture].
OBJECTIVE
To evaluate the effect of casting metal full crown made by Bonn method to restore abutment of removable partial denture.


METHODS
The first step was to restore the anatomical shape of 48 abutment residual crowns, then casting metal full crown was made by Bonn method. After the abutment was restored, removable dentures were mounted, and regular clinical examination was performed to evaluate the short-term result.


RESULTS
After three to six months, 48 residual teeth were restored successfully by Bonn method, the results were satisfactory, one was found to have gingivitis.


CONCLUSIONS
When RPD-based dental crown is used to repair abutment defects, Bonn method is simple and effective.
Xu
Mei-lian
ML
Department of Stomatology, Liaocheng People,s Hospital. Liaocheng 252000, Shandong Province, China.
Ma
Hong-xue
HX
D003442:Crowns; D000044:Dental Abutments; D003832:Denture, Partial, Removable; D006801:Humans; D008670:Metals
D008670:Metals