Conclusions: Combined design of stud type attachments and extracoronal attachments had practically value in clinical appliance.
结论：球帽型附着体与冠外附着体的联合设计形式具有临床实用价值。
Conclusions: Combined design of stud type attachments and extracoronal attachments had practically value in clinical appliance.
结论：球帽型附着体与冠外附着体的联合设计形式具有临床实用价值。
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