关于abutment的百科

• abutment造句怎么写

• Conclusion:thetelescopecrownretainerhaslittleinfluencethantheprecisionattachmentretainertotheperiodontiumoftheabutment.Therelativerotationalmovementcausesatleasttwopartsoftheinjectiondevicetoabutorengage,andthisabutmentorengagementcausesthenon-visual...
• 2018-04-264908