Methods These cantilever bridges are 3?unit,two abutments and single cantilever pontic,and used for restoring the lost rear teeth,review for 20 cantilever bridges after having been used 2 years.是什么意思_Methods These cantilever bridges are 3?unit,two abutments and single cantilever pontic,and used for restoring the lost rear teeth,review for 20 cantilever bridges after having been used 2 years.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句