MDS written after someone’s name is a British university higher degree in dentistry: Master of Dental Surgery. It means the person has already trained as a dentist and then done extra, higher study, often with a strong surgical side — treating teeth, gums, and the mouth by operating, not only by cleaning and filling.

MDS written after someone's name寫在某人名字後面的 MDS is是 a British university higher degree in dentistry英國大學裡牙醫學的高等學位: Master of Dental Surgery牙醫外科碩士。 It means它表示 the person has already trained as a dentist這個人已經受過牙醫訓練 and then done extra, higher study之後又做了額外的更高深研究, often with a strong surgical side通常偏重外科 — treating teeth, gums, and the mouth by operating靠開刀來治療牙齒、牙齦和口腔, not only by cleaning and filling不只是清潔和補牙而已。

You see the letters on a clinic door or a name card, the way some doctors write other titles after their names. It is formal, and it belongs to the world of qualifications.

You see the letters on a clinic door or a name card你會在診所門口或名片上看到這幾個字母, the way some doctors write other titles after their names就像有些醫生會在名字後面寫其他頭銜一樣。 It is formal這是正式用法, and it belongs to the world of qualifications屬於學位資格的世界。

In everyday talk you would still call the person a dentist, not “an MDS”.

In everyday talk平常說話 you would still call the person a dentist你還是會叫這個人「牙醫」, not “an MDS”不會叫他「an MDS」。

Though actually, different countries use different letters for similar training, so MDS is a British-style label, not a worldwide one. It is also not the same as MD, which is a medical doctor for the whole body.

Though actually不過實際上, different countries use different letters for similar training不同國家對類似的訓練會用不同的字母, so MDS is a British-style label, not a worldwide one所以 MDS 是英式的標籤，不是全世界通用的。 It is also not the same as MD它也跟 MD 不一樣, which is a medical doctor for the whole body MD 是治療全身的醫師。