Meaning of 歯槽 in Japanese

Definition of 歯槽

しそう(shisou) 【歯槽】

(n, adj-no) (dental) alveolus; (dental) alveoli; socket in the jaw containing the root of a tooth

しそうのうろう(shisounourou) 【歯槽膿漏】

(n) periodontitis; pyorrhea; pyorrhoea; pyorrhea alveolaris; inflammation of the gingiva (gums) resulting in bone loss
最近いった歯医者で「歯槽膿漏がありますね」と言われ悩んでいます。
I'm worried because the dentist I went to recently told me, "You've got periodontitis alright".

しそうこつ(shisoukotsu) 【歯槽骨】

最近さいきんいった歯医者はいしゃで「歯槽膿漏しそうのうろうがありますね」と言われ悩んでいます。

I'm worried because the dentist I went to recently told me, "You've got periodontitis alright".