Periontal ligament is a group of specialized connective tissue fibers that essentially attach a tooth to the alveolar bone within which it sits O These fibers help the tooth withstand the naturally substantial compressive forces which occur during chewing and remain embedded in the bonePeriontal ligament ⚫is a group of specialized connective tissue fibers that essentially attach a tooth to the alveolar bone within which it sits. ⚫These fibers help the tooth withstand the naturally substantial compressive forces which occur during chewing and remain embedded in the bone