in line 35 the poet has misspelt the word ''amalgum'' . why do you think she has done that?
This is not deliberately misspelt, but a printing error. The word appears as 'amalgam' in the poem on the official website of Pam Ayres, the poet.
http://www.pamayres.com/index.php/2011/08/oh-i-wish-id-looked-after-me-teeth/
Best.