As you know, major changes in dental education are under way throughout the country.
( ( As ( you know ) ) ( , ( ( ( major changes ) ( in ( dental education ) ) ) ( ( ( are ( under way ) ) ( throughout ( the country ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN As) (S (NP (PRP you)) (VP (VBP know)))) (, ,) (NP (NP (JJ major) (NNS changes)) (PP (IN in) (NP (JJ dental) (NN education)))) (VP (VBP are) (PP (IN under) (NP (NN way))) (PP (IN throughout) (NP (DT the) (NN country)))) (. .)))
The changes mostly involve the integration of new syllabi. 
( ( The changes ) ( mostly ( ( involve ( ( the integration ) ( of ( new syllabi ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NNS changes)) (ADVP (RB mostly)) (VP (VBP involve) (NP (NP (DT the) (NN integration)) (PP (IN of) (NP (JJ new) (NNS syllabi))))) (. .)))