Haven't seen pitting that bad and deep on an aluminum drop bar.
Was the bike maybe owned by a triathlete that had to swim in ocean water before the bike stage?
Not sure but the deep pitting might develop into cracks.
Bars in much better used condition are pretty cheap and live teeth are not replaceable....... I suggest you replace it as soon as you can...
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72 Line Seeker
83 Davidson Signature
84 Peugeot PSV
84 Peugeot PY10FC
84 Gitane Tour de France.
85 Vitus Plus Carbone 7
86 ALAN Record Carbonio
86 Medici Aerodynamic (Project)
88 Pinarello Montello
89 Bottecchia Professional Chorus SL
95 Trek 5500 OCLV (Project)