Brihat Jataka
नवमायतृतींयधीयुता न च सौम्यैरशुभा निरीक्षिता: ॥ नियमाच्छुवणोपघातदारदवैकृत्यकराश्च सप्तमे ॥ २३-११ ॥
Malefics joined to the 9th, 11th, 3rd, and 5th house and not aspected by the benefics, those cause weakness to hearing by the rule (indicated in the previous verse concerning the doshas of the strong planets). And in the 7th house, those cause deterioration of the teeth.
english translation
navamAyatRtIMyadhIyutA na ca saumyairazubhA nirIkSitA: ॥ niyamAcchuvaNopaghAtadAradavaikRtyakarAzca saptame ॥ 23-11 ॥
hk transliteration by Sanscript