Margarita Palestino filed a request for dismissal of the case on Oct. 21

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The dental technician who accused Charlie Sheen of assaulting her in 2014 has dropped her lawsuit.

Margarita Palestino filed a request for dismissal on Oct. 21, according to court documents obtained by PEOPLE. The dismissal was filed with prejudice, meaning that it was dismissed permanently.

Palestino originally filed the suit against Sheen, 50, in October 2014 for assault, sexual battery and intentional affliction of emotional distress after alleging that the actor got violent during a visit to the dentist’s office that September.

According to the suit, Sheen was seeking treatment for an abscess and allegedly ripped off the nitrous oxide mask Palestino had placed on him and shouted, “I’m going to f—ing kill you!”

Palestino claimed Sheen grabbed her “left breast area” and bra strap and “forcefully pulled it down in an attempt to open or remove her bra.”

She also claimed that Sheen threatened one of the dentists in the room with a knife, and that she was told Sheen was “high on a combination of crack cocaine, Theradol and alcohol” during his visit.

Sheen’s publicist at the time told PEOPLE the actor “had a bad reaction” to the gas administered at the dentist’s office and denied a knife or illegal drugs were involved.