The woman allegedly poisoned by a dental nurse told a court that there had been 'disharmony' at the practice in Shefford, Bedfordshire.
Laura Knowles practice manager told the court a dentist in the surgery requesting not to work with Kaur and in turn Kaur refusing to work with another dentist.
Despite the discontent in the Shams Moopen Dental Practice, she believed she was on good terms with Kaur, telling the jury: "I considered myself to be Ravi's friend and mentor."
The case continues.
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A campaign has been launched to improve one of the key commuter routes in the East, linking parts of Essex and Cambridge to London.
Former Pink Floyd frontman Syd Barrett is being a remembered at a special concert at the Cambridge venue where he played his last gig.
The rather cloudy skies will remain over the next few days but it will stay mostly dry. Some fog overnight at the weekend.