About Us Dr Yogita Khasa began Smilexcellence in 2015 with the vision of providing excellent, affordable and pain-free dentistry. Our modern and comfortable dental practice is expressly designed with your comfort in mind and is conveniently located in Richmond, NSW. We cater for all ages, placing a strong emphasis on preventive care and helping people achieve and maintain their best level of dental health more easily and cost-effectively. By diagnosing and treating any dental problems earlier, we can prevent many uncomfortable and painful conditions. Above all, we want to ensure that every visit to Smilexcellence is a positive experience.