C Dental X-Ray offers a wide array of dental imaging services. All x-rays are digital, which improves image quality…More and significantly reduces radiation. According to California law, you need a doctor's prescription to get an x-ray, so be sure to bring your completed referral slip.  </p> <p>With regards to insurance, Kaiser Permanente is the only company with which C Dental X-Ray has a contract and you must receive pre-authorization from Kaiser. If you have a different insurance provider, C Dental X-Ray will assist you in the process of filing a claim with your insurance company.</p>