Our community has been through a lot due to the ongoing pandemic, and all of us are looking forward to resuming our normal habits and routines. While many things have changed, one thing has remained the same: our commitment to your health and safety.

Infection control has always been a top priority of our dental practice, and you may have seen that we take great pride in this. Our infection control processes are made so that when you receive care, it’s both safe and comfortable. We want to tell you about the infection control procedures we follow in our practice to keep the patients, staff, and the ones we come in contact with in our daily lives safe.

Our office follows infection control recommendations made by the American Dental Association (ADA), the U.S. Centers for Disease Control and Prevention (CDC), and the Occupational Safety and Health Administration (OSHA). We follow the activities of these agencies so that we are up-to-date on any new rulings or guidance that may be issued.

Upon the emergence of COVID-19, here are some additional measures we take to ensure your safety:
  • Our office will communicate with you beforehand to ask some screening questions. You’ll be asked those same questions again when you are in the office, and we will be taking your temperature. Based on your answers and if your temperature is 100.4°F or higher, we will need to reschedule your appointment.
  • We have hand sanitizer that we will ask you to use when you enter the office. You will also find some in other places in the office for you to use as needed.
  • You may see that our waiting room will no longer offer magazines, children’s toys and so forth, since those items are difficult to clean and disinfect. Similarly, please limit the personal belongings that you bring inside to your appointment.
  • Appointments will be managed to allow for social distancing between patients when possible. That might mean that you’re offered fewer options for scheduling your appointment. Please respect the social distancing requirement of 6 feet where practical.
  • We will do our best to allow greater time between patients to reduce waiting times for you, as well as to reduce the number of patients in the reception area at any one time. To that end, please consider calling from your car to check on the status of the reception area and be on time. Also, please come alone to your appointments. If needed, one guardian/caretaker is permitted, but they must remain in the reception area.
  • Please arrive with face masks/coverings for they will be required at all times for both patients and staff when appropriate.
  • An antiseptic mouth rinse will be used just prior to treatment for the health and safety of all. Where possible, expect changes in how we do certain procedures to eliminate or reduce the spread of aerosols and splatter during treatment. For example, for now we will be temporarily eliminating ultrasonic tools and teeth polishing during your teeth cleaning appointments until further notice.
  • Clear sneeze guard barriers between you and our front desk personnel will be used to aid in social distancing, and we ask that we all limit our conversations to what’s necessary to limit contact time. More regular and frequent sanitizing of high touch areas and items will be done for your health and safety. This includes door and other handles, light switches, countertops, etc.
We look forward to seeing you again and are happy to answer any questions you may have about the steps we take to keep you, and every patient, safe in our practice. To make an appointment, please call our office at 415-752-8311 .

Thank you for being our patient. We value your trust and loyalty and look forward to welcoming back our patients, neighbors, and friends.

Dr. Leo Arellano

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Getting adjusted to your new life free of snoring and sleep apnea in Daly City

Getting adjusted to your new life free of snoring and sleep apnea in Daly City

Oral Appliance Therapy – Oral appliances are at the forefront for reducing snoring and alleviating mild to moderate forms of sleep apnea. An oral appliance is a plastic device that fits inside your mouth to be worn at night while you sleep. It offers many of the same benefits as a conventional continuous positive airway pressure (CPAP) system, without the intruding hoses, pump, and mask.


  • Substantial reduction in occurrence of sleep apnea and snoring, especially for patients prone to sleeping on their backs or stomachs
  • Higher rate of compliance than CPAP users
  • Better quality of sleep
  • Reduced snoring frequency and loudness

Types of Appliances

At Dr. Leo Arellano General & Cosmetic Dentistry, Daly City residents can be expertly assessed and fitted for oral appliance therapy treatment. Oral appliances fall into two categories. Tongue retaining devices hold the tongue in a forward position using suction so it does not slide back into the airway cavity. Mandibular repositioning devices are similar to a sports guard or a retainer, fitting over your upper and lower teeth to hold the jaw forward and prevent your throat from collapsing.


Many medical insurance policies provide coverage, and flexible payment programs are available. Overall, oral appliance devices are considerably less costly than CPAP units are.

We are here to help Call us at 415-881-4343 or Schedule an Appointment

Adjustment Period

Oral appliances are comfortable and easy to use, but do require a brief adjustment period. Once you are at home with your new device, expect to take a few days to a few weeks to become fully accustomed to its feel and function. The devices, which are worn 6-8 hours every night, can last up to five years with regular care.

What to expect with your new oral appliance:

  • Due to the construction and design of the appliance, it may be slightly uncomfortable at first, particularly with the mandibular repositioning device, which juts your lower jaw forward. However, should you feel extreme discomfort in your jaw joint (TMJ) area, contact your dentist immediately.
  • Check over time for any movement of your teeth to ensure there is no permanent repositioning.
  • If you are using mandibular repositioning device, be patient. It may take up to 6 months to maximize the forward extension of the jaw to optimize airflow.
  • Dry lips and excessive salivation may occur.
  • When the device is first removed each morning, your jaw may need 15-45 minutes to shift from its forward bite to using your normal bite. Over time, this will become a natural daily reprogramming.

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Before and After Photos

Full Reconstruction with Braces, Gum Surgery, Implants, Crowns, and Veneers

Photo by Dr. Leo Arellano

Gum Disease – BNA Image – 05-1
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What our patients are saying...

originally posted on Google

I’ve been going to Dr. Arellano for about 20 years and I continue because of the excellent care and treatment I get with him and his whole office team. He is both professional and personable.
Recently I had a newer technique of gum surgery/grafting at his office called, “Pinhole Surgical Technique of gum grafting.” I personally found this to be much easier to handle than the other style of gum grafting that I received years ago for the other side of my mouth. That worked, it was where part of my roof of my mouth was cut and surgically sewn onto the gum. However, I much prefer the pinhole technique. It was actually the easiest dental work I’ve had (beyond regular cleaning) It didn’t take too long and it didn’t feel uncomfortable getting it done.... More Reviews