Harbour Place Dental

For that Perfect Winning Smile


Call us: (425) 493-8111

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Preventive and Diagnostic

Preventive and Diagnostic

Comprehensive exams

photo_22We do a complete exam of your teeth, gums, and soft tissue (intraoral and extraoral). We utilize necessary X-rays to help us carefully check each tooth and the surrounding bone and gum tissue. We will discuss options for needed treatment and come up with a solution that is right for you. We utilize a handheld device called Oral ID, which uses fluorescence technology to help detect oral cancer or precancerous lesions. We scan over the soft tissue in the mouth with the blue light and are able to detect abnormalities that may not be visible with just a visual exam.

Digital x-rays

We utilize digital X-rays in our office. Instead of capturing images in the mouth on X-ray film, we use a sensor that is connected to our computer by a cable. The images of the teeth and bone can be viewed on the monitor, where we can enlarge and sharpen the images. This helps us in making an accurate diagnosis. Radiation exposure is reduced by 80-90% when using a sensor compared to traditional film.

Teeth cleanings and check-ups

Having healthy gums and bones to support your teeth is essential to overall oral health and systemic health. It is important to regularly brush and floss your teeth to keep food debris and plaque from accumulating on the surfaces and irritating the gums. Soft plaque can harden on the teeth and become tartar, which needs to be scraped away by your dental hygienist or dentist. It is important to have regular check-ups and teeth cleanings to prevent problems or to detect any decay and gum problems when they are small.

Sealants and fluoride treatments

Sealants are a resin protective coating applied to grooved areas on a tooth, like the chewing surfaces of molars. They are effective in keeping plaque and food debris from sitting in the grooves and crevices of the teeth and causing decay. Fluoride treatments, such as gel and varnish, can be applied to the teeth to help strengthen, re-mineralize, and desensitize them.

Periodontal treatments
photo_23Periodontal scaling and root planing: Heavy plaque and tartar build-up on the teeth can lead to bleeding gums, bone loss, and deep pocketing of the gums around the teeth. In order to help heal the gums and stop bone loss, it is necessary to clean the root surfaces below the level of the gums with ultrasonic and hand instruments. Antimicrobial rinses are sometimes used to flush the pockets out and then prescribed for the patient to rinse with at home.

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Harbour Place Dental
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Patient Reviews

Kathy Onishi

We are committed to helping you achieve a healthy and beautiful smile in an atmosphere of comfort and caring. Our patients' satisfaction is important to us. Read more here .

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HarbourPlDental
harbourpldental Dr. Kathy Onishi @harbourpldental ·
24h

🍓 Friday Dental Tip

Hidden sugar isn't just in candy! Many drinks and packaged foods contain added sugar that can increase your risk of cavities.

Choose water, read nutrition labels, and brush & floss daily.

📞 (425) 493-8111

#HealthySmile #DentalTips #HarbourPlaceDental

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harbourpldental Dr. Kathy Onishi @harbourpldental ·
6 Aug

🦷 Dental Myth vs. Fact
❌ Myth: Baby bottle tooth decay isn’t serious.
✅ Fact: It can cause pain, infection, and future dental problems. Baby teeth matter!
📞 (425) 493-8111
🌐 http://HarbourPlaceDental.com/contact-us
Read more: http://mouthhealthy.org/en/az-topics/b/baby-bottle-tooth-decay

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harbourpldental Dr. Kathy Onishi @harbourpldental ·
5 Aug

A little daily care can protect your smile for years. 🦷🌿
Brush twice daily, floss, drink water, choose tooth-friendly foods, limit sugary treats, and visit your dentist regularly.
📞 (425) 493-8111
🌐 http://HarbourPlaceDental.com
#WellnessWednesday #HealthySmile

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harbourpldental Dr. Kathy Onishi @harbourpldental ·
4 Aug

🦷200 Years of Dental Innovation-Week 19: Dental lasers brought light-powered precision to dentistry, giving dentists another tool for selected procedures involving comfort, accuracy, and efficiency.

📞 (425) 493-8111
🌐 https://harbourplacedental.com/contact-us
#DentalLasers #DentalInnovation

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Latest Blog Posts

  • Common Reasons for a Toothache: What You Need to Know April 22, 2025
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Harbour Place Dental

Harbour Place Dental

12 hours 34 minutes ago

🦷 A Cracked Tooth Doesn’t Always Have to Be Extracted Hearing that you have a cracked tooth can be alarming, but extraction may not always

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Harbour Place Dental

Harbour Place Dental

1 day 4 hours ago

🦷 Friday Dental Tip of the Week 🍓 Protect Your Teeth from Hidden Sugar Did you know that sugar isn't just found in candy and

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Services Hours

Monday 8:30 AM–4:30 PM
Tuesday 8:30 AM–4:30 PM
Wednesday 9 AM–6 PM
Thursday 8.30 AM–3 PM
Friday 8 AM–1 PM
Saturday Closed
Sunday Closed

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Top 10 Dentists in Mukilteo, WA
Voted one of 2015's best Mukilteo, WA practices in Dentistry
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