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Carl Christiansen, DDS – General Dentist
- Dental School: University of Washington
- College: Boise State University, University of Hawaii
- Hometown: Boise, ID
- Specialty: General Dentist- Emphasis includes general and cosmetic dentistry including root canals, fixed and removable dentures and implant restoration.
- Hobbies/Interests: Downhill skiing, bike riding, triathlon sprints, movies, music at clubs and concerts, spending time with my daughter and son
- Charitable Activities: Northwest Medical Teams
I enjoy dentistry with all of its many challenges and difficulties. Good dentistry is not an act but a habit that must be sustained at all times. I enjoy bringing that level of care to my patients and getting to know them and their family. I encourage a friendly, comfortable environment with open communication at our office for patients and staff.

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Karie B. Lee, DMD – General Dentist
- Dental School: Oregon Health & Science University, Portland
- College: Portland State University
- Hometown: Woodrow Wilson High School
- Birthplace: Malaysia
- Hometown: Portland
- Affiliations and Associations: American Dental Association
- Hobbies/Interests: Traveling, spending time with my family, scrapbooking
- Charitable Activities: Give Kids a Smile
- Other Languages: Vietnamese and Cantonese
I enjoy working with patients of all ages, with an emphasis on working with children. My philosophy is to never stop growing as a dentist. Keep up with what’s new, which allows you to provide the best for your patients!

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Scott McClure, DDS – General Dentist
- Dental School: University of Washington School of Dentistry
- College: Washington State University
- High school: Fort Vancouver High School
- Hometown: Vancouver
- Birth date: February 1952
- Birthplace: Vancouver
- Hobbies/Interests: Skiing, Whitewater rafting, beekeeping, camping
- Charitable Activities: Advisory Board – Clark College Dental Hygiene program
I enjoy the artistic as well as the oral health management aspects of dentistry. I find it very rewarding when someone tells me how much better their smile looks after treatment.

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Justin Elson, DMD – General Dentist
- Dental School: Oregon Health & Science University, Portland
- College: California State University, Sacramento (BS Mechanical Engineering)
- Hometown: Elk Grove, CA
- Affiliations and Associations: Former submarine officer, SSBN 733 USS Nevada, Member Academy of General Dentistry, Member Omicron Kappa Upsilon Dental Honor Society, Member Tau Beta Pi Engineering Honor Society
- Hobbies/Interests: Mountaineering, Hiking, Home brewing, Photography
- Charitable Activities: Hike leader and mountaineering instructor for the Mazamas
I know how valuable time is to me and my patients and how frustrating it can be to be kept waiting at the doctors’ office. My staff and I will do our best to keep on schedule and see you on time so you can get on with your day.

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Darius Arlauskas, DMD – General Dentist and IV Sedation Dentistry
- Dental School: Oregon Health & Science University, Portland
- College: Oregon State University
- High school: Jesuit High School
- Hometown: Wilsonville
- Specialty: General Dentist- IV Sedation, cosmetic make-over, Invisalign, root canals, complex extractions, tissue grafts and implants.
- Affiliations and Associations: American Dental Association
Through continual advancement, we are able to keep your mouth functioning great, feeling good, and looking beautiful. If you are fearful, there are multiple options to ease your anxiety from “laughing gas” to IV Sedation. We are truly in the golden era of dentistry!

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Justin Goodman, DDS – General Dentist
- Dental School: University of the Pacific, San Francisco, CA
- College: Dartmouth College
- High school: Marshfield High School
- Hometown: Coos Bay, OR
- Affiliations and Associations: American Dental Association, Oregon Dental Association, Omicron Kappa Upsilon Dental Honor Society, Tau Kappa Omega Dental Honor Society
- Hobbies/Interests: Rock climbing, surfing, fly-fishing, drawing, espresso, and great food
My goal is to deliver state of the art dentistry in a comfortable and relaxed manner. I enjoy working with patients to jointly restore and maintain oral health.

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Leila Tarsa, DDS, MS – Endodontist
- Specialty: Endodontics
- Dental School: University of Southern California (USC), Los Angeles
- Advanced Education in General Dentistry [AEGD] Residency: University of California Los Angeles (UCLA)
- Endodontic Residency and Fellowship: Oregon Health & Science University, Portland
- College: University of California San Diego (BS, MS)
- Hometown: San Diego, CA
- Affiliations and Associations: American Association of Endodontists, American Dental Association, California Dental Association, and Oregon Dental Association
- Hobbies/Interests: Working out, shopping, watching movies
I understand that having dental treatment could be a frightening experience, so I try to make every individual visit a calm and relaxed one.

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Benjamin Reese, DDS, MSD – Orthodontist
- College: Northwest Nazarene University, Nampa, ID
- Dental School: Indiana University
- Orthodontic Specialty Residency: Indiana University
- Hometown: Portland, OR
- Birthplace: San Antonio, TX
- Specialty: Orthodontics
- Affiliations and Associations: Diplomate – American Board of Orthodontics, Member – American Association of Orthodontics
- Hobbies/Interests: I enjoy mountain biking, golfing, camping, fishing, photography, and playing with my two little boys.
- Other Languages: Some Spanish
Many orthodontic offices have a long line of chairs running hectically where most of the work is delegated and the patients rarely see the orthodontist. I believe that individual doctor-patient attention is crucial to provide the highest quality of care to each patient, and that’s what I provide at Gentech.

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Sarah Nguyen, DMD – Periodontist
- Specialty: Periodontics
- Dental School: Oregon Health & Science University, Portland
- Periodontal Residency: Oregon Health & Science University, Portland
- College: Pacific Lutheran University
- High School: Valley Catholic
- Hometown: Portland, OR
- Affiliations and Associations: American Dental Association, Academy of Osseointegration, American Academy of Periodontology
- Hobbies/Interests: Soccer, tennis, ping pong, cycling, hiking, and good food
- Other Languages: Picked up a bit of French and German while living in Europe
- Charitable Activities: Mission of Mercy

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Jovan Gvozden, DMD – Practice Limited to Oral Surgery
- Dental School: Tufts University School of Dental Medicine, Boston, MA
- College: Tufts University, Boston, MA
- Hobbies/Interests: One of my favorite places to go in Portland is Piazza Italia. They have the best Italian food in Portland!
One of the most rewarding things about my job is when my patients tell me they don’t fear going to the dentist anymore.

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Tariq A. Barghouti, DDS – General Dentist
- Dental School: University of the Pacific, San Francisco, CA
- College: Portland State University
- High school: Beaverton High school
- Hometown: Beaverton
- Birth date: September 1966
- Affiliations and Associations: American Dental Association, Oregon Dental Association
- Hobbies/Interests: Fishing, Cooking, Traveling
I never forget that teeth are attached to people and for that very reason I treat each patient as I would my family and friends. I love all phases of dentistry, especially cosmetic and veneers so patients can obtain their optimal smile.

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Holly O’Shea, DMD – Pediatric Dentist
- Pediatric Dental Residency: Harvard School of Dental Medicine/Boston Children’s Hospital, Boston, MA
- Dental School: University of Alabama School of Dentistry, Birmingham, AL
- College: University of South Alabama, Mobile, AL
- Specialty: Pediatric Dentist
- Hobbies/Interests: Surfing, windsurfing, snowboarding, running, yoga, family time with my 3 children
Learning good dietary habits and good oral health tips to practice at home leads to a lifetime of good teeth. My role is to start that educational process at baby well child checks at one year of age. Then, to watch these children grow without knowing dental decay is the most rewarding part of my job.

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Casey Nelson, DMD – Pediatric Dentistry
- Specialty: Pediatric Dentistry
- Dental School: University of Nevada, Las Vegas School of Dental Medicine, Las Vegas, NV
- Pediatric Dental Residency: University of Nevada, Las Vegas School of Dental Medicine, Las Vegas, NV
- College: University of Nevada, Las Vegas
- Hometown: Las Vegas, NV
- Affiliations and Associations: American Academy of Pediatric Dentistry, American Dental Association, Oregon Dental Association, International Association of Dental Research
- Hobbies/Interests: When I am not working in the office, I enjoy participating in most outdoor activities such as hiking and boating. I also enjoy watching and playing sports. A couple of my favorite sports are basketball, football, baseball, and golf.
My training in pediatric dentistry allows me the opportunity to provide evidence-based dental care to children in a comfortable and relaxing environment. It is my belief that children should have a positive experience when visiting the dentist. Through this approach, children (and parents) are encouraged to form healthy oral habits early in life, which helps them remain cavity-free and develop a positive attitude toward future dental visits.

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Isaac Edwards, DMD – General Dentist
- Dental School: Oregon Health & Science University, Portland
- College: George Fox University
- High School: Western Mennonite High School
- Hometown: Salem, OR
- Birthplace: Portland, OR
- Affiliations and Associations: Oregon Dental Association, American Dental Association, Academy of General Dentistry, Omicron Kappa Upsilon Dental Honor Society
- Hobbies/Interests: basketball, rock climbing, surfing, Portland restaurants, spending time with my wife
- Charitable Activities: Medical Teams International, Give Kids A Smile

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Alvin Watanabe, DMD – General Dentist
- Dental School: Oregon Health & Science University, Portland
- College: Oregon State University
- High school: David Douglas High School
- Hometown: Portland
- Specialty: General Dentistry. Due to additional training, I do most extraction cases including impacted wisdom teeth, most root canal therapies, exclusively tooth colored fillings, dentures including implant-retained dentures, removable partial dentures, the majority of children’s dentistry, implant-retained crowns and bridges, both chairside and lab-processed cosmetic dentistry procedures.
- Affiliations and Associations: Clark County Skills Center Dental Advisory Board member, Clark College Dental Hygiene Advisory Board member
- Hobbies/Interests: Culture, movies, cars, photography, nature, music, Blazers, landscaping, simple home remodeling projects.
I enjoy doing all phases of dentistry for patients of all ages from 1 1/2 years on up. When I started practicing, I said that dentistry was like a hobby to me, and it still is. I really enjoy improving and maintaining my patients’ dental health, improving smiles, and bringing ‘health and beauty to life.’ My philosophy is to always listen to patient wants and needs and then to provide them with great customer service, top quality dentistry, with a gentle approach for a ‘wow’ experience.
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Natasha Bramley, DMD – Pediatric Dentist
- Pediatric Dental Residency: University of Connecticut
- Dental School: University of Pennsylvania
- Hobbies/Interests: Running, watching independent/foreign movies, attending live music events, travelling to and exploring new places, sampling the diverse cuisine Portland has to offer.
- Other Languages: Hindi
In pediatric dentistry, I am rewarded with happy faces, the trust of my little patient as well as his/her parents, as well as the knowledge that I have made a difference in a child’s life in some small way. What’s not to love?
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Soo Jun, DMD – Pediatric Dentist
- Pediatric Dental Residency: St. Barnabas Hospital, Bronx, NY
- GP Residency: Harvard School of Dental Medicine, Boston, MA
- Dental School: Tufts School of Dental Medicine, Boston, MA
- Hometown: Beaverton, OR
- Hobbies/Interests: Exercise, movies
- Affiliations: American Academy of Pediatric Dentistry
There is such a great need for dental care for young kids. I am thankful for the opportunity to serve the community as a pediatric dentist.
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Sunny Drake, DMD – Periodontist
- Specialty Dental Residency: Oregon Health & Science University
- Dental School: Oregon Health & Science University
- College: Idaho State University
- Hometown: Pocatello, ID
- Affiliations and Associations: American Academy of Periodontology, Academy of General Dentistry, American Dental Association, American Association of Women Dentists
- Charitable Activities: Mission of Mercy volunteer, Gives Kids a Smile volunteer
- Hobbies/Interests: Reading, Outdoor Activities
I always look forward to improving each patient’s oral health.

