Exams & X-rays
A complete exam with digital X-rays — you see what we see, and nothing is recommended without showing you why.
The dentistry that keeps you out of trouble
Exams, cleanings, fillings, and honest prevention — unhurried visits with Dr. James Chon, DMD, in the language you're most comfortable speaking. Dr. Chon is a top-rated general dentist in Diamond Bar — 5.0 on Google across 50+ reviews.
In Line Dentistry, on Golden Springs Dr in Diamond Bar, is rated 5.0 on Google. Its general dentist, Dr. James Chon, DMD, sees patients 13 and older for exams, cleanings, fillings and night guards, in English, Spanish, Korean or Vietnamese. The first visit is $95 flat, or $0 out of pocket with an active PPO plan.
New patients
$95 for your complete first visit. $0 out of pocket with an active PPO plan.
New-patient visit
$95
Flat, for cash and HMO patients ($0 with an active PPO plan). Exam, X-rays, cleaning and a written plan.
With an active PPO plan
$0
When your plan covers preventive care at 100%. In-office whitening included for active PPO patients.
No insurance
$449/yr
The In Line Member plan: two cleanings, two exams, X-rays and 30% off treatment.
Plan for 90 minutes. We check your benefits for free before you come in. Financing is available on approved credit through CareCredit, Affirm, Klarna, Afterpay, Sunbit, LendingClub, and Proceed Finance — how financing works.
Everyday care
Four things we do constantly
Cleanings & hygiene
Thorough, comfortable professional cleanings on a six-month rhythm that protects both your teeth and your care policy.
Fillings
Tooth-colored fillings that repair decay and disappear into your smile — placed gently, with nitrous oxide available.
Prevention & planning
A clear, itemized plan at every visit. If nothing needs doing, that's exactly what we'll tell you.
What makes us different
Care in four languages
Dental visits work better when nothing is lost in translation. Our team cares for patients in English, Spanish, Korean, and Vietnamese — so your exam, your questions, and your treatment plan happen in the language you're most comfortable speaking.
The money part
First visit: one simple price
New patients start with everything we need to build your plan — exam, digital X-rays, and cleaning.
New Patient Special
$95
flat · or $0 with an active PPO plan
One flat price, no insurance needed.
What's includedWith an active PPO plan
$0
preventive covered at 100%
We verify your benefits before you arrive — no surprises.
How insurance works hereNo insurance?
$449/yr
In Line Member plan
Two cleanings, two exams with necessary X-rays, and a member discount on treatment. A discount plan, not insurance.
See the membership The 4-year care policy
We stand behind our work.
Treatment is covered for four years from completion. One condition: keep up with your routine recall visits.
Read the policy →"Dr James is not only professional and very knowledgeable, his friendly demeanor kept me calm."
"The entire team was welcoming, professional, and incredibly attentive. The office is clean, modern, and runs very efficiently."
"Dr James went thru every single treatment in detail and explained everything so clearly."
How do I choose a general dentist in Diamond Bar?
Look for a dentist who sees you personally, prices in writing, and takes your plan. At In Line Dentistry, Dr. James Chon, DMD, does every exam himself on Tuesdays and Thursdays, the new-patient visit is $95 flat ($0 out of pocket with an active PPO plan), and the team speaks English, Spanish, Korean and Vietnamese. Patients rate the practice 5.0 on Google across 50+ reviews.
Who is the general dentist at In Line Dentistry in Diamond Bar?
Dr. James Chon, DMD. He sees patients 13 and older on Tuesdays and Thursdays for exams with digital X-rays, cleanings, tooth-colored fillings and night guards, and nitrous oxide is available for nervous patients. The practice is rated 5.0 on Google and cares for patients in English, Spanish, Korean and Vietnamese.
How often should I get a dental checkup and cleaning?
Every six months for most people. Twice-a-year exams and cleanings catch small problems while they're still small — and at In Line, those routine visits also keep the 4-year care policy on your dental work active.
What does the $95 New Patient Special include, and is it $0 with an active PPO plan?
$95 for your complete first visit: exam, digital X-rays, cleaning and a personal treatment plan. $0 out of pocket with an active PPO plan that covers preventive care at 100%, verified before you come in.
What languages does the office speak?
English, Spanish, Korean, and Vietnamese. Your exam, your questions, and your treatment plan can all happen in the language you're most comfortable in.
Are Saturday appointments available?
Dr. Chon sees patients on Tuesdays, 9 AM to 6 PM, and Thursdays, 10 AM to 7 PM. On other days our office is open for scheduling, billing, and questions, but treatment happens on Tuesdays and Thursdays — so that's when to book your visit.
I'm nervous at the dentist. What are my options?
Tell us — it changes how we schedule and pace your visit. We explain every step before it happens, and nitrous oxide sedation is available to keep you comfortable.
Do you make night guards for grinding or clenching?
Yes. Custom night guards are made for patients who grind or clench at night. Dr. Chon looks for the wear at your exam, and if a guard makes sense you get an itemized written price before anything is made.
Do you see kids?
From age 13, yes. Dr. Chon sees teens and adults, and a teen can book alongside a parent. Younger kids are not seen at this office.
Due for a visit?
Six months goes by fast
Book online in under a minute — or call and we'll find a time that fits. Pick a Tuesday or Thursday time below and we'll text you to confirm it.