Compassionate, modern dental care
in Diamond Bar

At In Line Dentistry, we’re focused on restoring your smile and confidence through honest care and personalized comfort. Let us help you eat, smile, and live pain-free again.

Get to know your doctor

Meet Dr. James Chon

Dr. James Chon grew up in Southern California, with formative years spent in Pennsylvania during middle school. He earned his undergraduate degree from UCLA and completed dental school at UNLV in Las Vegas. After being inspired by a life-changing mission trip to Guatemala, he shifted his path toward a career driven by purpose and patient care.

Dr. Chon is passionate about helping people feel like themselves again by restoring their ability to smile, eat, and live comfortably. With a warm and honest approach, he ensures every patient feels seen and supported through their dental journey.

Personalized treatments for real-life smiles

Cosmetic dentistry

Whether you’re unhappy with stained teeth, chips, or spacing, our cosmetic treatments can help enhance your smile. From in-office whitening to full smile makeovers, we’re here to build confidence, one tooth at a time.

Implant dentistry

Dental implants are a long-lasting solution for missing teeth that look and feel natural. We provide placement, restoration, and full arch treatments to help you eat comfortably and smile again without hesitation.

Restorative dentistry

From durable fillings and crowns to full dentures and bridges, our restorative services bring function back to your bite. We’ll walk you through every step to ensure you feel informed and at ease.

What makes us different

Your care, your way

At In Line Dentistry, we believe dentistry should be thoughtful, not rushed, and always personal. Whether you need a cosmetic refresh or want to restore your ability to eat pain-free, we’re here to guide you with honesty and care.

Personal relationships

You're more than a number here. From the moment you walk in, our friendly staff gets to know you and tailors your experience to fit your needs and goals.

Comfort-focused care

We’re committed to making your visit as easy and stress-free as possible. Our doctor and team take the time to explain what to expect so you feel confident in your care.

Implants and cosmetic expertise

With advanced training in implant placement and cosmetic enhancements, you'll receive quality care that transforms both your health and your smile.

4-year warranty

We stand behind our work. That’s why we offer a four-year warranty on our dental treatments. By coming in every six months for regular checkups and maintenance, your warranty remains active, helping protect your investment and your long-term oral health.

*Lapses in routine maintenance may void the warranty.

$99 New Patient Experience

New to In Line Dentistry? Let’s make it easy

We’re welcoming new patients with a special offer designed to help you get started. Whether it’s been six months or six years, now’s the perfect time to take care of your smile.

Cleaning

Exam

X-Rays

Tour our Office

$250/year membership

Smile more with a simple, affordable plan

No insurance? No problem. Our in-house membership through Kleer includes the preventive care you need and discounts on additional treatment—all for one low annual fee.

Two cleanings per year

Two exams with necessary X-rays

1 emergency visit

Discounts on additional dental care

Let’s make your smile a priority