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About

Diablo Hills Dental Excellence is a private dental practice headquartered in Antioch, California, offering cosmetic and general dentistry. Services include oral exams, teeth cleanings, fillings (dental colored), chip repair, crowns, root canals, oral surgery, TMD therapy, and whitening. The practice operates four offices in the United States (all in Antioch, CA) and is led by Dr. Palano. Key stats: annual revenue about $25 million, 5–10 employees, monthly website traffic ~1,139 visits with positive growth, and a strong local presence in Antioch/Oakley area. Contact: 925-778-8080.

Clinic Type

Dentistry

Address

Antioch, CA (serving Antioch, Oakley, Brentwood, Pittsburg, Concord)

Phone

925-778-8080

Email

smile@diablohillsdental.com

Opening Hours

Not published — contact the clinic to confirm hours.

Emergency Care

Available (dental emergencies addressed promptly)

Services Offered

  • Cosmetic dentistry
  • Restorative dentistry
  • Preventive education & routine hygiene
  • Comprehensive dental care
  • Emergency dentistry
  • Cosmetic & reconstructive dentistry

Insurance & Payment

View Offers, View Services, Full-Service General Practice, $0 Whiter, Healthier Cleanings!, FREE Cosmetic Consultations!, Insured Patients Welcome

Languages Spoken

Pricing

  • Full-Service General Practice
  • $0 Whiter, Healthier Cleanings!
  • FREE Cosmetic Consultations!
  • Insurance accepted for insured patients

Current Offers

FREE Cosmetic Consultations — null

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Yahoo/MapQuest/Yelp aggregation: 4.5 out of 5 stars (Approximately 55-62 reviews (on specific platforms referenced))
  • Google My Business (referenced source): 4.9 out of 5 stars (235 reviews)

Patients praise

  • Friendly, professional, and welcoming staff
  • Efficiency and punctuality in appointment management
  • Gentle care, particularly appreciated by patients with dental anxiety
  • Comprehensive and thorough dental cleanings
  • Positive experiences with pediatric dental care

Common complaints

  • Some patients have reported issues with billing and unclear costs
  • Instances of post-procedural pain or complications have been noted by some reviewers
  • Concerns regarding the quality of specific dental procedures, such as fillings
  • Dissatisfaction with communication, specifically regarding practice policies or treatment explanations

"Very professional staff , welcoming , friendly , efficient and on time , no waiting . Dr Palanos (twins) absolutely the BEST -I HIGHLY recommend taking any dental issues to this fantastic..."

Yahoo Local Reviews

"I can no longer in good conscience recommend this place. After going here for around 3-4 years, I recently recommended it to someone, and I am embarrassed by the treatment they..."

MapQuest/Yelp User Review

"Hate going to a dentist .Im not comfortable someone’s touching my mouth....BUT after I visited Diablo Dental ...i was surprised becoz all of them are so kind...Im glad my husband found this dental clinic...u guys are the BEST!!!"

Demandforce Patient Review

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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