Welcome to LarIssa Family Dental!
LarIssa Family Dental was founded by Dr. Larissa Petrosspour and her husband, Dr. Tiklat Issa. Their vision was to create a modern, innovative, and inviting dental oasis that offers personalized, high-quality care. Our team is committed to staying abreast of the latest scientific advancements and technologies, integrating cutting-edge approaches to diagnose and treat our patients. Our multi-specialty dental practice welcomes patients of all ages and dental needs.
Meet Our Providers

Dr. Tiklat Issa
Dr. Issa earned his Doctorate of Dental Surgery from Herman Ostrow School of Dentistry of USC, and his bachelor of science degree from the University of California, Los Angeles. Dentistry is a dynamic field that integrates science with artistic skill. Dr. Issa thus approaches each patient comprehensively with a uniquely tailored plan that not only caters to their needs, but also provides the highest standard of care.

Dr. Larissa Petrosspour
Dr. Larissa Petrosspour is a southern California native. She obtained her bachelor’s degree at UCLA and earned her Doctor of Dental Surgery degree at University of California, San Francisco. In her clinical practice, she assesses each patient wholistically to provide the highest quality of care and to achieve their smile goals.

Dr. David Ahn
Dr. Chanook David Ahn, a board-certified periodontist, specializes in dental implant surgery as well as the prevention, diagnosis, and treatment of periodontal disease. He is also an expert in aesthetic and functional soft tissue surgeries. Known for his respected standing among peers and his reputation for blending time-tested techniques with cutting-edge dental technology, Dr. Ahn is a highly sought-after lecturer.

Dr. Chris Sack
Dr. Chris Sack has been a valued member of our dental team since 1994. With a passion for dental hygiene, she enjoys educating patients on proper oral care and helping them maintain healthy smiles. Chris is dedicated to preserving and protecting your dental health through preventative techniques and personalized care. Her commitment to patient education ensures you’re always informed about the best practices for your oral health. We're proud to have her as part of our team!

Dr. Joseph DuRoss
Since 1973, Joseph DuRoss, D.D.S. has been working with patients to provide the best dental care for patients in the Long Beach & Lakewood area. Joseph DuRoss, D.D.S.’s experience in dentistry is coupled with genuine concern for his patients. All our dental staff is dedicated to your comfort and prompt attention as well. Our goal is to keep your teeth healthy and your smile bright. Come visit us at our historic dental office located in the beautiful Bixby Knolls neighborhood.
Services

GENERAL DENTISTRY
Dental X-rays Comprehensive Exams Oral cancer screening Crowns and Bridges Tooth color Fillings

HYGIENE
Dental Cleaning Periodontal Maintenance Deep Cleaning

PERIODONTICS
Gum Disease Extractions Implants

COSMETIC DENTISTRY
Whitening Veneers

ENDODONTICS
Root Canals

ORTHODONTICS
Invisalign Retainers Night Guards

ORAL SURGERY
Extractions Socket preservation
LarIssa Family Dental Membership Plan
Adult Wellness Plan
- 1 routine cleaning every 6 months (2 per year)
- Fluoride treatment with cleaning
- Regular exam with cleaning (2 per year)
- Oral cancer screening with cleaning
- 1 set of routine X-rays per year
- 1 emergency exam with X-ray per year
- 30% off additional treatments up to $3,000
- 15% off Invisalign treatment
Child Wellness Plan
- 1 routine cleaning every 6 months (2 per year)
- Fluoride treatment with cleaning
- Regular exam with cleaning (2 per year)
- Oral cancer screening with cleaning
- 1 set of routine X-rays per year
- 1 emergency exam with X-ray per year
- 30% off additional treatments up to $3,000
- 15% off Invisalign treatment
Perio Maintenance Plan
- 1 periodontal maintenance (4 per year)
- Fluoride treatment with cleaning
- Regular exams with cleaning (2 per year)
- Oral cancer screening with cleaning
- 1 set of routine X-rays per year
- 1 emergency exam with X-ray per year
- 30% off additional treatments up to $3,000
- 15% off Invisalign treatment
Save with Family Discounts!
5% off with 2 family members
7% off with 3 family members
10% off with 4 or more family members