Johannah Timmermans
Placentia,CA
Summary
I am a dedicated and outgoing professional based in Placentia, California, with a strong work ethic and a passion for helping others. At 22 years old, I bring a unique global perspective shaped by nine years of living in Paarl, South Africa, before relocating to Southern California in 2021.
My experiences both internationally and locally have strengthened my adaptability, cultural awareness, and ability to thrive in diverse environments. I excel in team settings, enjoy learning new skills, and consistently step in to support others when needed.
Known for my positive attitude and strong interpersonal skills, I take pride in contributing to a collaborative, supportive, and productive workplace.
Overview
2
2
years of professional experience
1
1
Certification
Work History
Dental Assistant
Tranquility Dental Arts
Placentia, CA
09.2025 - 03.2026
- Assisted in patient preparation and comfort during dental procedures.
- Sterilized instruments and maintained cleanliness of treatment areas.
- Provided chairside assistance in crown prep, crown delivery, fillings, extractions, implant placement, implant crown delivery, SRPs, prophy etc.
- Educated patients on post-treatment care and oral hygiene practices.
- Collaborated with team members to enhance clinic workflow and patient experience.
- Developed skills in digital scanning using Trios 3 Shape and Medit.
- Familiarity with Open Dental platform.
- Performed preliminary dental impressions and assisted in the fabrication of temporary crowns.
- Designed and 3D printed night guards and dental models using the SprintRay platform.
- Preformed printing and staining AOX prosthesis.
- Operated and assisted with CBCT imaging procedures.
- Assisted doctor during laser treatments, ensuring patient safety and proper setup.
- Prepared and set up equipment for nitrous oxide and sedation procedures.
Dental Assistant
Laguna Hills Prosthodontics
Laguna Hills, CA
11.2023 - 09.2025
- Assisted in patient scheduling.
- Prepared treatment rooms with necessary instruments and materials prior to procedures.
- Ensured proper sterilization for all the instruments.
- Educated patients on oral hygiene practices and post-treatment care instructions.
- Assisted in AOX surgical procedures.
- Gathered records for AOX patients.
- Familiarity with dentrix platform.
- Performed x-rays safely while adhering to radiation safety guidelines, ensuring high-quality diagnostic images for dentists'' evaluations.
- Worked in a fast paced atmosphere
- Ensured proper communication with the doctor And staff regarding patient care.
- Assist in surgical procedures, hygiene and some general dentistry procedures.
- Ensure smooth patient flow throughout the day.
- Help patients feel comfortable, especially those with dental anxiety.
- Create a welcoming and supportive environment.
Education
High School Diploma -
Santiago Canyon College
Orange, CANo Degree - Dental Assisting
Fullerton Dental Assisting School
Fullerton, CA01.2024
Skills
- Dental digital scanning
- Digital X-ray proficiency
- Equipment sterilization
- communication skills
Certification
- Certificate for Infection control
- Certificate for California Dental Practice Act
- Certificate for Radiation Safety
- Certificate for Coronal Polishing
- Certificate for Pit and Fissure Sealants
- CPR certificate
Languages
Afrikaans
Professional Working
Timeline
Dental Assistant
Tranquility Dental Arts
09.2025 - 03.2026
Dental Assistant
Laguna Hills Prosthodontics
11.2023 - 09.2025
High School Diploma -
Santiago Canyon College
No Degree - Dental Assisting
Fullerton Dental Assisting School