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Call Us: (734) 744-9447
Rachel Stockhausen DDS, MDS
Ross Ryan DDS, Diplomate
Mohamad Al-Maaz DDS, MS


Precision Endodontics

Call Us: (734) 744-9447
Dr. Rachel Stockhausen

      Dr.  Stockhausen has been working in the dental field for 22 years. She began her dental career working as a dental assistant and receptionist while attending Mercy High School in Farmington Hills, Michigan.  After she attended Indiana University and was granted early admission into dental school at the University of Detroit-Mercy in 1998, Dr. Stockhausen then practiced as a general dentist in the Metro Detroit area for 5 years. She furthered her education at the University of Connecticut School of Dental Medicine by specializing in their three-year endodontic program where, during her residency, she was chosen to be the Chief Resident. After completing her specialty training in 2010 she returned to practice in Michigan where she now lives in Northville again with her husband, Ryan Wright and their three children: Jonathan, Christian and Kaia. 

     Dr. Stockhausen was the recipient of the New Dentist Award for Excellence in 2007. She is a member of the American Dental Association, the Michigan Dental Association, the Michigan Association of Endodontics, the American Association of Endodontics, Zeta Tau Alpha and was inducted into the prestigious Pierre Fauchard Academy.  She is the past president of the Detroit District Dental Society and has served in many other roles such as secretary of the Detroit District Dental Society and president of the Western Branch Detroit Dental Society.  She has now taken on more family roles such as being the kids cub scout leader.  
     She has volunteered abroad with DVI (Dental Volunteers for Israel) performing root canal treatments on underprivileged children.  Her research “The Perceived Prognosis of Endodontic Treatment and Implant Therapy among Dental Practitioners” was published in the February, 2011, issue of “Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology.”  She has been voted a "Top Doctor" by her dental peers in Detroit's Hour Magazine 2012 to 2022. 


     In her free time, Dr. Stockhausen enjoys reading and traveling with her family.  She loves skiing and wakeboarding, but most of all she enjoys being a mom! Kaia (4 years), Christian (6 years), and Jonathan (9 years).  This was taken on on our family vacation this summer.

Dr. Ross Ryan. Diplomate

Dr. Ross Ryan was raised in Franklin, Michigan and graduated from Brother Rice High School in 2002. He then attended the University of Michigan where he was the starting punter for the Wolverines in the 2005 and 2006 seasons and received his Bachelor of Science in 2006.  He was recognized as Michigan’s 2005 special team’s player of the year and earned Academic All-Big Ten honors in both 2005 and 2006. Dr. Ryan received his Doctor of Dental Surgery degree from the University of Michigan in 2011. He received further training at the AEGD (advanced education in general dentistry) residency at the Audie L. Murphy VA Hospital in San Antonio, Texas. Dr. Ryan then attended the University of Illinois at Chicago where he completed his specialty training in endodontics in 2014. During his final year of residency at the University of Illinois at Chicago, Dr. Ryan won the dental college’s Clinic and Research Day award for his case presentation on regenerative endodontics. In 2017, Dr. Ryan became board certified, achieving Diplomate status with the American Board of Endodontics.  Dr. Ryan is currently a member of the American Association of Endodontics, American Dental Association, Michigan Association of Endodontists, Michigan Dental Association and the Oakland County Dental Society.  He is on the Board of Directors with the Michigan Association of Endodontists and has been voted a “Top Dentist” by a group of her peers in Hour Magazine every year since starting private practice in 2014.  Outside of the office, Dr. Ryan spends most of his time with his wife Lauren and his three daughters—Avery (5), Vivian (3) and Maren (1).  

Dr. Ryan and his beautiful family!

Dr. Mohamad Al-Maaz

Dr. Mohamad Al-Maaz grew up in Windsor, Ontario Canada. He attended Ajman University in the UAE where he graduated from dental school in 2007. Shortly after, Dr. Al-Maaz specialized in prosthodontics at Kings College in London, UK. Dr. Al-Maaz practiced in Saudi Arabia as a specialist prosthodontist for 6 years. He then decided to pursue a second specialty in endodontics in the United States. He graduated with a MS in Endodontics from the University of Michigan-Ann Arbor in 2020. Dr. Al-Maaz is currently practicing in Windsor and Michigan as a specialist endodontist. He also works as an adjunct professor at the University of Detroit Mercy in the graduate endodontic department. Apart from root canals, Dr. Al-Maaz enjoys playing soccer with his twin boys. Dr. Al-Maaz and his wife just welcomed the addition of their third boy into their family. He enjoys going to the gym, travelling and spending time with family

Dr. Al-Maaz and his beautiful family!

Andrea - Practice Manager

I have been in the endodontic field for over 26 years.  Growing up I was in the ROTC Navy and did some modeling.  I'm a vegetarian and have many hobbies such as gardening, flower show judging and going to the firing range.  My yard is a certified national wildlife habitat.  I volunteeer with Nights to Shine.  I am an active member of the Livonia Garden Club and on the committee for community flowers.  I'm also a member of Friends of Greenmead.   I would like to work on becoming a master gardnener and becoming a herbalist.  I have been married for over 16 years to Dan and have four cats - Lily, Shylee, Tommy and Freya.  

Karen - Insurance Coordinator

 I have been working in the dental field for over 30 years, the past 6 years here at Precision Endodontics as the Insurance Coordinator.  In my free time I enjoy reading, cooking and traveling with my husband.   


Kim, Patient Coordinator



     Kim joined Precision Endodontics in February of 2020. Since then, she has prefected patient care and advocating for the patients' endodontic needs. Her daughters, Caroline (brand new baby!), Alaina(8) and Elise (15), are the lights of her life. Her "mini-me" Alaina is now in 2nd grade. They all enjoy camping with Kim's husband Mark and their two labordoodles, Hank and Dolly, on the weekends.  











Caitlin - Patient Coordinator

I have been in the medical field for 17 years  - 16 in Ophtalmology and almost a year in Dental.   My skills and strengths are math, easing patients minds, my sense of humor, and that I am epathetic and a quick learner.  I have two boys - Jacob who plays baseball and track and Benjamin who plays baseball and soccer.   I love spending time with my family,  - my husband Matt and our beagle Milo.  We live in Dearborn Heights and my hobbies are attending concerts, going up north, hanging out by the pool and watching my kids pay sports. 

Jeanna- Patient Coordinator

I have been in the dental field for over 10 years working with Smile America which is the mobile dentists that treat children all over the world.  I changed fields to Opthalmology working with patients with their vision and then returned to the dental field to learn about Endodontics.  I have been married for over 23 years to my husband Chuck and we have two children, now adults, Drew and Breanna.  My hobbies include crafting and camping.  I love making little gnomes and have a little business called the Gnome Shack. I am with Finders Keepers Vintage Market that travels all over Michgan and Ohio which keeps me very busy!

MJ- Dental Equipment Repair Assistant

I am a certified dental assistant with over 15 years of experience.   I received my training from Everest Institute. I live in Canada with my husband, my daughter (Izabela), my bonus son (Jason) and my fur baby (Rocky).  In my free time I enjoy camping with my family.  

Kristina - OSHA Dental Assistant

I have been a dental assistant for over 26 years.  I originally worked in general and pediatric dentistry.  I live in Taylor, MI with my husband, my daughter (Bri) and my three pets.  In my free time I enjoy camping and taking my daughter to competive cheer and dance.  I began dance in high school and my love for the sport has grown ever since.  

Briann - Dental Assistant

I have been a dental assistant for over 5 years.  I originally assisted in general dentistry before deciding to come over to endodontics.  In my free time, I take my dog Smokey to doggy training.  I love to travel and spend time with my boyfriend.  

Mercedes - Dental Assistant

I have been a dental assistant for over 4 years.  I originally assisted in the field of oral surgery before coming over to endodontics. I live in Detroit with my teenage daughter (Denver).  In my free time, I enjoy traveling, spending money and spending time with my friends.  I love to eat mexican food, and my favorite color is black. 

Eve- Sterilization Technician

I am currently a high school student at the International Academy.  I am working at Precision Endodontics in the summer in order to gain experience as I plan on going into dentistry in the future.  In my free time I enjoy wakeboarding on the lake and playing volleyball at Lakeland High School.  

Angel - Dental Assistant