About Wihlm Dental

Our History

Wihlm Dental was established in March 2008 when Dr. Michelle Wihlm purchased the existing practice of Dr. Roger Jacobsen. Dr. Jacobsen had been in practice for over 35 years. Dr. Wihlm discovered her career and her passion for dental care when she assisted for Dr. Jacobsen in the summer of 2000. After completing her undergraduate degree and dental school, Dr. Wihlm became an associate with Dr. Jacobsen in 2007 before purchasing the practice in 2008. 

Wihlm Dental is a practice devoted to providing a lifetime of optimal oral healthcare to our patients. Our goal is always to preserve natural tooth structure and to aid our patients in achieving a healthy and esthetic smile. We educate our patients so they are able to make informed decisions about their treatment. We strive to build positive relationships with our patients based on trust, excellent service and personalized dental care. The care of all our patients is important to us and is provided with a sense of caring, empathy, comfort and kindness.

Our Distinguished Staff

Dr. Michelle Wihlm

Dr. Michelle Wihlm was born in Oshkosh and graduated from Lourdes High School in 1999. She continued her education at Winona State University earning her Bachelor of Science degree in Biology and her Doctor of Dental Surgery (DDS) from Marquette University School of Dentistry in 2007. She immediately joined the dental practice of Dr. Roger Jacobsen and purchased his practice in March 2008, establishing Wihlm Dental.

Dr. Wihlm married her husband Tony in 2004. Tony is employed by EAA in Oshkosh as the Director of Finance. They welcomed their daughters Kayla in 2009, Avianna in 2011 and Brielle in 2019, all through adoption. All three of their daughters were born in Alabama. They also have a dog Kennedy. When Dr. Wihlm is not spending quality time with her family, she also enjoys running and being active, baking and reading. She is really enjoying practicing dentistry in her hometown. She is passionate about giving back to her community and staying connected with the Oshkosh area. Something you may not know about Dr. Wihlm, is back in 2009 Dr. Wihlm and her siblings set a Guinness World Record when they became the “most siblings (16) to complete the same marathon”. As of 2020, they still hold the record!

Professionally, Dr. Wihlm keeps current as an active member of the American Dental Association, Wisconsin Dental Association and Winnebago County Dental Society, serving as President 2014/15. She also makes it a priority to attend continuing education both online and in person whenever possible. She is active in Oshkosh Mid-Morning Kiwanis and volunteers at Lourdes Academy (former Board of Trustee member), where her children attend school. Dr. Wihlm also volunteers on the Tri-County Dental Bus.

Dr. Ruth Marx

Dr. Ruth Marx was born and raised in Oshkosh. She graduated from Oshkosh West High School in 1987. She completed her Pre-Dental studies at the University of Wisconsin-Oshkosh in 1991 and earned her Doctor of Dental Surgery (DDS) in 1995 from Marquette University School of Dentistry. For the first two years out of dental school she practiced dentistry in Wisconsin Rapids, followed by 18 years in Appleton before deciding to practice closer to home in Oshkosh.

Dr. Marx and her husband, John, have been married since 2000. Together they enjoy traveling, biking and fishing, even though they are both allergic to fish! Dr. Marx also enjoys reading, card-making, cooking and baking.

Dr. Marx stays current in dentistry with continuing education on a regular basis. Her favorite part of being a dentist is making teeth feel and look better in a comfortable environment while getting to know her patients. She is also an active member and volunteer of St. Jude the Apostle Parish in Oshkosh.


Front Office Specialist

Nikki has been a team member at Wihlm Dental since 2012, she works in the front office with Cory. Being one of the first persons to greet you when you walk through our doors, Nikki is always willing and ready to help you with whatever you may need. Along with scheduling, Nikki coordinates most of the insurance benefits in our office. She takes pride in being able to help our patients better understand their benefits and get them financially prepared for their dental treatment. Being able to interact and help patients on a daily basis is a rewarding experience for Nikki.

Spending time with family and friends is what Nikki appreciates most. During her free time she also really enjoys scrapbooking and being able to do outdoor activities, especially when it is warm. She and her husband Carly (MathFab Employee) have welcomed three sons since being married in July 2015. Jackson, Nicholas, Philip and her step-daughter Rory, are what makes Nikki’s family life such a blessing. Although her life may be busy at home, Nikki really enjoys both the home and work life opportunities that God has given her.


Front Office Specialist

Cory is one of the first faces you will see when you enter the doors of Wihlm Dental. He joined the Wihlm Dental team in 2019. He really enjoys interacting with patients both on the phone and in person. He strives to make patients feel comfortable and at ease while in our office.

Cory was born and raised in Oshkosh. He graduated from Oshkosh North High School in 1997. He then went on to become a personal trainer getting his education from UW-Oshkosh in Exercise and Fitness Management. Prior to joining Wihlm Dental, Cory was a footwear specialist. His shoe knowledge has come in really handy for the ladies at Wihlm Dental!

Cory and his wife Kristin reside in Oshkosh. He has 3 sons, Brayden, Parker and Peyton. He has an active family and they enjoy working out together. In the summer you can find them spending time in their pool. He also enjoys playing softball.


Dental Hygienist

As a hygienist Cassie enjoys spending time with each patient and educating each patient based on their oral hygiene needs as well as helping them set goals to improve their oral health. She enjoys interacting with patients, watching families grow and creating friendships with members of her dental family. Cassie joined our dental team in early 2010.

From neighboring city Kimberly, Cassie graduated from Fox Valley Technical College in 2009 with her dental hygiene degree. She is also certified to administer local anesthetic for dental procedures. Cassie believes everyone should have access to quality dental care.

Cassie and her husband Matt have two daughters. They also have a Goldendoodle named Max. In her free time, Cassie enjoys camping, boating and spending time with family and friends.


Dental Hygienist

Jodi grew up in Oshkosh, graduating high school in 1992 from Lourdes Academy. She attended UW Oshkosh and graduated from Northcentral Technical College with a degree in Dental Hygiene in 1996. Although she is a newer team member, she comes with 25 years of experience in the Dental Hygiene field.

Jodi enjoys working with patients of all ages to reach their goals of having optimal oral health. She strives to connect with her patients to put them at ease and have a positive experience at each appointment.

Jodi and her husband Greg live in Oshkosh. They have one son, Samuel, who is in college. In her free time, she enjoys reading, gardening, golfing and playing pickleball. She also loves to hang out with family and friends any chance she can get.

Hailey H.

Dental Hygienist

Hailey has worked at Wihlm Dental since 2016. She enjoys educating her patients on their oral health while also spending time with them and creating a comfortable experience. She has grown up in the dental office watching her mom assist and eventually go on to dental hygiene. This influenced Hailey’s decision to become a hygienist and help care for people as well.

Hailey grew up in Oshkosh and graduated from Oshkosh West High School in 2009. She then attended Fox Valley Technical College and graduated with degrees in both dental assisting and dental hygiene. Hailey is also certified in administering local anesthetic and nitrous oxide for dental procedures.

In her free time, Hailey enjoys spending time with her husband Justin and son Easton. She is very social and can often be found hanging out with friends and family. Hailey and Justin have 2 dogs, Ella and Sammy.


Dental Assistant

Erin graduated from the Fox Valley Technical College Dental Assistant program in December 2015. She actually joined the Wihlm Dental team prior to graduation as she finished up her clinical requirements in our office. Being able to interact with patients on a daily basis is what she enjoys most about being a dental assistant.

Erin has a very outgoing personality. She was born and raised here in Oshkosh, but went to high school in Fond du Lac at WLA. There she met her husband Jared, who is an electrician. During her free time, Erin loves spending time with friends and family. Erin and Jared especially enjoy spending time spoiling their Godchildren. They love to hike, kayak and camp. They have a goal of visiting all the Wisconsin State Parks and State Forests.


Dental Assistant

Kelsey joined the team at Wihlm Dental in 2018 as a dental assistant. She is originally from Black Creek, but has also lived in California while her husband was active in the Marine Corps. Kelsey received her BS in Hospitality Management from UW-Stout in 2012, and completed a dental assisting program in San Diego in 2013. Kelsey is very knowledgeable in the dental field and truly loves the patient interaction that comes with assisting. Kelsey recently started teaching in the Dental Assistant program at Fox Valley Technical College along with working at Wihlm Dental.

Kelsey has been married since 2012 to her husband Cory. Together they have three children, Amelia, Cullen and Violet, and a golden retriever named Toby. Between her busy career and her husband’s busy work schedule, she doesn’t find a lot of down time. But when she does, she enjoys staying active and spending time up north with her family. Most of all she enjoys nurturing her three children.


Dental Assistant

Our dental assistant Kim became a member of the Wihlm Dental team in early 2020. Kim is from Waupaca and currently lives in the Neenah area. Kim was drawn to dentistry from a young age as her mom worked in a dental office. Growing up in a dental office, she grew to have a passion for helping others through education. There are a lot of people who don't always know how to best take care of their teeth, mouth, and overall health. Being able to help them through education and then seeing the results is so exciting. Kim is outgoing and friendly and makes sure each patient fully understands the treatment they are going to have.

Kim has been married to her husband Ryan since 2013. She has a son Landon and daughter Harper. Kim is very active in her church and has gone on mission trips to Haiti. It was on a mission trip that Kim discovered her desire to pursue adoption. Her and her husband were drawn to India, which is where her daughter was born. In their free time, Kim and her family enjoy waterskiing, boating, downhill skiing. In fact, Kim competed on a state level with an amateur waterski team for 10 years!