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How to Know If Your Models are Mounted Correctly in Centric Relation

So one of the first things that is helpful is, of course, we want to check the point of initial contact in the mouth when we do our complete exam. And you might even want to go as far as, when you mark your point of initial contact with articulating paper to take an intraoral photo of it. And then when you have mounted your models, you want to go back to your models and the point of initial contact on the models should match the point of initial contact in the mouth.

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Dental Models Mounted in Centric RelationOccasionally, you will have the point of initial contact on the models be slightly distal to what you found in the mouth because often times you will note in your exam that one of the molars has a little bit of mobility. So the tooth might not mark with the articulating paper when you are doing your exam; but when it is in a solid model, then your point of initial contact may show up slightly distal to where it is in your exam.

If the contact is anterior to the tooth that you noted in the exam, then I would be a little bit concerned that you did not have the joint seated completely when you took your centric relation bite record and want to go back to the mouth and try that again.

Another thing that is helpful is if you have an articulator with the magnetic mounting plates, you can remove the magnet from the upper member of the articulator and hold your mounted models firmly into your bite record so you can see your wax tooth contact, and when you close the articulator without the magnet, it should go right into the grooves on the mounting plate on the upper model without any spaces or gaps. And that helps you know that you have mounted the models correctly with the bite record that you took in the mouth.

So those are a couple of quick tips to help you determine if your mounting is correct or incorrect.

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Dr. Angela Gribble Hedlund completed her undergraduate training at Baylor University in Waco, Texas, where she received her Bachelor of Science Degree. She received her DMD from the Medical College of Georgia School of Dentistry in Augusta Georgia, and has completed an ADA-accredited program in Advanced General Dentistry at Baylor College of Dentistry in Dallas, Texas. Dr. Hedlund practiced with Goldstein, Garber, & Salama for 16 years, and have recently opened a private practice in North Atlanta. She has practiced dentistry in Atlanta since 1994. Dr. Hedlund has also received extensive training in esthetic dentistry. She has received her certificate in the Postgraduate Program in Esthetic Dentistry from Baylor, as well as completing the Comprehensive Esthetic Restorative Continuum at the same institution. During her postgraduate studies at the Medical College of Georgia, she was awarded the Goldstein Esthetic Dentistry Award, presented yearly to a senior student who has shown exceptional interest and talent in the area of esthetic dentistry. She is an active member in the Georgia Academy of Cosmetic Dentistry and the American Academy of Cosmetic Dentistry where she is currently an accreditation candidate. Dr. Hedlund is an active contributor to organized dentistry. This began when she served as the first female president of an MCG dental class, and a representative to the American Student Dental Association executive council. She is currently a member of the American Academy of Cosmetic Dentistry, American Dental Association, Georgia Dental Association, the Hinman Dental Society, and the Academy of General Dentistry, where she has completed over 1,500 hours of continuing education in dental studies. She has received her Fellowship in the Academy of General Dentistry; this is an honor held by fewer than 2% of dentists in the country. In July 2006 she became one of the youngest women ever to receive Mastership in this Academy. Dr. Gribble also is on the dental advisory council for the Christian Medical Dental Assocation. Dr. Gribble has published articles in the Journal of Esthetic Dentistry and the Journal of the American Dental Association. She has served as a contributing editor to the Dental Study Club Journal, which contains reviews from leading clinicians on articles from over seventy-five international dental journals. She also lectures on the subjects of restorative and esthetic dentistry. Dr. Gribble paid for a large portion of her education and received lots of “smile practice” in the Miss America Scholarship programs. She was 2nd runner-up in Miss Augusta in 1991, and 2nd runner-up in Tennessee’s America Junior Miss Pageant in 1985. Dr. Angie Gribble Hedlund enjoys singing, scrapbooking, and is a master scuba diver. She is an active member of the Atlanta Women’s Medical Alliance and Bible Study Fellowship where she serves as the Substitute Teaching Leader for the Norcross Women’s class. She and her husband Richard are members of Roswell United Methodist Church. They volunteer regularly with the children’s program there with their 2 daughters Tori and Lexi.