The detail measurement (facebow)
For the initiation of the correct treatment of a temporomandibular joint disease, as well as for the production of more extensive dentures, a good functional diagnosis is irreplaceable. It can be measured with just a few steps and a special measurement method, the position of the upper jaw to the rotation axis, the position of the jaw in the skull and thus the movement of the temporomandibular joints and position of the teeth to each other.
By means of this Detailaufmaßes (face bow), the dental technician for the production of dental prosthesis, or a therapy device, this individual information can be passed.
The technician is thus able to exactly reproduce the patient-related relation of the jaw conditions. This makes it possible to create functional devices with high precision and to rapidly reduce clinical pictures. Dentures pose no long-term risks in the production, since the accuracy of fit is increased.
The results of functional diagnostics create optimal conditions to achieve the desired treatment goal. The costs of the functional analysis are not regulated in the fee schedule of the statutory health insurance funds and must therefore be freely agreed with the practice. Depending on the scope of treatment, a detailed cost plan is drawn up and can be submitted to private funds or dental supplements for reimbursement.
Documents on this topic
Link to PDF Download: FB Patient Facebow
The support pin registration
Another diagnostic tool for the individual design of dentures and measurement of the jaw-related position of the lower jaw, is the Stützstiftregistrat.
The position of the lower jaw to the upper jaw is determined by two conditions. At the moment of biting together, the position of both jaws to each other and thus the position of the jaw joint head is fixed. Anyone can check this with themselves and clench with light pressure. The position of the lower jaw is stable. In a slightly open position, the lower jaw hangs only after muscle, tendon and ligamentous apparatus, the teeth have no contact with each other. In this position, the lower jaw can be moved freely into all positions again with a little pressure.
If you put a little manual pressure on the chin with your mouth slightly open, you reach the back of the jaw. In this position, the lower jaw is now held by the two Kiefergelenksköpfchen in the socket. This entire system is coordinated, very sensitive and balanced and may well be in an imbalance. Through changes in the area of the temporomandibular joints or the rows of teeth, the system can get out of balance and it could lead to poor posture, relief movements, pain.
By the Stützstiftregistrat one has the possibility to determine the position of the lower jaw independently of the coding over the rows of teeth and to restore the rest position. This is usually possible by a splint therapy or corrections, or new production of the dentures.
In general, in the preparation of a comprehensive dentures, also offers the registration to determine the jaw-related situation of the lower jaw and then construct the dentures so that the entire system comes back into balance.
For very long full dentures that have not undergone a regular fit, it is also highly recommended to perform a comprehensive functional analysis. It is to be expected with greater accuracy of fit, faster acclimation and in the long term with fewer problems of the temporomandibular joints.
Documents on this topic
Link to PDF Download: FB Patient Splint Therapy
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