Biomechanical tooth replacement

The principle of biomechanical bridges is based on non rigid (ISO-static) connections between the pillar teeth. 
Using a TDB torsionattachment prevents the disturbance of the natural mouth movements while chewing or pressing 
This multi functional TDB torsionattachment can withstand the mouth's chewing force tenfold and is therefore even applicable in case of Bruxism (teeth grinding). 
 
The natural movement of the teeth is very important for a healthy organism. 
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Rigid latrogen tooth connections can cause wrong occlusal loads of single teeth or groups of teeth. This can lead to Cranial Mandibular Dysfunction (CMD) 
CMD is the overall term for structural, functional, biochemical and psychic unbalance of the muscle- and dental functions. 
 
Symptomatic: 

 

Rigid latrogen tooth connections can cause wrong occlusal loads of single teeth or groups of teeth. 
A shift of 0,1 mm can cause so much disturbance in the jaw, that it can lead to Bruxism (teeth grinding) 
A further disadvantage of such rigid connections is having to make the pillar teeth exactly parallel.  
To achieve that, a lot of healthy dental tissue is destroyed, that may damage the dental pulp, which can lead to early loss of teeth. 
By using the TDB torsionattachment, 98% of the dental tissue can be spared with the help of TDB retainers. 
The development of the TDB retainer has its roots in years and years of experience with retentions that were used directly in healthy teeth. 
( see oa. Prof.T.Jang, DDS, MS an initial trial of mini-anchor(cbw) resin bonded fixed partial dentures to replace anterior and posterior missing teeth. International journal of prosthodontics.) 
In placing the TDB retainer one should use the Micro-drill, especially designed for this task. 
 
 
TDB retainers are made of either biocompatible surgical metal or zirkonium. They are mainly used in combination with crown inlays and implants. 
 
The 'integrity' of the canine teeth is of utmost importance in dental medicine 
For a proper functional load of the teeth in the lower jaw, placement of the canine teeth and sufficient transversal compensating curve is crucial 
Here especially the TRB retainer with torsion attachment is an excellent solution. 
 
The complete Dental-Biomechanik programme delivers a comprehensive insight of state of the art possibilities, to effectively include severely parodontically damaged teeth in prosthetic dental care. 
In many cases implants may not be the wisest or best solution. 
 
 

Universal/digestive jaw 

An important solitary fault of the craniomandibular system (CMS) 
 
 
Dr. Carl Ferreri (10/11/1928 - 19/05/2007)  
 
Abstract 
 
The universal and digestive jaw was first described by Ferreri as a new fault of the craniomandibular system (CMS). This dysfunction of the CMS is locally usually asymptomatic and caused by improper force vector acting on a thooth, tooth group, or the mandible as a while. As such it is a functional disorder of pressure exerted on the mendible. This fault is signaled to the central nervous system (CNS) via the innumerable afferents of the trigeminal nerve. The CNS attemps to compensate for this CMS fault by eliciting peripheral muscle activity in the entire body with the goal of optimizing the ability of the CMS to fulfil its function despite the fault and maintain a locally sysmptom-free organ. This novel hypothesis has serious consequences for the entire science of dentistry. Accordingly, rigis dental devices such as bridges, fixed crowns, rigid plates, or removable dentures affixed to theeth are usually contraindicated. Rigid connections in the mandible result in peripheral sysmptoms or at the least asymptomatic compensatory muscle activiti. For this reason, rigid connections between implants, ankylosed teeth, or normal teeth are contraindicated. 
Removable protheses should also not be rdigly attached to the remaining teeth; instead, they should respect the normal mobility of the teeth, the elasticity of the mandible, and the free movement of the craniosacral system during natural mouth activity in chewing and pressing. To best implement this principle in orthodontics, many treatment strategies will requiere revision. The autor presented this concept for the first time at the ICAK World Congress held in Freiburg in 2002. 
 
 
 

Use of the torsionattachment guarantees the natural mobility  
of the teeth and solves problems with parallelism 

This: 
- Prevents detachment of inlay-,onlay- and adhesive bridges  
- No need for extensive grinding of divergent abutments 
- Reduces possibility of pulpdamage (the teeth remain vital) 
 
 
By using the torsionattachment one can save 
up to 60% of toothsubstance

- In conventional crown and bridgework 
- In adhesive bridges 
- In the implantology 
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Keeping the existing biological structure 
is top priority in dental medicin 

(according to DAZ and VDZM congress 2007 in Frankfurt) 
 
The Torsion Dental technique makes the big difference in minimal invasive dental replacement.  
 
Contrary to usual crowns without torsion attachment, when using TDB dental retainer bridges hardly any dental matter needs to be sliced. 
 
Using retainers to keep the canine teeth placement is of large significance! 
 
 
 
The development of TD Retainer is based on clinical longtime investigations of other retainers which are placed directly in sound teeth. See a.o. Prof T. Jiang, DDS,MS “An initial trial of mini-anchor (CBW) resin bonded fixed partial dentures to replace anterior and posterior missing teeh” International journal of prosthodontics 2005.  
 
The TD Retainer can endure 1700N which means that they cannot break in the mouth. Special microdrill instruments with disposable gears are being used for placement. This ensures a fit of 0,03mm and prevents leakage.The TD Retainer are made of 100% biocompatible surgical metal , zirconium and are mostly combined with crown-or inlaypreparations. In these cases the torsionattachment is always build in,which prevents the detachment of the construction and the development of secondary caries.