The third molar is the last tooth to erupt in the oral cavity and it is also the most retained/impacted tooth of the jaws. Even though this tooth can remain asymptomatic causing no problems whatsoever to the patient, a series of disorders can be directly related with its presence. Throughout Dentistry history there have always been some doubts concerning the real need for asymptomatic impacted third molar removal and the best time to do it if indicated. This present article, Part I, has the objective to review the literature on the topic. A future to be published article, Part II, will discuss the still controversial issue and propose a conclusion. There is unanimity among oral and maxillofacial surgeons for impacted third molars removal when involved with pathological conditions. The concept of prophylactic extraction of third molars when the indications are not obvious, surgical extraction recommendation must be based on clinical experience and in adequate professional judgment, always taking into account the relation cost/benefits and if patient´s systemic condition is adequate for totally recover from surgical trauma.
Keywords:Impacted tooth; Retained third molar; Impacted third molar; Third molar removal
We often encounter the problem of reconstruction of devitalized teeth. Their crown is caries destroyed or broken. The possibilities are fiberglass, Logan or cast upgrade. Everything is clear when teeth has one root or two and how do when a tooth has three roots.
It is necessary to clean all tooth decay, and the wall crown bevel and adapt of cast.
Preparation of the root canal for a cast upgrade.
A divergent root is not possible to do it in one piece. Therefore, we start from the channel that is the more divergent. His supra structure adapted to the next print. The factor that gives us guidance, the trajectory of the ingestion of the next. Also we are working with third.
The order item is 1,2,3.
When we practice for probe arrangement is reversed 3,2,1.
If there is free space, which can be adjusted, adding new mass Palavit G, and now is the time to correct all.
Parts that cannot be corrected remain in the tooth, and they are moistened or fatty, and part of that is correct, is dry, apply the additional mass and processing.
If everything is well done, you will be pleasantly surprised by how everything is stable, firmly. Such supra structure, process the turbine, diamond bur, to the desired shape.
Obtained metal castings, try out, and if necessary, rewrite, and then Cement.