CAMLOG LOGFIT Prosthetic System

16 | 17 Logfit ® Prosthetic System for cementable crown and bridge restorations INVESTMENT, CAST AND DEVESTMENT The waxed frame work is embedded according to the instruction manual of the muffle system used. We do not recommend the use of a wax wetting agent. However, if wax wetting agents are used, it must be suitable for use with POM plastic components. When embedding, the correct placement of the wax-up framework in the casting muffle is of importance. Volume ra- tios and pin angles must be selected so that the required temperature for casting is achieved. This is particularly important for voluminous casts. We recommend phosphate bound investment materials. The manufactur- ers processing instructions must be observed and the mixing ratios and pre- heating times accurately observed. We recommend not to use any quick heating processes (speed investment compounds). The cast delay time must be kept as brief as possible. After casting, the cast object must be slowly cooled to room temperature and the object gently devested. We recommend gentle devestment in an ultrasonic bath with waterjet or stripping. After trimming, the cast object is prepared for ceramic veneering. The ce- ramic to be used must be compatible with the alloy (observe heat expan- sion coefficient). The occlusal surface should be designed based on the «Freedom in centric» concept. INSERTION AND CEMENTING OF THE PROSTHETIC RESTORATION Clean and disinfect the prosthetic components prior to insertion. We recom- mend component sterilization (see also the “Preparation Instructions for the CAMLOG ® Implant System”, Art. No. J8000.0032). The peri-implant hard and soft tissue situation must allow gapless insertion of the restora- tion on the Logfit ® abutment. We recommend phosphate and carboxylate cements for the final cementa- tion. Manufacture instructions must be observed. To avoid an air cushion, only a thin layer of cement should be brushed into the restoration. IMPORTANT NOTE Cement residues in the sulcus must be carefully removed.