In branch of prosthodontics there are many challenges to create to an oral environment that can support prosthesis without causing harm to underlying structures. During complete denture construction problems like bony tissue deficiency, tori, lack of adequate bone height, soft tissue deficiency etc. may be encountered.To achieve best outcome we have to overcome these problems. conservation of the oral tissues should be the aim of all operators and surgical reduction of denture bearing area should always be kept to a minimum.this approach can be achieve by Preprosthetic surgery which is a team...

Dynamic navigation refers to the use of a surgical navigation system for implant placement, which can design the location of a virtual implant according to the CT data. In addition, the system allows real-time tracking of the implant drills and the patient throughout the operation based on motion tracking technology. The designed implant location and the size, length, width, and shape of the implant can be changed during the operation when it is needed to be changed according to the actual intraoral condition of the patients.