Biological Width - Dental Implants
The phenomenon of the establishment of a zone of biological width has been with use for many years in dentistry. In its most simplified form, biological width is defined as the distance necessary for a healthy existence of bone and soft tissue from the most apical extent of a dental restoration. In a more complex form, the definition states that there must not be any encroachment of a restorative margin within two millimeters of the bone that surrounds the tooth...
The problem is not the restoration per se, but rather, the bacteria which will always find shelter in the interface between the restorative margin and the tooth structure. The presence of bacteria and their associated toxins within approximately 2mm of the boney margin will cause and inflammatory response in the soft tissue and an eventual apical migration of the entire periodontal complex (gingiva, periodontal ligament and bone).
The purpose of this paper is to discuss the phenomenon of biological width as it pertains to dental implants and to look at any contributing factors in the re-establishment of biological width that may be attributed to dental implants alone.