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The technique of basal osseointegration draws on the empirical finding that the jaw bone is continuously subjected to deformation and torsion. BOI implants are therefore inserted in such a way that they are somewhat more rigid than the jaw itself in order to avoid total isoelasticity. On the other hand, the rigidity must not reach a point where the implant-bone interface is subjected to peak forces that would give rise to osteolysis or avulsion.

Basal osseointegrated implants are designed such that they afford optimum anchorage or retention for dental restorations even in the severely atrophied maxilla or mandible. Any augmentation measures with the sole objective of stabilizing an implant or implants are therefore unnecessary. The surgical procedure is performed as a one-step procedure and is relatively non-traumatic.

Histological studies offer valuable insights. Since a great many histological studies have been published in the field of crestal implantology, it was an obvious approach to generate corresponding data for BOI implants as well.

Patients can only legally commit to dental implant treatment if they were informed in an adequate and comprehensive manner (Oehler 2003; Ries et al. 2002; von Ziegner 2001; Schinnenburg 2000; Ratajczak 2000; Gaisbauer 1995,1997; Fallschüssel 1985; Könning 1989; Deutsch 1983). This principle is universally valid in the European and North American legal systems and is a logical consequence of every patient’s right to self-determination and personal liberty (Fischer and Lilie 1999). It is incumbent on the implantologist, based on his knowledge of the literature and his own experience, to critically appraise and re-define the precise meaning of «adequate», «comprehensive» and «state of the art» on a continuous basis. Dentists are not generally required to inform their patients of any outdated treatment techniques if newer, simpler, cheaper or less invasive techniques are available. They are required, however, to inform their patients of any new techniques known to yield similar results if they offer tangible benefits for the patient, even though these techniques may not be widely used (German Dental Association 2003). This provision can make it mandatory for users of traditional techniques to inform their patients of BOI, particularly when indications show that the patient does not wish to be treated with bone grafts harvested from the iliac crest or skull.

With every implant procedure, the dental implantologist is faced with the fact that the bone situation is invariably different in different patients. In actual practice, this has led to a situation where, if there is not enough bone volume available in the maxilla or mandible, the bone of the respective jaw will be rebuilt to suit the requirements of a common type of implant in the vast majority of cases.

Recall sessions should follow a standardized plan so that nothing is overlooked. All findings are communicated to the patient. Important findings and those findings requiring the cooperation or some activity on the part of the patients can be documented in writing. The guideline followed could be the Check-up Report (Form A11), a copy of which is included with the patient’s dental records, while the original is handed to the patient.

Experienced housekeepers will know exactly what they have to pay attention to when caring for houseplants. They will consider various factors: the size of the pot, the size and nature of the plant, its location, the quality of the soil, the size of the windows, heating and ventilation, sunlight, the season (incident sunlight angles, amount of sunlight, excessive heat in summer), the last time the plant was repotted, and regular watering and fertilization – to name just a few of them. Some factors will be immediately obvious to anyone – other factors belong to the realm of the housekeeper’s special knowledge.