Endosseous implants

Endosseous methods

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Endosseous implants are based on the use of screws and represents one of the more traditional solutions in dental implantology.
San Babila Day Hospital utilizes this sort of implants as well as post-extraction and trans-mucosa variants for rehabilitation with fixed and semi-fixed prosthesis.
Endosseous implants are suitable to prevent a reduction in jaw crest, restore physiological chewing function, avoid any alteration in face aesthetics, block a removable prosthesis in an old patient and lift up maxillary sinuses.


Prompt substitution of the tooth root with a titanium screw prevents any shrinkage in the jawbone crest following a tooth extraction, as the titanium screw acts as a new root inside the alveolar socket. Simple intervention: the alveolus guides the implant placement, which is the screw selected in accordance with the calibre of the root taken out. One screw takes the place of a tooth with one root, two screws take the place of teeth with more roots. An immediate substitution of the tooth with the implant preserves the jawbone crest dimension, being a big advantage to the shape of the tooth, the aesthetics of the face and quickly restored physiological mastication. Furthermore, it prevents the other teeth from being displaced to the edentulous area which would bring about occlusion alterations with a negative effect on muscular frame, facial bones and mouth articulation. By using this method it is possible to be subject to one anaesthetic and antibiotics treatment during one single session. The psychological impact is reduced to minimum as the tooth is promptly replaced by a new root. Titanium has the power to indissolubly bond itself to the bone, actually there is evidence of osteo-integration within 3-4 months’ time.

To put in place such method the best way, it is relevant that the bone around the tooth is not ruined by apical granuloma or periodontal disease (pyorrhoea); patients are supposed to check their mouths by undergoing X-rays on a yearly basis.


Screws are placed into the mandibular front through the gingival fibro mucosa without cutting it. 3 to 6 screws are required: 3 if it is only to anchor the patient’s loose prosthesis; 4 if it is to make a fixed prosthesis for the front teeth and a loose and hook-supported one for the back teeth; 6 for a totally fixed prosthesis.


When teeth, especially the front ones in the upper arcade are extracted, the bone is subject to coarctation and, as a result, to shrinking towards the internal part of the mouth and becomes altered.
The retraction is more evident upon extracting the canines which are typically solid and deep-rooted as they support the bone with the so-called “canine prominences”. The reduction of these “canine prominences” to their total disappearance, due to the bone shrinkage, causes an irreversible alteration in facial aesthetics.
Provided that there is no infection under way, the method goes ahead with the substitution of teeth with screws in the course of the same session so that the bone cannot be ruined as screws fill the blanks left by the extracted natural roots.


The screws are placed into the alveolus without cutting or opening the gingival fibro mucosa in the course of the extraction session. In some cases, there is no need to perforate the bone, as a screw with the same size as the original root is inserted. If the bone structure is solid, the screw can be used immediately after implantation. Onto the screws, three to four, stand special hooks aimed to fasten the patient’s prosthesis or a new prosthesis.

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