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The root canal filling material (3, 4, and 10) does not extend to the end of the tooth roots (5, 6 and 11). The dark circles at the bottom of the tooth roots (7 and 8) indicated infection in the surrounding bone. Recommended treatment is either to redo the root canal therapy or extract the tooth and place dental implants.
Contact should be avoided with the root of the teeth and attempts to cleaning through the use of either soaps, chemicals or toothpaste must not occur. [20] Too much damage occur to the periodontal membrane or fibrolasts, tooth reimplantation may become unviable due to the complications that it presents due to ankylosis and root resorption.
Socket preservation or alveolar ridge preservation is a procedure to reduce bone loss after tooth extraction. [1] [2] After tooth extraction, the jaw bone has a natural tendency to become narrow, and lose its original shape because the bone quickly resorbs, resulting in 30–60% loss in bone volume in the first six months. [3]
Obtain the 3D form of the tooth to be replaced. This is done either through careful tooth extraction and scanning of the root, taking an impression of the tooth socket, or a pre-op CBCT scan. The root analogue implant is produced using modern CAD/CAM technology, based on the principle of differentiated osseointegration;
The tooth of choice to replace a tooth missing in the anterior maxillary region is the maxillary second premolars. Poor prognosis first permanent molars can be replaced with third molars; Autotransplantation has the best outcome in growing patients with some root development complete but incomplete development at the apex.
Alveolar osteitis of a socket after tooth extraction. Note lack of blood clot in socket and exposed alveolar bone. Dry-socket (Alveolar osteitis) is a painful phenomenon that most commonly occurs a few days after the removal of mandibular (lower) wisdom teeth. It typically occurs when the blood clot within the healing tooth extraction site is ...
A root end surgery, also known as apicoectomy (apico-+ -ectomy), apicectomy (apic-+ -ectomy), retrograde root canal treatment (c.f. orthograde root canal treatment) or root-end filling, is an endodontic surgical procedure whereby a tooth's root tip is removed and a root end cavity is prepared and filled with a biocompatible material.
The filling promotes cementum and bone formation, [21] [22] blocks bacteria, and is a barrier for the root canal. Inflammation of the periradicular site due to bacteria could cause recovery to deteriorate and induce periradicular infection. [22] Careful evaluation of root canal filling material is required to optimise healing after the procedure.