[Implantation of lyophilized xenogenous cartilage into bony pocket of parodontitis profunda].
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Several short- and long-term studies were reviewed to determine which factors favored successful treatment of periodontal disease. Most of the surgical techniques reduced pocket depth. The modified Widman flap proved to be most favourable for maintenance and regeneration of supporting periodontal tissue in several studies when combined with optimal plaque control (home care) and frequent professional prophylaxis. Supervised oral hygiene measure are decisive in preventing periodontal disease.
In 6 cases of horizontal impacted second molars seen between 1951 and 1961, the authors were able to remove or ensure removal of the gum overlying the crowns of these teeth, to make a small transverse horizontal hole below the mesial neck, and straighten them in an average period of 5 months with the use of an auxiliary spring on a plate or better on a vestibular arch (figs 5 and 6). The constant success of this method led them to use if for impacted lower wisdom teeth, even when almost horizontal (figs 1, 2, 3, 4) in patients aged between 17 and 20 years, avoiding their removal.
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To correct pathologic conditions and to prevent future problems, all supernumerary, impacted, and malposed teeth should be evaluated with prospects of providing an anatomically acceptable solution. Through logical clinical and radiologic resources, localication of the malpositioned structure is possible. Correction or control of the affected tooth may follow the tenets of deft, delicate, and accurate surgery in consultation with an orthodontist, a cooperative relationship based on mutual respect.