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At least 73 records · Page 4Linked to original sources
PubMed1976

Reconstruction after mandibulectomy for cancer.

Reconstruction after mandbulectomy for cancer presents a major problem in head and neck surgery. This study reports the experiences with a planned staged method of reconstruction that aims at both cosmetic and functional rehabilitation and that is based on a close cooperation between surgeon and prosthodontist. Stabilization of the remaining mandibular fragments by means of intermaxillary fixation at the time the tumor is resected, delayed bone grafting, and preprosthetic surgery to allow the use of a functional denture are the high points of the method. The results in 58 patients are discussed.

Alveoloplasty↗
PubMed1992

Effects of coaxial CO2/Nd:YAG irradiation on periodontal wound healing.

This study evaluated a coaxial CO2/Nd:YAG laser used during periodontal surgery in mongrel dogs for the purpose of ablating the osseous portions of root surfaces to increase reattachment of soft tissue. Periodontal defects were produced with ligatures of orthodontic wire and elastics. The left mandibular osseous root surfaces were irradiated with a defocused, CW laser beam [power density (PD) = 42.46 W/cm2, energy density (ED) = 424.63 J/cm2]. The left maxillary osseous root surfaces were treated with a beam at twice the energy density [PD = 84.93 W/cm2, ED = 849.3 J/cm2]. The mandibular right quadrant received conventional surgery and the maxillary right quadrant served as the untreated control. Fourteen days after treatment, facial/lingual attached gingivae were scored for soft tissue adherence to bone. Laser irradiation at low ED did not improve soft tissue attachment when compared to conventional treatment. Higher ED irradiation produced significantly less attachment and increased tissue necrosis.

Aluminum Silicates↗
PubMed1999

Transverse changes after surgical closure of complete cleft lip, alveolus and palate.

Surgery for patients with unilateral (UCLP) and bilateral (BCLP) complete cleft lip, alveolus and palate has a considerable influence upon craniofacial growth. With respect to this, the cleft team at Hannover Medical School has attempted to reduce necessary surgical interventions to labioplasty, palatoplasty and veloplasty. Still, the effects of these operations influence maxillary growth to an extent which requires orthodontic treatment in all patients. This study focuses upon the transverse alterations of the alveolar arch and the deciduous dentition after lip and palate surgery. Dental casts prior to any surgical intervention and after labioplasty and complete palaotoplasty of the hard and soft palate were measured for transverse changes by using anatomical landmarks. The results indicate a significant occurrence of anterior relative to posterior arch width loss for both UCLP and BCLP patients. Orthodontic treatment should be planned and performed with respect to these findings in order to support craniofacial growth and prevent maxillary dental arch deficiency.

Alveolar Process↗
PubMed2002

[Positioning of the premaxilla in cases of bilateral cleft lip, alveolus and palate using Latham's appliance].

UNLABELLED: SUBJECT MATTER: In cases of bilateral cleft lip, alveolus and palate, preoperative positioning of the premaxilla using Latham's appliance has been described. This method is controversial, since it may cause growth defects. PATIENTS AND METHODS: From 1992 to 2000, Latham's appliance was inserted preoperatively into 20 patients with bilateral lip, alveolus and palate clefts with extreme premaxillary protrusion. Pin fixation ensued at the age of 3 months. After adjustment of the premaxilla, the soft palate was closed and bilateral lip adhesion as well as bilateral gingivoperiosteoplasty were performed directly after the removal of the appliance. Final lip closure took place 4-6 weeks later. At the age of 2 years, the hard palate was closed. Evaluation was based on combined face-maxilla models, standard photographs and, when available, lateral skull x-rays showing the relative position of the segments, the influence of Latham's appliance on the nasal septum and the relation of the upper jaw to the skull base and mandibula. RESULTS: In all cases, a satisfactory alveolar alignment was achieved; thickening and curvature of the nasal septum occurred but receded. Neither growth disturbances nor dental germ damage were seen. In two cases, complications arose from suture dehiscence of the lip adhesion: in one patient, a screw defect caused a loosening of the appliance and there was also a transmigration of the postpremaxillary pin. CONCLUSIONS: On the basis of our experience, the use of Latham's appliance, combined with consistent orthodontic supervision and, if necessary, treatment, represents a practical option for the treatment of bilateral cleft lip, alveolus and palate, especially in cases with extreme protrusion of the premaxilla.

Alveoloplasty↗
PubMed2001

[Stability of dental implants in microvascular scapula and iliac crest transplants].

STUDY: In this study 24 patients with tumours of the mandible, mandibular resection, neck dissection and reconstruction by microvascular iliac crest (13) or scapula transplants (11) were examined following implantological treatment. RESULTS: In all patients the implantological examination was performed on average two years and five months after implant insertion. This allowed for observation of periotest values, periimplant probing depth and sulcus bleeding (SBI). Furthermore, the loss of periimplant bone was registered radiologically. In both groups periotest values were normal. In the group with scapular transplants the mean periotest value was -3.2 and in the other group -0.8. Pathological probing depth was registered in both groups and sulcus bleeding was similar. The loss of periimplant crestal bone was similar in both groups, too. DISCUSSION: It can thus be concluded that perimimplant conditions were equal in both groups two years after implant loading. The stability of implants in scapula transplants was higher than in iliac crest transplants.

Alveoloplasty↗
PubMed1980

Orthodontic and surgical intervention to arrest tooth loss secondary to subgingival elastic.

Elastic bonds used for orthodontic tooth movement without benefit of attached mechanisms have been shown to migrate apically, causing severe periodontal damage and eventual tooth mobility and tooth loss. The literature indicates high mortality rates for such involved teeth. A case report is presented, illustrating initial successful retention of teeth following surgical removal of a displaced elastic band. Cooperation between oral surgeon, periodontist, and orthodontist, in conjunction with high standards of oral hygiene by the patient, may lead to successful retention of otherwise condemned teeth. It is also suggested that elastic band therapy be carefully supervised when used to move teeth without controlling attachment mechanisms.

Alveoloplasty↗
PubMed1986

Reconstruction of alveolar width for orthodontic tooth movement: a case report.

A problem that has limited orthodontic treatment is lack of buccal-lingual alveolar width into which teeth can be moved. Causes may range from surgical obliteration to physiologic constriction after tooth removal. Lack of buccal-lingual alveolar width does not have to be an orthodontic limitation anymore. A technique used routinely to graft alveolar clefts can remedy this problem. Autogenous cancellous bone is placed subperiosteally on the buccal aspect of the constricted edentulous space. The flap is closed over the bone. The adjacent teeth may be orthodontically moved into the grafted edentulous area in approximately 6 weeks. Long-term follow-up has revealed excellent orthodontic stability, periodontal health, and dental vitality. A case report of one patient with loss of buccal-lingual alveolar space is presented. It is concluded that loss or lack of sufficient buccal-lingual alveolar width no longer must be an orthodontic limiting factor.

Adult↗