Brrtrsh J,x,mol of Oral and Muri//ofa~iul Surgery , 1996) 34, 537 -538 0 1996 The British Association of Oral and Maxdlofacial Surgeons
Abstracts from Deutsche Zeitschrifi fir Mund-Kiefer-und ( Volume 20 Number 5 1996)
Developmental anomalies of permanent teeth after jaw fractures involving the tooth germs and of permanent maxillary teeth after mandibular fractures in patients aged up to 15 years. A. Pohl, D. Schumann. (Dtsch Z Mund Kiefer GesichtsChir 1996; 20: 5).
surgical correction of eyebrow ptosis. The configuration and neoposition of the eyebrows is dependent on specific and measurable facial features. This approach must be planned and performed properly. It also involves defining the make-up zones individually to suit the facial type, thus additionally supporting the cosmetic outcome after forehead facelifts. An example will be used to explain how the eyebrow line can be individualized to suit the type of face. Schematic drawings of different facial shapes will also be used to illustrate the importance of eyebrow configuration and neopositioning during endoscopic and open forehead facelifts. Correspondence: Priv. Doz. Dr. Dr. J. F. Hiinig, Abteilung fur Mund-Kiefer-Gesichtschirurgie der Universitat Giittingen, RobertKoch-Str. 40, D-37075 Giittingen.
Between 1962 and 1990 it was possible to reevaluate 148 patients with fracture lines through unerupted teeth. The bone fractures are treated conservatively with circumferential wiring and interdental fixation. Eighty-eight patients had anomalies in tooth development or tooth loss in the posttrauma period. Differences between maxilla and mandible were seen in the prognosis and types of dental damage caused by jaw fractures involving tooth germs. Correspondence: Dr. Dr. Andreas Pohl, Klinik fur Mund-, Kieferund Gesichtschirurgie/Plastische Operationen der FriedrichSchiller-Universitat, Bachstrage 18, D-07740 Jena.
Classification E. Neuenhtiuser, 1996; 20: 5).
Transverse tomography of the jaws using the Orthophos panoramic X-ray system-a presentation of new programs. G. Kueppler, D. Axmann-Krcmar, N. Schwenzrr. (Dtsch Z Mund Kiefer GesichtsChir 1996; 20: 5).
Accentuation be achieved
and harmony by neopositioning
and grading R. Schmauz.
of oral papillomas. (Dtsch Z Mund Kiefer
U. Pefers, GesichtsChir
Eighty-seven oral papillomas, 96 leukoplakias, 6 in situ carcinomas and 235 carcinomas examined at the Institute for Pathology of the University of Ltibeck between 1970 and 1985 were evaluated to find out whether oral papillomas may be considered to be a preneoplastic lesion. A comparison of the age and sex distribution, as well as the localization of the papillomas and carcinomas, yielded no indication that papillomas associated with mild or no dysplasia may turn malignant. In contrast to this, papillomas associated with a high degree of dysplasia show a somewhat younger age distribution and similar localization when compared to carcinomas. This supports their truly precancerous nature. An identical or slightly higher age distribution than that of carcinomas and their localization in the jaw, otherwise not observed with papillomas. demonstrates that proliferating papillomas are a separate group. The histological classification of papillomas without dysplasia or proliferation presented here allows a correlation with their localization. It differentiates between keratinized and non-keratinized common forms as well as acanthotic ones. Keratinized common papillomas including filiform variants are predominantly seen on the back and tip of the tongue, non-keratinized bright-cellular papillomas on the soft palate. Correspondence: Dr. med. Uwe Peters, Leiter des Gesundheitsamtes des Landkreises Oldenburg Delmenhorster StraRe 6. D-27793 Wildeshausen.
Transversal tomograms based on the tomography of the panoramic X-ray unit Orthophos Plus (Siemens) were assessed and first experiences presented. Orthophos Plus offers 7 programs for transverse tomograms for all regions in the maxilla and mandible and implies an additional diagnostic aid for the maxillofacial practitioner. Apart from common possibilities of using cross-sectional tomograms, for a instance in dental surgery of retained teeth and cysts, clinical use is possible for situations in dental implantology. The magnification of metal pins attached to acrylic splints on the patients dentition (or on the dentition of a human skull) during exposition was examined, as we use transparent implant templates with the same magnification for the interpretation of the crosssectional tomograms. The axis of the metal pin was initially the expected axis of the implant and had a well known length which was measured with a magnifying glass on the tomograms. Crosssectional tomograms of 138 vertical pins and tomograms of 109 horizontal pins were taken and compared to the indicated magnification factors. A descriptive analysis was performed. The average deviation (mean) was within the range of -0.34% (vertical) and - 1.46% (horizontal). The examination demonstrated the great reliability of the measured data. Compared to the former P16 program the tomographic angle has been widened. the layer thickness of the tomographic cuts is smaller. The result is an improvement of the image quality. The radiographs are reproducible because of the holder for positioning the patient. The form of blurring based on the panoramic technique, the narrow angle tomography and the determined projection for transverse tomograms may be restrictive for detailed imaging. Especially in the presurgical implant planning phase, the choice of projections should be extended. Advantages are the low number of seven new programs and the possibility to use the equipment of an existing Orthophos Plus X-ray unit with the new programs, in contrast to acquisition of a new Scanord. Dr. Gabriele Kaeppler, Poliklinik fur Correspondence: Zahnarztliche Chirurgie und Parodontologie, Rontgenabteilung. Zentrum fur Zahn-, Mundund Kieferheilkunde der Universitat Ttibingen, Osianderstr. 2-8. D-72076 Ttibingen. The question of eyebrow positioning or individualized? J. F. H6nig. (Dtsch 1996; 20: 5).
Gesichts-Chirurgie
” y
Aspergillosis of the lung and alveolar A. Filippi, T. Dreyer, R. M. Bohle, (Dtsch Z Mund Kiefer GesichtsChir
bone in acute myeloid leukemia. Y Pohl, H. Biirger. S. Rosseau. 1996: 20: 5).
Compared to non-invasive aspergilloma, invasive aspergillosis in the region of the mouth, jaw and face has rarely been reported. It occurs particularly often in the presence of haematological oncological illness. The case of a patient suffering from acute myeloid leukemia who contracted invasive aspergillosis of the lungs and the alveolar processes in the course of chemotherapeutic treatment is described. All the alveolar processes in the region of the lateral teeth were demarcated and had to be removed by sequestrectomy. The therapy of invasive aspergillosis should be carried out within the framework of intensive interdisciplinary treatment. In addition to systemic and local antimycotic therapy, the debridement of necrotic hard and soft tissue is necessary. Correspondence: Dr. A. Filippi, Medizinisches Zentrum fur Zahn-, Mundund Kieferheilkunde, Abteilung Oralchirurgie und Zahnarztliche Poliklinik, Schlangenzahl 14, D-35392 GieBen.
in forehead facelift-standard Z Mund Kiefer GesichtsChir
of the patient’s facial expression can and shaping of the eyebrows during 537