[Comparison of clinical and histopathological diagnosis in oral surgery]. / Usporedba klinicke i patohistoloske dijagnoze u oralnoj kirurgiji.

Only a successful cooperation of an oral surgeon and the pathologist can ensure a reliable diagnosis. The authors have analyzed operations performed during 1990 at outpatient clinic of the Department of Oral and Maxillofacial Surgery, University of Zagreb, School of Dentistry. Clinical appearance of the disease and clinical diagnosis sometimes enable us to recognize the real nature of the disease. The clinical diagnosis in correlation with the histological diagnosis can be either denied or improved. The aim of this investigation was to correlate the clinical and the histological diagnosis and to find out the number of improvement. Material most often sent for histological examination was an operated cyst. Although the removed tissues were analyzed under different clinical diagnoses, approximately 70% of the clinical diagnoses corresponded to the histopathological findings. In one case the clinical diagnosis of benign lesion--hyperkeratosis-- was after histopathological examination find as carcinoma planocellulare. The authors recommend every part of the excised tissue to be sent for a histopathological examination.

[Radiographic analysis of condyle position in patients with TMJ dysfunctions]. / Radiografska analiza polozaja kondila u pacijenata s disfunkcijskim smetnjama stomatognatog sustava.

Decreased joint space is one of the basical radiographic signs of joint disease and correlation with crepitus the real clinical symptom of structural joint damage. The aim of this investigation is to find out if there is any correlation between the intrajoint condyle position and joint dysfunction symptomatology, by means of TMJ tomography evaluation. Among the patients with characteristic symptoms of TMJ dysfunction examined in our Departments, a group of hundred were tomographed (Polytom--Philips-Massiot). Thirty students not showing any anamnestic or clinical symptoms formed the control group. In the evaluation of radiographic findings we accepted the static relation between condyle and glenoid fossa in the maximal intercuspal position, where the joint space was divided in three almost equal parts. The radiographic findings of the relationship between condyle and glenoid fossa in the maximal intercuspal position are presented on with the intention of establishing the most characteristic differences between the groups. The statistical elaboration has been carried out by multivariante analysis of variance. The characteristic radiographic findings in our group of patient are: --excentric condyle position, --posterior condyle displacement and --marked asymmetry. Therefore, these findings represent efficient aid in TMJ dysfunction diagnosis, and show direction for repositioning of condyle in therapy dysfunction.

[Retention of resection prostheses using endosteal implants]. / Pokusaj retencije resekcionih proteza enosalnim implantatima.

Nine endosteal implants of Linkow, Sandhaus and Vitradent type and one transdental implant have been used in six patients for the retention of resection prostheses. The intention was to find out the efficiency of endosteal implants in prosthetic rehabilitation of patients with oncologic defects of jaws. Most implants were removed because of loosing and mucosa inflammation after the period of 46 to 139 days. The earliest extraction was performed in one case after eight days and the latest in the another case after two years. The results showed that there are no medical indications for endosteal implantation of such implants in resection prostheses retention.

An alternative method of fixation of alveolar ridge mucosa during the vestibuloplasty procedure.

The authors present a new design of splintage for fixation of the alveolar ridge mucosa following various vestibuloplasty procedures. From 1981-1987 50 acrylic buccal splints and 76 palatal splints were used, fixed by AO screws, in vestibuloplasty procedures. By using screws a controlled pressure equally distributed over the mucosa was achieved. The results demonstrate that screw fixation of the splints can avoid some of the common problems found especially with suture or nails. The acrylic buccal splint fixed by AO screws on to the alveolar bone is more convenient for the patient and produces a better operative result. The authors recommend it as the method of choice for submucosal and some modified submucosal vestibuloplasties.