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Biomedical subjects

N Erverdi

Publications and source records attributed to N Erverdi.

24 records · Page 2Linked to original sources

Cephalometric evaluation of crib therapy for cases of mixed dentition (open bite).

The effect of crib therapy for the treatment of cases of open bite was investigated. Extrusion of the lower and upper incisors and intrusion of the lower first molars were the most significant effects of the appliance. Intrusion of the lower molars resulted in decreased lower facial height. These findings were considered to result from the posterior tongue posture. Thus, the clockwise pattern of the mandibular complex was changed to a counter-clockwise pattern.

Cephalometry↗

A cephalometric study of changes in point A under the influence of upper incisor inclinations.

Today the ANB angle is commonly used for defining the anteroposterior apical base relationships of the jaws. The factors that influence the ANB angle have been studied by various investigators. The axial inclination of the maxillary central teeth is one of the factors influencing the location of point A. In this study the relationship between the axial inclination of the upper central incisor and the location of point A was studied. Four criteria that define the location of the maxillary central teeth were used: I (incisal point), Ap (apical point), R (rotation point), and I-SN (angle between I and SN plane). A significant positive correlation was found between the location of points A and R. We also calculated a regression equation for this relationship.

Adolescent↗

[Frankel III appliance and clinical treatment].

The main factor of the success in treating the functional Cl III case is to treat the patient in an early stage. For this purpose, today the chin-cap, combined with bite plate and FR III appliances are used. In this article we tried to introduce the FR III appliance and also wanted to demonstrate two cases whom were treated by us.

Activator Appliances↗

[Herbst appliance and clinical treatment].

Functional appliances are very efficient devices in correcting the orthopedic malocclusions. In order to use such an appliance, active growth spurt is recommended. Herbst appliance is a device that doesn't need patient's cooperation. In this article we tried to explain the Herbst appliance and wanted to show 3 cases were treated by us.

Activator Appliances↗

The effectiveness of low molecular weight heparin on adhesion formation in experimental rat model.

In our experimental animal model, 50 Winstar-Albino rats were divided into five groups in a randomized manner. After all were anesthesized with ether, laparotomy was performed on each one and the caecum and terminal ileum were scrubbed with a toothbrush until serosal petechial bleedings were seen. In the first group, the abdomen was closed after this procedure. In the second group, the abdomen was closed after application of 0.9% NaCl solution intraperitoneally. In the third group, the abdomen was closed after LMWH (low molecular weight heparin) was given intraperitoneally. In the fourth group, LMWH was given in prophylactic dosage subcutaneously on the day of operation and for the following seven days. In the fifth group, abdomen was closed after heparin was given intraperitoneally. On the fourteenth postoperative day, the rats were sacrificed and intraperitoneal adhesions were scored according to the "Mazuji's Scale". There was a statistically significant difference between group I and group III. No statistically significant difference could be found between group I and group IV (p > 0.05). Between group I and V a statistically significant difference was found (p < 0.005). Again a statistically significant difference was found both between group III and IV (p < 0.05), and between group IV and V (p < 0.001). No such difference was observed between group IV and V (p < 0.05). As a result, in this animal model, LMWH given intraperitoneally to prevent adhesions was found to be more effective than subcutaneous and intraperitoneal heparin application.

Abdomen↗