ABSTRACT
The report describes the treatment of a 30 year old female patient having unilateral right temporomandibular joint (TMJ) bony ankylosis whose mouth opening was restricted to 5 mm and had additional mandibular retrognathism causing severe mastication problems besides speech difficulties and low morale. The ankylosis had resulted in facial asymmetry due to bony hard swelling in front of right tragus. The patient was taken up for right interpositional arthroplasty with temporalis myofascial flap reconstruction by pre auricular approach and left coronoidectomy by intraoral approach as a preferred technique. A satisfactory mouth opening of 33 mm was achieved in immediate post-operative. Patient was followed up with aggressive mouth opening exercises in postoperative period.
ABSTRACT
Electrical charge is an indicator of the cellular state of health. In cells, the cell membrane is a leaky dielectric. Capacitors are composed of two conducting sheets separated by a thin layer of insulating material known as a dielectric. Cells contain several forms of biological capacitors, which consist of an insulating material (the membrane) covered on both sides by collection of charged dissolved minerals, which serve the function similar to a conducting metal plate. This means that any condition, illness or change in dietary intake that affects the composition of the cell membranes and their associated minerals can affect and alter cellular capacitance. Healthy cells have a higher whole cell and cytoplasm conductivity and higher membrane capacitance than the malignant cells. The electric charge of cell membranes of mammals is negative at physiological pH. It is well-known that surface of cancer and tumor cells carry negative charge in excess to that of normal cells which is responsible for their increased mobility and invasiveness. The high negative surface charge on malignant cells and trophoblasts may mediate the lack of immune rejection of these cells. Thus, neutralizing or removing the tumor cell negative charge may allow negatively charged lymphocytes to approach and destroy them and thereby, the viability and survival of the cancer cells may be affected at least in vitro. The present study serves to - test this hypothesis on invasive human breast carcinoma cell line MDA-MB-231 (ER ) using specially designed and constructed combination of circuits. Preliminary results showed that out of the 8 designed circuits, sets 1, 2 and 7 were able to produce significant growth inhibition of MDA cells in vitro. The application of electrostatic field through specially designed circuits is unique and has never been reported previously. Our long-term goal is to develop a minimally invasive device that will selectively target and destroy both metastatic and non-metastatic cancer cells in humans. Better understanding of effect of decreasing surface charge density of tumor cells may lead to device effective treatment strategy of human tumors in future.
ABSTRACT
Background: The aim of our study is to share our experience with conservative management of odontogenic keratocyst, and also to study the role of carnoy’s solution in prevention of recurrence of small keratocystic odontogenic tumour (KCOT). Methods: 29 consecutive patients with 30 KCOT treated in department of Oral & Maxillofacial Surgery in Teerthanker Mahaveer Dental college, Moradabad, UP. Initial biopsy was carried out in all patients and the OKCs were diagnosed after histological examination by the Oral Pathology Department. Out of 26 KCOT which were treated with enucleation alone, 14 patients were subjected to additional burning of cyst epithelium by carnoy’s solution. 4 large OKC which might undergone pathological fracture were treated by two stage surgery marsupialization followed by enucleation. Results: The majority of the lesions (17 patients, 56.7%) occurred in the mandibular third molar region. Recurrence occurred in 4 patients, in which 3 of them were from enucleation group and one of marsuplization and enucleation group.All the caseswere monitored continuously with panoramic radiographies and clinical evaluations.curettage of the remaining lesion. The average follow-up was 15 months. Conclusion: Use of carnoy’s solution with enucleation has definite advantage over the conventional enucleation. Further large KCOT can be conservatively treated with low morbidity with Marsupilization followed by enucleation successfully. The systematic and long-term post-surgical follow-up is considered to be a key element for successful results.