PurposeThis study was performed to evaluate the uniqueness and reliability of the frontal sinuses by comparing various patterns of frontal sinus as observed on Waters' radiographs for individual identification.Materials and MethodsThree Waters' radiographs of 100 individuals, taken on day one, after 6-8 months, and one radiograph with a slight variation in angulation, to mimic conditions out in the field or during autopsy. Three observers were randomly given radiographs from all there packets for comparisons and identification, by the method of superimposition and individual uniqueness.ResultsThe comparative identification by superimposition of the frontal sinus was 100% positive. The size, shape, unilateral or bilateral presence, absence, and septa were observed to be unique in each case; neither had the measurements changed over a period of time.ConclusionThe need to establish a reliable, low-cost, and easily reproducible method for human identification prompted the elaboration of technical, precise, and accessible parameters, such as the evaluation of the area, asymmetry, and shape of the frontal sinus. Comparison among each of the frontal sinuses of the 100 people in the sample revealed that no two sinuses are the same, that is, the sinus is unique to each individual.
Multilocular radiolucencies are produced by multiple, adjacent, frequently coalescing and overlapping pathologic compartments in bone. A number of lesions produce multilocular radiolucencies of the jaws. These are more common in the mandible as compared to the maxilla. To help the practitioner arrive at a working (clinical) diagnosis through the differential diagnosis process a systematic approach is needed. We present a case of acanthomatous ameloblastoma of the mandible and the possible lesions considered in the differential diagnosis to arrive at a clinical diagnosis.
How to cite this article
Gadda RB, Patil N, Salvi R. Multilocular Radiolucency in the Body of Mandible: A Systematic Diagnostic Approach. J Contemp Dent 2012;2(2):39-42.
Aim
To determine the prevalence, radiographic appearance and characteristics of patients with zygomatic air cell defect (ZACD).
Materials and Methods
Routine panoramic radiographs of 400 patients who were visited the dental outpatient of our institute were examined retrospectively.
Results
Out of 400 study subjects, ZACD was found in 11, giving an overall prevalence of 2.75%. Out of 11 ZACD subjects, six were males and five were females. The mean age of subjects with ZACD was 33.9 (±15) years and a range of 18 to 65 years. The bilateral involvement of ZACD was seen in only one subject.
Conclusion
The overall prevalence of ZACD is relatively low in present study population. Knowledge of ZACD may be helpful in interpreting panoramic radiographs, in planning surgical treatment of the temporomandibular joint and in understanding the spread of pathological processes into the joint.
How to cite this article
Gadda R, Patil NA, Salvi R. Zygomatic Air Cell Defect: Prevalence and Characteristics in Dental Outpatient Population. J Contemp Dent 2012;2(3):69-72.
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