Tangaya, Mr. Davendran s/o
(2016)
Radiological screening of impacted wisdom teeth in HUSM.
Masters thesis, Pusat Pengajian Sains Kesihatan.
Abstract
Introduction
Impacted third molars are developmental pathologic medical deformities
characteristic of a modem civilization. Impaction of third molars is seldom found in
medieval populations. It is well established that radiographs are an important diagnostic
input for assessing and treatment planning of the dental patient, whether symptomatic or
asymptomatic. Radiography does in most instances provide more information with regards
to the impacted third molars than clinical examination alone, especially of the very
important relationship between the roots of the mandibular third molar and the mandibular
canal.
Aim
The aim of this research study is to evaluate the four selected types of radiographs;
Skull X-ray, Paranasal Sinuses X-ray, TMJ X-ray and mandible X-ray which is believed
could give the maximum possible coverage of the wisdom teeth presence, if any, its
impaction and its surroundings. From this evaluation then, the association for the presence
of wisdom tooth or impacted wisdom tooth with other parameters governing it (gender,
age, caries, orientations and angulations) is found out. Also the frequency of these
parameters is evaluated to compare the diagnostic present of wisdom teeth in each type of
radiograph. This is done, to give an answer for the question whether the selected
radiological views will provide any valuable information.
Material and methods
A series of 4 different approaches of extra-oral radiographs of different procedures
from HUSM radiology archives involving as many as 50 samples for each type of imaging
involving; P A of skull, TMJ, paranasal sinuses, and mandible radiographs views was
selected. The collective data was then transfers to SPSS versionll.O for statistical analysis.
Results
For the testing of association, there is a very highly significant association between
the age group of patients and the presence of wisdom tooth in the skull imaging. Other
that, it is ·also found that there is a significant association between the gender and presence
of wisdom tooth in the mandible imaging. Expect for both of this association, all other
testing of association gave non significant association or relationship.
Where else for the testing of frequency, there is few notable, high frequencies were
observed. Off this, it is found that most of the impacted tooth in this research study was
those of unerupted impacted wisdom tooth with the mean value of 34.9%. Then, it is also
noted that, the mesioangulation type of impaction is the most observed type of impaction
in this study with a mean value of68.1%. Finally, with 87.3% mean value for the presence
of caries on wisdom tooth, it is understood that there is very low probability of caries
presence on wisdom tooth.
Conclusions
Holistic radiological imaging of the wisdom tooth requires integration of scientific
knowledge based on anatomical-radiological-clinical close linkage and clinical
professionalism based on awareness and competence of the subject thus leading to
unprecedented knowledgeable health sciences teamwork.
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