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Register a new userA Retrospective Study of Prevalence and Distribution of Congenitally Missing Permanent Teeth in Orthodontic Patients in Damascus
دراسة استعادية لتوزع الغياب الخلقي للأسنان الدائمة و انتشاره عند مرضى تقويم الأسنان في مدينة دمشق
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تحديد توزع انتشار فقد الأسنان الدائمة خلقياً و نسبته و علاقتها بالجنس في عينة من مرضى إحدى عيادات تقويم الأسنان في دمشق.
To record the prevalence and distribution of congenitally missing permanent teeth and their relation to gender in a sample of patients in an orthodontic clinic in Damascus.
References used
Sisman Y, Uysal T, Gelgor I E. Hypodontia .Does the prevalence and distribution pattern differ in orthodontic patients? Eur J Dent.2007;1:167-73
Gabris K , Tarjan I, Csiki P, Korad F, SzadeczkyB, Rozsa N. Prevalence of congenital hypodontia in the permanent dentition and its treatment. Fogorv Sz. 2001;94:137-40
Goren S, Tsoizner R , Dinbar A, Levin L, Breznik N. Prevalence of congenitally missing teeth. Refuat Hapeh Vehashinayim. 2005;22:49-53,87
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This research is a clinical survey of trauma cases that have presented to
Damascus University, Pediatric dental clinic, postgraduate studies. The research
studies have following objectives: A survey was preformed of the trauma cases
that presented
to our clinic, tables of the different classifications of fractures
were prepared, total number of cases presented, distribution according to several
factors, treatments offered to the patients and their success rates.
Cysts are more frequent in jaws comparing to other body bones, although their
treatment is simple and depends on surgical approach as a first choice, still they are important due to
their clinical complication.
The aim of this retrospective study
is to determine the percentage of radicular, dentigerous, odontogenic
keratocysts and non-odontogenic cysts percentage in Damascus, Syria, and comparing these results with
previously recorded records from other countries.
Background& Objective: The purpose of this study is to compare the anterior tooth size width in patients
with congenitally missing maxillary lateral incisors with the normal width size of the Syrian.
Aims of study: 1-To determine the prevalence and 2- the pattern of hypodontia in
the permanent dentition in a sample of Syrian orthodontic patients who sought orthodontic
treatment.
Materials and Methods: The orthodontic records of 623 patients ag
ed 12 to 34, who
sought orthodontic treatment in the Department of Orthodontics, Dental faculty/Damascus
University, during the last three years (2011-2014), were investigated to establish the
prevalence of patients with one or more permanent missing teeth.
Results: 1-The prevalence of hypodontia was 7.10% of the studied sample (7.49% in
females, and 6.35% in males). Males were less affected than females with a ratio of 1:1.18
with no significant differences between genders (P = 0.063).
2-The most common missing tooth was maxillary lateral incisor (56.52%), the least
common missing tooth was maxillary first molar (0.87%). Missing in the maxillary jaw
was significantly more frequent than the mandible (P=0.041( with significantly more
anterior teeth missing than posterior teeth (P=0.009).
Conclusions: The prevalence of hypodontia showed in this study was within the
range published in the literature. The patterns are similar to most reported patterns in the
literature.
The aim of this study was to investigate the role of teeth sizes
and its relationship with the development of buccal ectopia
for maxillary canines،that could contribute to the aetiology of
canines ectopia ,between males and females in the sample o
f
Syrian society.
The study models have been obtained, the mesiodistal width
was measured for all upper and lower teeth except of second
and third molars by using electronic caliper, data collected
then analyzed and got results.
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