Keti YOVCHEVA
DDS, PhD, Postgraduate Student
Department of Orthodontics
Faculty of Dental Medicine
Medical University - Plovdiv, Bulgaria
CV
Dr Keti Yovcheva, DDS is a PhD and postgraduate student at the Department of Orthodontics, Faculty of
Dental Medicine, in Medical University - Plovdiv, Bulgaria. Since 2010 she has been working as an assistant
doctor at a private orthodontic practice. One of her main research interest is preventive and interceptive
orthodontics.
Prevalence of malocclusions in a sample of 4-5-year-old Bulgarian children
Questions
Which is the most prevalent type of primary dentition found in this study?
q a. Type 1;
q b. Type 2;
q c. Type 3;
q d. none of them.
What is the total prevalence of malocclusions found in this study?
q
q
q
q
a. 54.4%;
b. 64.4%;
c. 74.4%;
d. 82.5%.
What is the prevalence of anterior open bite found in this study?
q
q
q
q
a. 5.8%;
b. 6.0%;
c. 6.4%;
d. 6.8%.
What is the prevalence of unilateral posterior cross bite found in this study?
q
q
q
q
a. 4.5%;
b. 4.2%;
c. 3.2%;
d. 3.0%.
Stomatology Edu Journal
73