introduction: objective: this study aimed to assess the possible variations in root canal anatomy and topography of the apices of first and second maxillary molars. materials and methods: a total of 67 first and second maxillary permanent molars were collected. access cavity was prepared and 2% methylene blue was injected. the teeth were demineralized by 5% nitric acid and cleared with methyl s...

OBJECTIVE This study aimed to evaluate the stability of molar relationship after non-extraction treatment of Class II malocclusion. METHODS The sample comprised 39 subjects (16 females, 23 males) with initial Class II malocclusion treated with no extractions, using fixed appliances. Mean age at the beginning of treatment was 12.94 years, at the end of treatment was 15.14 years and at post-ret...

Úvod a cíl: V posledních letech přibývá v ordinacích zubních lékařů pacientů s vývojovým postižením skloviny u molárů řezáků. Jedná se o onemocnění systémového původu postihující jeden až čtyři první stálé moláry, které je často spojené poškozením stálých Toto nemá zcela objasněnou etiologii. literatuře jsou zmíněny vlivy vnějšího prostředí, ...

background and aims. the study was undertaken to assess the prevalence of taurodontism and related systemic conditions and gender differences in premolars and molars of patients attending shiraz faculty of dentistry. materials and methods. in this cross-sectional study, panoramic radiographs of 510 randomly selected patients were evaluated by a maxillofacial radiologist for the apically displac...

surgical removal of impacted third molars is amongst the most common surgical procedures performed by oral and maxillofacial surgeons. every year many articles are published in different journals regarding different aspects in such surgeries. it is necessary to translate such vast amounts of data into simple and easily comprehensible sentences for the students of dentistry and oral surgery. thi...