Cross-sectional study of correlation between mandibular incisor crowding and third molars in young Brazilians

نویسندگان

  • Lilian H. Karasawa
  • Ana C. Rossi
  • Francisco C. Groppo
  • Felippe B. Prado
  • Paulo H F. Caria
چکیده

OBJECTIVES The aim of this study was to evaluate transversally the clinical correlation between lower incisor crowding and mandible third molar. STUDY DESIGN Three hundred healthy volunteers (134 male and 166 female), aged 20.4 (±2.4) years-old were submitted to a complete clinical examination and filled up a questionnaire about gender, age, total teeth number and presence or absence of superior and inferior third molar. After a recent panoramic radiography were evaluated. The multiple logistic regression showed that none of the studied factors influenced the mandibular incisor crowding. RESULTS The proportion of both molars present or both absent was higher than the other conditions (Chi-square, p<.0001). The multiple logistic regression showed that any of the studied factors, influenced (p>.05) the mandibular incisor crowding. Despite the statistical significance, wear orthodontics appliances showed a little correlation (odds ratios < 1.0) in the mandibular incisor crowding. CONCLUSION Presence of maxillary and/or mandibular third molars has no relation with the lower incisor crowding.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Third Molars And Late Mandibular Incisor Crowding - A Review

The role of third molars in causing late mandibular incisor crowd ing is controversial. Various studies have been conducted to eva luate their relationshi p. The purpose of this article is to (a) rev iew the studies regarding the mandibular third molars and late mandibular arch crowd ing (b) fi nd out the cause and effect re lat ionship between them (c) eva luate the just ificat ion of prophyla...

متن کامل

Comparision of anatomiacal position of the root of third mandibular incisor relative to the alveolar canal in the two methods of panoramic radiograpy and CBCT

Background and Aims: In impacted third molar surgery, panoramic radiography is a preliminary technique for assessing the consequences associated with inferior alveolar nerve injury. However, this technique cannot provide enough information to determine the true risk in all cases. The aim of this study was to compare the accuracy of panoramic and CBCT radiographs in evaluating the relationship b...

متن کامل

The effect of extraction of third molars on late lower incisor crowding: a randomized controlled trial.

The problem of late mandibular incisor crowding is a well established phenomenon, the cause of which has been the substance of considerable debate over the years. A central issue is the possible role of the third molars though no definitive conclusions have been consistently drawn. This prospective study was designed to investigate the effects of randomly assigned early extraction of third mola...

متن کامل

Mandibular third molars and postretention crowding.

T he role of mandibular third molars in the relapse of lower anterior crowding following the cessation of retention in orthodontically treated cases has provoked much speculation in the dental literature over the past 115 years. In 1859 Robinson’ wrote : “. . the dens sapicntiae . . is . . frequently the immediate cause of irregularity of the teeth by the pressure exerted towards the anterior p...

متن کامل

بررسی مورفومتریک تحلیل خارجی ریشه دندان مولر دوم مندیبل مجاور با دندان مولر سوم نهفته در تصاویر Cone Beam Computed Tomography در جمعیت تهران بین سال‌های 93-1390

Introduction: Presence of external root resorption in second molars associated with impacted mandibular third molars was not rare. The neglect of this issue may leads to penetration of the pulp and loss of the second molars. The aim of this study was to investigate the incidence and risk factors affecting the external root resorption in second molars associated with mandibular impacted third mo...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره 18  شماره 

صفحات  -

تاریخ انتشار 2013