A case is presented which demonstrates the incomplete transposition of a posterior tooth. In this case, the path of eruption of an abnormally angulated developing mandibular second premolar was diverted distally following the extraction of the adjacent first

Background: We investigated the relationship between mandibular Curve of Spee (COS) and a persisting primary second molar (ppM2) due to an agenesis premolar, using digital software technique. Methods: Digital dental casts were obtained from 200 patients at Department Orthodontics in Innsbruck Vienna, Austria. Patients (age-, gender-, malocclusion-matched) equally divided into two groups (n = 10...

The methoxy-substituted bis-1,2,3-dithiazolyl radical 4a thermally decomposes to afford the zwitterionic bis-1,2,3-dithiazolopyridone 5a; EPR spectroscopic analysis indicates a rearrangement of the radical prior to loss of the methyl group.

Several pyridinylthiazolylazetidinones 4a-d, pyridinylthiazolythiazolidinones 5a-d and pyridinylthiazolylformazans 6a-d have been prepared from pyridinylthiazolylarylidines 3a-d. These compounds have been evaluated for insecticidal, anti-fungal and anti-bacterial activities. Compound 2-[2'-(3"-chloro-2"-oxo-4"-ohydroxyphenyl-1"-azetidinyl)-1',3'-thiazol-4'-yl) aminopyridine 4c has been found to...

Objective : The aim of this study was to assess the amount of interdental bone in posterior areas of the mandible for placing orthodontic mini-implants to provide and control anchorage in orthodontic treatment. Materials and Methods : The amount of interdental bone in areas between the second premolars and first molars, first and second molars on the right and left sides of the mandible were de...

Background and aim: The mental-incisive nerve block can be used where lower premolars and anterior teeth require treatment. The aim of this study is to compare tow methods ofmental-incisive nerve block for extraction of the lower premolars and anterior teeth. Methods and materials: This randomized double blind split-mouth clinical trial study was performed on patients requiring extraction of lo...

introduction: determining the skeletal age and remaining growth potential of patients are important factors in orthodontic treatment. evaluating cervical vertebrae development is a reliable method for determining skeletal age. this study aimed to evaluate the correlation between dental calcification and stages of skeletal maturation. materials and methods: this descriptive cross-sectional study...

BACKGROUND/AIM New optical stereometric methods based on both contact and noncontact mechanisms for displacement measurement have become common methods in biomechanical behavior research of biomaterials, bone and soft tissue. The aim of this study was to register and measure possible deformations of the lower jaw (mandible) with the intact dental arch using optical metrology method. METHODS T...

Tooth hypersensitivity is a common clinical complaint after dental treatment. Objective: This study presents case report of the use diode laser for treating tooth in patient with cantilever fixed partial denture abutment. Case Report: A 23-year-old female presented to Faculty Dentistry, Umm Al-Qura University Makkah, chief pain deeply carious maxillary right first premolar. The was extracted, a...