نتایج جستجو برای: second premolar

تعداد نتایج: 622401  

2011
Vivek Rana Shabina Shafi Natasha Gambhir Usha Rehani

An accurate diagnosis of the morphology of the root canal system is a prerequisite for successful root canal treatment.1 Frequently, root canals are left untreated because the clinicians fail to identify their presence, particularly in teeth that have an anatomical variations or additional root canals.2 Supernumerary root is a developmental condition and may involve any tooth. The incidence of ...

Journal: :Journal of endodontics 2007
Giorgos N Tzanetakis Theodoros A Lagoudakos Evangelos G Kontakiotis

This clinical article presents and describes the endodontic treatment of a mandibular second premolar exhibiting a total of four separate root canals. This incidence in mandibular second premolars is particularly rare in the international endodontic literature. Only some infrequent cases of mandibular second premolars with four canals have been presented; however, this was done without the use ...

Journal: :The Bulletin of Tokyo Dental College 2012
Hideshi Sekine Haruyo Miyazaki Takuya Takanashi Katsunori Furuya Fumiyori Matsuzaki Tatsuo Taguchi Hidenori Katada

A 57-year-old man presented with mesial inclination of the lower right first molar caused by untreated loss of the second premolar. The occlusal relationship was restored by dental implant treatment following improvement of the intraoral environment by orthodontic therapy. At his initial visit, the interdental spacing in the molar-premolar region was inadequate, as the first molar had mesially ...

2015
Ye-Kyu Rhee Yoon-Hyuk Huh Lee-Ra Cho Chan-Jin Park

PURPOSE The aim of this study is to evaluate the appropriate impression technique by analyzing the superimposition of 3D digital model for evaluating accuracy of conventional impression technique and digital impression. MATERIALS AND METHODS Twenty-four patients who had no periodontitis or temporomandibular joint disease were selected for analysis. As a reference model, digital impressions wi...

Journal: :Journal of clinical orthodontics : JCO 2015
Min-Ho Jung

An 11-year-old male presented with the chief complaint of anterior crowding. He displayed minor lip incompetency and reported an open-mouth posture while sleeping. Excessive overjet (4mm), mild Class II molar and canine relationships, and a slight facial asymmetry were also observed (Fig. 1). The diagnosis was a Class II, division 1 malocclusion with moderate crowding. Considering the patient’s...

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