نتایج جستجو برای: mandibular first premolar

تعداد نتایج: 1464090  

Journal: :The Korean Journal of Orthodontics 2012

Journal: :The journal of contemporary dental practice 2007
Kaan Gündüz Mehtap Muğlali Samet Inal

AIM The purpose of this report is to present two cases of totally impacted maxillary deciduous molars, considered a rarity in dental practice. BACKGROUND Primary tooth impaction is quite rare during the development of primary dentition. Various factors contribute to the impaction of a deciduous tooth, including anklyosis, congenitally missing permanent teeth, defects in the periodontal membra...

Hekmatfar, Somayeh, Jafari, Karim, Rezayi, Amir, Samadi, Vahid,

Introduction: This study aimed to investigate the relationship between the prevalence of dental anomalies and hypodontia. Materials and Methods: In this retrospective study, the panoramic radiographs of 101 cases with tooth agenesis (except for the third molar) were studied and compared with [Pn1] those of a non-agenesis control group of 182 subjects. The subjects were within the age range of ...

2014
P Varun Menon Rakesh Koshy Zachariah L K Surej Kumar Sherin A Khalam

Gemination or Schizodontism, a relatively uncommon dental anomaly, is characterized by a tooth with a bifid crown and a common root and root canal. It is commonly seen in primary dentition and gemination in a supernumerary tooth is a rare phenomenon. The purpose of this paper is to present an unusual case wherein gemination has occurred in a lingually placed mandibular supernumerary third premo...

Journal: :Pediatric dentistry 1999
M C Borsatto A T Sant'Anna H Niero U N Soares L C Pardini

This report is a clinical case of a 7-year-old child who presented right impacted second primary mandibular molar. This tooth was positioned inferior to the second premolar successor and a supernumerary tooth superior to the second premolar. Clinical examination did not reveal systemic diseases ot trauma in the facial region. Treatment consisted of the extraction of the impacted second primary ...

2012
Ji-Yeon Yu Won Lee Jae Hyun Park Mohamed Bayome Yong Kim Yoon-Ah Kook

OBJECTIVE This study aimed to evaluate the effect of an intentionally created socket on bone remodeling with orthodontic tooth movement in rabbits. METHODS Eighteen male rabbits weighing 3.8 - 4.25 kg were used. An 8-mm deep and 2-mm wide socket was drilled in the bone 1 mm mesial to the right mandibular first premolar. The left first premolar was extracted to serve as an extraction socket. A...

Journal: :European journal of orthodontics 2007
Julia von Bremen Hans Pancherz Sabine Ruf

The aim of this study was to analyse anchorage loss with reduced, in comparison with total mandibular cast splints during Herbst treatment. Lateral head films of 32 Class II division 1 patients (15 females, 17 males) aged 13.0 years with reduced mandibular cast splints (RMS: second premolar to second premolar) and of 34 Class II division 1 patients (19 females, 15 males) aged 13.9 years with to...

F Jahani Moghaddam P Amini

Introduction: The restoration material commonly used as core material for pulpless posterior teeth is mostly amalgam due to its high strength and low cost and it can be used with or without pin. The aim of this study was to evaluate the influence of post material on stress distribution in mandibular second premolar tooth by finite element analysis. Method: The stress distribution was analyzed i...

ژورنال: Anatomical Sciences Journal 2016
Aminizadeh, Masoumeh, Jahanimoghadam, Fatemeh,

We report the delayed eruption and infraocclusion of a mandibular second primary molar with ectopic location of the permanent successor. This was a rare case where the second premolar was located to the distal side of the impacted mandibular second primary molar. Early intervention is recommended to manage orofacial disfigurement and prevent consequent problems.

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