نتایج جستجو برای: mandibular second premolar

تعداد نتایج: 643415  

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: :Pediatric dentistry 1999
W K Seow A Wan L H McAllan

PURPOSE Although intracoronal radiolucencies in radiographs of unerupted teeth have been reported for several decades, the prevalence of this condition remains unknown. This study determined the prevalence and associated dental conditions of permanent teeth showing pre-eruptive dentin radiolucencies in bite-wing radiographs of school children attending two school dental therapy training centers...

Journal: :European journal of paediatric dentistry : official journal of European Academy of Paediatric Dentistry 2011
Y Fujita Y Sorada K Maki

BACKGROUND Few dentists have seen an impacted mandibular canine and first premolar, and there is little information in the literature on the treatment of this rare condition. CASE REPORT A 13-year-old Japanese male with an impacted mandibular right canine and first premolar was treated orthodontically. We discuss both the surgical and orthodontic options and present the successful orthodontic...

2014
Bonny Paul Kavita Dube

Complex root canal system with atypical variations is a common finding among mandibular premolars. Endodontic treatment in these teeth may not be successful due to the failure to recognise and treat multiple canals. This paper presents endodontic treatment of a mandibular second premolar with three roots and three canals.

Journal: :THE JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY 2022

Distal displacement of the tooth germ mandibular second premolar (MnP2) leads to its impaction and obturation eruption path first molar delaying eruption. The present case report describes treatment 2 cases guidance for distally displaced developing MnP2 that caused delayed molar. Intentional extraction primary predecessor results in mesial shift MnP2. However, unfavorable distal ectopic after ...

2016
Munish Reddy

Introduction: Bolton ratio is considered as seventh key of normal occlusion. Many orthodontic patients have to undergo premolar extractions as a part of treatment. Aims and objectives: The present study was taken up to investigate the effect of premolar extractions on Bolton’s overall ratios in a sample of north Indian population. Materials and methods: Mesiodistal tooth widths were measured on...

Journal: :Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons 2008
Jonas P Becktor Hadar Hallström Sten Isaksson Lars Sennerby

PURPOSE This prospective study followed 61 patients who were partially dentulous and considered to have insufficient bone volume for routine implant treatment and consequently underwent sinus inlay bone grafting. PATIENTS AND METHODS The patients were treated with maxillary sinus floor augmentation with particulated autogenous bone from the mandibular ramus/corpus. After a healing period, den...

2014
Suchita Madhukar Tarvade

IJMDS ● www.ijmds.org ● January 2015; 4(1) 560 Original Article Influence of first premolar extraction on second and third molar angulation A clinical study Tarvade SMT, Biday S ABSTRACT Background: In modern populations, the impaction rate is higher for third molars than for any other tooth. Due to the speculation of third molar role on late incisor crowding, many orthodontists prescribe remov...

2017
Jee Seon Baik Jin Woo Choi Su Jin Kim Ji Hyun Kim Sollip Kim Jae Hyun Kim

Dental maturity is associated with skeletal maturity, which is advanced in girls with central precocious puberty (CPP). We investigated the performance of dental maturity as a screening method for CPP using mandibular second premolar and molar calcification stages, assessed the associated anthropometric and laboratory factors, and evaluated pubertal response predictors using the gonadotropin-re...

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