نتایج جستجو برای: maxillary second premolar

تعداد نتایج: 645395  

ژورنال: مجله دندانپزشکی 2014
شمشیری, احمدرضا , فخار, حوریه باشی‌زاده , پنج نوش, مهرداد , کاویانی, هانیه ,

  Background and Aims: It is crucial to verify the relationship between root apices and maxillary sinus floor in some surgical procedures like extraction and implant placement or in orthodontic movements like intrusion. Protrusion of roots into the sinus increases the risk of post extraction pneumatization which in turn decreases the available bone at the implant or denture sites. The aim of th...

2015
Mohammed Jasim Al-Juboori

The displacement of a dental implant into the maxillary sinus may lead to implant failure due to exposure of the apical third or the tip of the implant beyond the bone, resulting in soft tissue growth. This case report discusses dental implant placement in the upper first molar area with maxillary sinus involvement of approximately 2 mm. A new technique for progressive implant loading was used,...

Journal: :Journal of clinical orthodontics : JCO 2012
Mohammad R Razavi

A 17-year-old female presented with the chief complaint of inability to bite properly. Clinical examination revealed a Class II, division 1 malocclusion with an anterior open bite and mild maxillary and mandibular tooth-sizearch-length discrepancies (Fig. 1, Table 1). The patient’s initial contact upon closure was between the maxillary and mandibular first molars, leading to a complex open bite...

Journal: :journal of dentistry, tehran university of medical sciences 0
h t kumuda arvind rao assistant professor, department of oral medicine and radiology, a.b. shetty memorial institute of dental sciences, nitte university, mangalore, india. s ram shetty s babu

the lateral periodontal cyst is an uncommon, but well-recognized type of developmental odontogenic cyst. lateral periodontal cysts are defined as non-keratinized and non-inflammatory developmental cysts located adjacent or lateral to the root of a vital tooth. it is a relatively uncommon lesion found mostly in adults (5th to 7th decades) and it is rare in young people under 30 years of age. a c...

2010
Cenk Kilic Kivanc Kamburoglu Selcen Pehlivan Yuksel Tuncer Ozen

OBJECTIVES The aim of the present study was to assess the relationship between the maxillary sinus floor and the maxillary posterior teeth root tips using dental cone-beam CT. METHODS A total of 87 right and 89 left maxillary sinus regions from 92 patients were examined using dental cone-beam CT. Images were analyzed by a specialist in oral and maxillofacial radiology. Perpendicular lines wer...

2012
Umarevathi Gopalakrishnan S Ramaswamy Lodd Mahendra

Agenesis of one or more teeth is the most common anomaly in dental development.1 The incidence for permanent tooth agenesis ranges from 1.6 to 9.6% in the general population excluding third molars.2-6 Third molars being the most commonly missing tooth, opinions vary on the second most commonly missing tooth. Some investigators7-11 believe that this is the maxillary lateral incisor whereas other...

2014
Amin Rahpeyma Saeedeh Khajehahmadi Parvin Amini

INTRODUCTION Knowledge of the presence of the alveolar antral artery in the lateral maxillary sinus wall is essential for surgeons who operate in this region. The purpose of this study was to investigate the correlation between alveolar antral artery diameter and lateral maxillary bony wall thickness in dentate patients. MATERIALS AND METHODS Thirty five Cone-Beam Computed Tomography (CBCT) s...

2010

This study was conducted on a sample of thirty patients selected from Orthodontics department de’Montmorency College of dentistry/ Punjab dental Hospital, Lahore. The purpose of study was to evaluate treatment effects of Distal Jet Appliance during Class-II molar correction with a focus on the magnitude of Maxillary first molar distalization, its tipping, extrusion, rotation as well as anchorag...

2010
H. Shahoon M. Esmaeili

Intraosseous migration is an unusual developmental dental anomaly, which demonstrates horizontal movement of unerupted teeth only affecting the permanent dentition of the lower jaw. Mandibular second premolar is the most common impacted tooth after the third molars and maxillary canines. Distal migration of the second premolar is rare and early loss of the permanent first molar is one of the mo...

2017
Jintana Tasanapanont Tanapan Wattanachai Janya Apisariyakul Peraphan Pothacharoen Siriwan Ongchai Prachya Kongtawelert Marit Midtbø Dhirawat Jotikasthira

Objective. To compare chondroitin sulphate (CS) levels around maxillary second premolars, first molars, and second molars between the unloaded and the loaded periods and to measure the rates of intrusion of maxillary posterior teeth during segmental posterior tooth intrusion. Materials and Methods. In this prospective clinical study, 105 teeth (from 15 patients exhibiting anterior open bite and...

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