نتایج جستجو برای: third tooth

تعداد نتایج: 330885  

Journal: :journal of dentistry, tehran university of medical sciences 0
jb taheri m baharvand ar vahidi-ghahrodi

fusion is a developmental anomaly defined as the :union: of two normally separated tooth buds or the partial splitting of one tooth bud into two buds. depending on the stage of development, fusion may be either complete or incomplete. the significance of this particular case was that this fusion occurred in a posterior permanent mandibular tooth, while such a manifestation is more reported in m...

2012
ennis Flanagan

Impacted mandibular third molars can be located in close proximity to the mandibular canal. This creates a risk for the nerve or artery injury. These are contained in the canal. However, the impacted third molar can be moved coronally by orthodontic means, after removal of overlying bone, and safely extracted. The orthodontic intervention slowly moves the tooth apex away from the mandibular can...

Journal: :Pediatric dentistry 1994
J Burch P Ngan A Hackman

Premolars rank third in frequency after third molars and maxillary canines in impacted or unerupted teeth. Failure to detect and analyze the problem may lead to unnecessary space loss, crowding, or collapse of the dental arch. A diagnostic scheme is presented to facilitate diagnosing and treating unerupted premolars. Important observations include: Diagnosing congenitally missing permanent teet...

2015
Frederico Sampaio Neves Laura Ricardina Ramírez-Sotelo Matheus Lima de Oliveira Gina Roque-Torres Thais de Camargo Souza Deborah Queiroz de Freitas

Ectopic tooth eruption into an area other than the oral cavity is rare. Nasal septum, mandibular condyle, coronoid process and infratemporal fossa space have been reported as frequent locations for ectopic tooth eruption. Ectopic teeth located within the maxillary sinus may be asymptomatic, found only in routine examinations. Headache, sinusitis and nasal obstruction are some of the associated ...

Journal: :Schweizer Monatsschrift fur Zahnmedizin = Revue mensuelle suisse d'odonto-stomatologie = Rivista mensile svizzera di odontologia e stomatologia 2003
A Wassouf G Eyrich R Lebeda K W Grätz

INTRODUCTION Migration of dislocated lower third molar into the condylar region is quite rare. Attention should be taken to avoid condyle fracture. METHODS 49-year-old patient had an ectopic lower left third molal in the condylar region, suffered from a submandibular and masseter space abscess. Removal of the molar via intraoral approach was chosen avoiding facial nerve branches and unnecessa...

2014
Andrea Enrico Borgonovo Luigi Bernardini Paola Francinetti Federica Rizza Dino Re

Objective. The aim of this paper is to present an uncommon clinical and radiographic aspect of odontogenic keratocyst (OKC) mimicking paradental cyst. Methods. A 32-year-old female patient showed a well-delimited radiolucent lesion connected with the root of the left third molar with close anatomical relationship with the mandibular canal. The clinical, radiographic, and anamnestic features lea...

Journal: :Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics 2006
Ana Malcić Silvana Jukić Valentina Brzović Ivana Miletić Ivica Pelivan Ivica Anić

OBJECTIVE To determine the prevalence and distribution of dilaceration in all tooth groups by using radiographs. STUDY DESIGN The sample included 953 periapical intraoral radiographs and 488 panoramic radiographs from different caucasian patients. The ages of the patients ranged from 18-65 years. Dilaceration of the root was detected by measuring the degree of deviation from the long axis (de...

Journal: :journal of dentistry, tehran university of medical sciences 0
behnam bolhari associate professor, dental research center, dentistry research institute, department of endodontics, school of dentistry, tehran university of medical sciences, tehran, iran salma pirmoazen assistant professor, department of endodontics, school of dentistry, tehran university of medical sciences, international campus, tehran, iran ensieh taftian ِdds, department of surgery, school of medicine, tehran university of medical sciences, tehran, iran somayeh dehghan assistant professor, department of endodontics, school of dentistry, alborz university of medical sciences, karaj, iran.

trauma to primary teeth can lead to devastating sequels in development of permanent successors. the disturbance may range from enamel hypoplasia and/or hypo-calcification to arrest of dental bud development. crown dilaceration of permanent teeth is one of the consequences of trauma to deciduous teeth mainly due to intrusion or avulsion. this report presents a mandibular central incisor with dil...

2015

Maxillary sinus floor augmentations were performed by the lateral window technique in 132 sites using betatricalcium phosphate (β-TCP) granules. Cone beam computed tomography (CBCT) scans were taken before surgery, the day of surgery, and one week, three months and one year after surgery. The proportion of the area of the postoperative swelling of the sinus membrane in relation to the remaining...

A Ghodoosi M Ghadipasha M Safaiyan M Sheykhi

Introduction: Age estimation is one of the important issues for treatment planning and determination of patient’s rights in forensic medicine. In spite of various methods which have been introduced for age estimation, there is still no specific practical, non-invasive, and rapid method of age estimation for Iranian population. The aim of this study was to find a precise criteria for age estimat...

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