نتایج جستجو برای: premolar

تعداد نتایج: 10575  

2008
Kyung-Chan Jin

To find borders between homogeneous regions in the various morphologies, several segmentation resulting from edge-based and region-growing can not produce exactly the same, and a combination of results often work more accurately. Also, clinically usable segmentation for medical imaging requires a high degree of interaction with registration algorithms such as the Insight Toolkit (ITK) and the V...

Journal: :Journal 2005
Shiu-Yin Cho

Dens evaginatus is a dental anomaly found predominantly in people of Mongoloid origin. Dentists practising in Western countries should also be aware of this condition because of the increasing migration of people from Asia. Supernumerary premolars are uncommon but may be found incidentally during radiographic examination of teeth with dens evaginatus. This article reports 2 cases of concomitant...

2015
Sonu Acharya Pradip Kumar Mandal Chiranjit Ghosh

Macrodontia is a rare dental anomaly that refers to teeth that appear larger than normal. Generalised macrodontia can be associated with certain medical conditions and syndromes. This case report presents clinical and radiographic findings of isolated bilateral macrodontia in a 14-year-old child. The patient was referred to the clinic with local crowding of maxillary and mandibular teeth. Radio...

2018
Qingan Xu Zhou Li

Regenerative endodontic treatment was performed on a mature maxillary premolar diagnosed as chronic pulpitis. The root canals were chemomechanically prepared and placed intracanal medicaments at the first appointment. Then 2 weeks later, a blood clot was created in the canals, over which mineral trioxide aggregate was placed. At 6-month follow-up, cementum-like tissue seemed to be formed in the...

Journal: :American Journal of Orthodontics and Dentofacial Orthopedics 2019

2012
Ali Azhar Dawasaz Syed Sadatullah Syed Kamran Bokhari

The incidence of nonsyndromic supernumerary premolars is rare. Supernumerary premolars are likely to undergo pathological changes. The most commonly encountered complications with these teeth are dentigerous cyst and root resorption of the adjacent tooth. This paper is about impacted double fused supernumerary premolars in the right mandiblular body associated with an impacted first premolar in...

2014
Rahul Mishra Abhay Mani Tripathi Monika Rathore

Dentigerous Cyst/developmental cyst of benign odontogenic origin are ones that surround the crown of impacted, embedded, unerupted or developing teeth. Dentigerous cyst is second most common cyst of the oral cavity after radicular cyst. They are usually solitary in occurrence and mostly associated with the mandibular third molars. Dentigerous cysts involving impacted second premolars are rarely...

2014
Abhilash. R. Krishnan Sarika. S. Kamal Annie Rajan

The otherwise considered being one of the smallest and weakest teeth in the arch, mandibular second premolars have been found to almost double its size in macrodontia. Such anomalies of morphological alterations have caused the teeth to be more weak and prone to diseases, as accredited to the increased surface area and particular morphology. Bilateral mandibular second premolar macrodontia is a...

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