نتایج جستجو برای: tooth crown

تعداد نتایج: 104876  

2014
Nigel R. Figueiredo Manoj Meena Ajit D. Dinkar Manisha Khorate Sujata K Satoskar

. The eruption cyst is regarded as a soft tissue analogue of the dentigerous cyst, but is considered as a distinct clinical entity. It is defined as a cyst that lies superficial to the crown of an erupting tooth, and is lined by stratified squamous non-keratinizing epithelium. Clinically, it appears as a soft, often translucent swelling of the gingival mucosa overlying the crown of the involved...

Journal: :Mechanisms of Development 2003
Keijo Luukko Sigbjørn Løes Tomasz Furmanek Karianne Fjeld Inger Hals Kvinnsland Paivi Kettunen

The final shape of the molar tooth crown is thought to be regulated by the transient epithelial signaling centers in the cusp tips, the secondary enamel knots (SEKs), which are believed to disappear after initiation of the cusp growth. We investigated the developmental fate of the signaling center using the recently characterized Slit1 enamel knot marker as a lineage tracer during morphogenesis...

Journal: :Clinical oral implants research 2009
Jan Cosyn Tim De Rouck

OBJECTIVES The aim of this study was to compare crown and soft tissue dimensions of single-tooth implant restorations following early implant placement and guided bone regeneration (GBR) with contralateral non-restored teeth. MATERIAL AND METHODS Twenty-seven patients treated by one and the same surgeon and prosthodontist to restore a single-tooth gap with a class I bone defect in the premaxi...

Journal: :Journal of the American Dental Association 2015
Darryll Beard

Q Several patients who had been receiving care at the same dental office recently transferred to our practice. Although their stories were slightly different, the results appeared to be the same. For example, 1 patient stated that she had seen a new dentist for her routine examination and cleaning, and the dentist found a cavity in her lower right molar as well as in several other teeth. After ...

Journal: :iranian endodontic journal 0
masoud parirokh professor of endodontics, dental school, kerman university of medical sciences, kerman, iran. shahla kakoei assistant professor of oral medicine, dental school, kerman university of medical sciences, kerman, iran. ali eskandarizadeh assistant professor of restorative dentistry, dental school, kerman university of medical sciences, kerman, iran.

this report describes a case of a 7 years old girl who suffered from complicated crown fracture of right mandibular central incisor because of a bicycle accident . for the tooth partial pulpotomy with calcium hydroxide, capping was performed in order to achieve apexogenesis and the tooth was restored with a double-seal of glass ionomer cement and composite resin. the patient was reviewed over 8...

Journal: :journal of dentistry, tehran university of medical sciences 0
abdollah ghorbanzadeh dental research center, dentistry research institute, tehran university of medical sciences, tehran, iran ans assistant professor, department of endodontics, school of dentistry, tehran university of medical sciences, tehran, iran atiyeh ghorbanzadeh dental student, school of dentistry, semmelwies university, budapest, hungary

this case report describes the treatment of two immature maxillary central incisors in a 7- year-old female patient. she suffered complicated crown fracture because of trauma, and the root formation was incomplete. white mineral trioxide aggregate (mta) was selected as the pulp-capping material after cervical pulpotomy to preserve the pulp tissue vitality and achieve maturogenesis. follow-up ev...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
e. amin salehi dept. of restorative dentistry, dental school, islamic azad university of medical sciences, tehran, iran. m. ghorbani dept. of restorative dentistry, dental school, islamic azad university of medical sciences, tehran, iran. r. hassani z. amirzadeh dept. of oral medicine, dental school, islamic azad university of medical sciences, tehran, iran.

objective: introduction of fiber-reinforced composites (frc) greatly enhanced the restoration of fractured anterior teeth. the purpose of this study was to assess the effect of fiber reinforcement on fracture resistance of incisal edge composite restorations of variable thicknesses. methods: forty extracted sound human maxillary incisors were divided into four groups of 10. incisal reduction wa...

Journal: :Brazilian dental journal 2011
Sandra Rivera Fidel Rivail Antonio Sergio Fidel-Junior Luciana Moura Sassone Cristiana Francescutti Murad Rivail Antonio Sergio Fidel

This report describes the clinical procedures involved in the treatment of a complicated crown-root fracture in the maxillary left central incisor with a wide open apex of a 10-year-old male patient, due to fall from his own height. Post-trauma treatment comprised cervical pulpotomy and adhesive tooth fragment reattachment. After 1 year, clinical and radiograph examinations showed pulp necrosis...

2017

Intentional replantation is in practice from past many years as a treatment option for pulpless teeth and also an effective treatment option for teeth which are difficult or impossible to treat using the conventional root canal therapy. The preservation of periodontal ligament vitality, the removal of all tissue debris and irritating substances from the root surface, establishment of a good api...

2016
Gaurav Sharma Amritpreet Nagra Gurkeerat Singh Archna Nagpal Atul Soin Vishal Bhardwaj

A dilated odontoma is an extremely rare developmental anomaly represented as a dilatation of the crown and root as a consequence of a deep, enamel-lined invagination and is considered a severe variant of dens invaginatus. An oval shape of the tooth lacking morphological characteristics of a crown or root implies that the invagination happened in the initial stages of morphodifferentiation. Spon...

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