may be prepared by mixing a composition comprising (a) and reducing agent with a composition comprising (b) and oxidising agent, filling a mould with the mixture, applying the mould to a tooth stump to set, removing the set crown for polishing and finishing, filling it with cement and appl...
The crown is the surface that allows for food breakdown as opposing teeth are brought together when chewing. The crown and root consists of hard and soft tissue. The hard tissue covering the crown is calledenamel, a hard mineral surface, where as the root is covered bycementum, a hardy mi...
One of each type is present in each quadrant of each dental arch. The first is closer to the midline at the fourth position from it. The second is next to the first premolar and is in the fifth position from the midline. Both types are distal to the permanent canine and mesial to ...
- 《Dental Traumatology》 被引量: 33发表: 1989年 A retrospective evaluation of crown-fractured permanent teeth treated in a pediatric dentistry clinic Abstract – A retrospective study was carried out on the dental trauma records of 93 patients (55 boys, 38 girls) with 129 crown-fractured...
the cementum’s ability to regenerate, this layer may no longer act as a sufficient barrier between the dental hard tissue and the adjacent bone, thus no longer protecting the root from active clastic cells. Consequently, the PDL and the root structure might be involved in (physiological) bone...
dental development that, although wide, may bracket the undoubted variation there would be in M3 growth and development generally. Supplementary TableS4lists 21 Plio-Pleistocene hominins with incomplete M3s. Note that crown completion (CC) and root completion (RC) are identical in both formation ...
cement after root canal therapies.All cases were followed up for 2 years.Results The short term clinic effects were acceptable and it met the patients' requirement.The success rate after 2-year follow up was 97.8%.Conclusion As a short term restoration,the reattachment for crown fractured teeth...
smiling, and chewing food from childhood. However, dental caries, which is also known as tooth decay, is one of the most common diseases among children. It is an oral condition that involves bacterial infections destructing tooth tissues. Extensive tooth decay is very common among deciduous teeth...
Temporary crown was remained on the tooth structure for an hour and then extracted and cement remnant was removed by an excavator. Then the casing crowns were adhesively luted via zinc phosphate, adhesive resin(Maxcem) to prepared teeth. After 24h storage in distilled water, Retention was ...
Department of Child Dental Health, University of Newcastle upon Tyne, EnglandJohn Wiley & Sons, LtdInternational Journal of Paediatric DentistryWaterhouse PJ, Nunn JH. Crown and root resorption of a maxillary permanent first molar by an impacted second premolar: a case report. Int. J. Paediatr....