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الوجوه التجميلية
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Damascus University رسالة ماجستير
Publication date
2015
fields
Dentistry
and research's language is
العربية
Created by
Shamra Editor
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إن الابتسامة الجميلة هي أداة ومفتاح تواصل اجتماعي مفيد ومهم جدا فهي من أهم مفاتيح القبول لدى الطرف الآخر
No English abstract
References used
السايس س - 2003 : المواد السنية التعويضية جامعة دمشق
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يعد تجميل الأسنان أحد أهم الاجراءات الحديثة التي تحدث اثارا نفسية إيجابية تحسن من الصورة الذاتية للمريض وتمثل بعداً جديداً للمعالجة السنية
These days compositedefinitly became at the top of direct cosmetic restorations, and
the most using restorative material, due to this development now it's used for direct
Veneers &Lumineers.
Because of the high sensitivity of its application, gene
ral practitioner should achieve
a dry, clear work field, especially gingival area.
The aim of the study was to use the modified metal matrix, which used in this study,
is to retract the gum, isolate the tooth from the exudation of the sulcus and bleeding gum
avoiding margin leakage, also provide acceptable continuance between the restoration
surface and the under gum tooth structure, to prevent forming reverse stage under gum.
120 teeth were included in this study, all teeth were treated using the modified metal
matrix, 10 teeth at least for each patient, with no orthodontic treatment. The results have
practically proved getting all goals; retracted gum, tooth isolated from exudation of the
sulcus and bleeding gum, also provided continuance between veneers and under gum tooth
structure, and not having reverse stage which is the main cause of gum inflammation,
beside time saving and easy direct veneer application.
Porcelain Laminate Veneers have shown promising results recently
when used as an alternative to metal ceramic restorations for the
anterior teeth. Long-term success for any restoration depends on the
marginal fit, because marginal gaps increase pl
aque accumulation
and causing periodontitis. The aim of this study was to Asses
marginal fit changes according to were curing the bond agent before
or after cementation.
Interdental Papilla deficiency may occur due to many factors such as
traumatic oral hygiene procedure, plaque associated lesions and
diverging roots following orthodontic treatment. Many of invasive and
non-invasive techniques have been suggested
to reconstruct the
deficient interdental papilla. Treatment using hyaluronic acid gel
injection is the most recent non-invasive technique which
characterized by its easily application as well as avoidance exposing
the patient to surgical procedures. The purpose of this study was to
evaluate the efficiency of repeated cross-linked hyaluronic acid gel
injection in management of deficient interdental papilla at the esthetic
zone after six months of treatment.
This study aimed to test the efficiency of debonding porcelain laminate veneers
(PLV) by using two application modes of Er:YAG laser (contact and non-contact mode),
and testing the change in dental pulp temperature for both application modes.
Sixt
een extracted, non-carious human maxillary premolars, prepared for receiving
PLV, which fabricated of e.max and bonded by light cured resin cement. They divided into
two groups, each of them had 8 samples based on the application mode; group A with noncontact
mode, and group B with contact mode. Veneers of both groups debonded by the
same laser parameters (360mJ, 15Hz) during loading of a 20newton force on a specially
fabricated cervical margin of veneers. Debonding time and change of temperature was
recorded, then entered into SPSS V.19 and T-test for independent samples was applied.
All veneers were debonded, samples of non-contact mode group had much lower
debonding time (12.6 second) than contact mode samples (96.3 second), but with higher
change of temperature in non-contact (4.2 centigrade) than in contact mode (2.9
centigrade).p value was much less than 0.05%.
Within limits of this study, we can conclude that non-contact application mode was
more efficient in reducing debonding time than contact application mode at same laser
energy and frequency parameters, but with a higher change in pulp temperature.
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