8 research outputs found
Endosequence BC Sealer as root canal filling in endodontic retreatment
Rezumat.
Reluarea tratamentului endodontic constă în dezobturarea canalelor
unui dinte deja tratat, refacererea tratamentului chemomecanic pe întreg
canalul până la apex, tratament antispetic cu hidroxid de calciu și clorhexidină
și refacerea corectă a obturaţiei de canal. Dezobturarea este etapa cea
mai laborioasă din cauza durităţii unor cimenturi de sigilare care nu pot fi
îndepărtate decât prin mijloace mecanice rotative, de unde și riscul de apariţie
a unor iatrogenii care complică tratamentul. Se impune de asemenea o
lărgire suplimentară a canalului cu 0,05-0,10 ISO pentru îndepărtarea mai
eficientă a materialelor de obturaţie și biofilmelor de interfaţă de pe pereţii
canalelor. Reobturarea canalelor radiculare presupune utilizarea gutapercii,
prin diverse tehnici, simultan cu un ciment de sigilare biocompatibil, radioopac,
cu contracţie de priză minimală, efect antibacterian și capacitatea de a
se cupla adeziv la pereţii de dentină ai canalelor radiculare. EndoSequence®
BC Sealer™ este un asemenea sigilant, de natură bioceramică, care în plus
oferă posibilitatea formării unui monobloc adeziv cu dentina prin hidroxiapatita
generată în cursul prizei în urma contactului cu lichidele tisulare.Summary. The endodontic canal retreatment lies in removal of root canal filling
of previously treated tooth, an additional enlargement of root canal to its
apical terminus, calcium hydroxide and chlorhexidine dressing and, the appropiate
root canal filling. The removal of root canal filling is the most difficult
step due to the hardness of sealares that need rotary instruments to be
pushed out and sometimes may generate iatrogenies. An 0.5-0.10 ISO additional
enlargement of root canal is also required for better cleaning of filling
material remnants and biofilms that adhered on root canal walls. The root
canal refill is based on gutta-percha core and sealer that ideally has to be biocompatible,
radiopaque, with minimal setting shrinkage, antibacterial and
strongly adhesive to dentinal tissue of root canal walls. EndoSequence® BC
Sealer™ is such a bioceramic-based sealer that has the possibility to generate
an adhesive monoblock with dentine because during setting is combined
with tissue fluids resulting in an interface layer of hydroxyapatite
EndoSequence BC Sealeras root canal filling in endodontic retreatment
Rezumat
Reluarea tratamentului endodontic constă în dezobturarea canalelor unui dinte deja
tratat, refacererea tratamentului chemomecanic pe întreg canalul până la apex, tratament
antispetic cu hidroxid de calciu și clorhexidină și refacerea corectă a obturaţiei de canal.
Dezobturarea este etapa cea mai laborioasă
din cauza durităţii unor cimenturi de sigilare
care nu pot fi îndepărtate decât prin mijloace
mecanice rotative, de unde șiriscul de apariţie
a unor iatrogenii care complică tratamentul.
Se impune de asemenea o lărgire suplimentară a canalului cu 0,05-0,10 ISO pentru îndepărtarea mai eficientă a materialelor de obturaţie și biofilmelor de interfaţă de pe pereţii
canalelor. Reobturarea canalelor radiculare
presupune utilizarea gutapercii, prin diverse
tehnici, simultan cu un ciment de sigilare biocompatibil, radioopac, cu contracţie de priză
minimală, efect antibacterian și capacitatea de
a se cupla adeziv la pereţii de dentină ai canalelor radiculare. EndoSequence®
BC Sealer™
este un asemenea sigilant, de natură bioceramică, care în plus oferă posibilitatea formării
unui monobloc adeziv cu dentina prin hidroxiapatita generată în cursul prizei în urma
contactului cu lichidele tisulare.Summary
The endodontic canal retreatment lies
in removal of root canal filling of previously
treated tooth, an additional enlargement of
root canal to its apical terminus, calcium hydroxide and chlorhexidine dressing and, the
appropiate root canal filling. The removal of
root canal filling is the most difficult step due
to the hardness of sealares that need rotary
instruments to be pushed out and sometimes
may generate iatrogenies. An 0.5–0.10 ISO
additional enlargement of root canal is also
required for better cleaning of filling material remnants and biofilms that adhered on
root canal walls. The root canal refill is based
on gutta–percha core and sealer that ideally
has to be biocompatible, radiopaque, with
minimal setting shrinkage, antibacterial and
strongly adhesive to dentinal tissue of root canal walls. EndoSequence®
BC Sealer™ is such a
bioceramic based sealer that has the posibility
to generate an adhesive monoblock with dentine because during setting is combined with
tissue fluids resulting in an interface layer of
hydroxyapatite
MILLING MACHINES TOOLS USED IN CAD-CAM TECHNOLOGY OF DENTAL PROSTHESES
Numerically controlled modern CAD-CAM milling machines tools dedicated to dental technology are kinematic structures that work in 4 or 5 axes and represent one of the key links of CAD-CAM technology flow. The 4-axis and 5-axis machines allow for superior quality of the milling surface integrity by controlling both the inclination of the feed angle and the direction of the milling guide on which depends the contact surface between the cutting tool and the workpiece. The milling tools are available for both dental offices and dental laboratories as well as for industrial dental laboratories. The CAD-CAM milling machines provide superior results to conventional methods in terms of mechanical strength in mastication and aesthetics of dental prosthese
3D printing in dental technolog - present status
Rezumat
Printarea 3D reprezintă o tehnologie a viitorului care permite laboratorului de tehnică dentară confecţionarea prin procedee aditive a unor lucrări protetice cu geometrie spaţială complexă. Printerul 3D multimaterial
propulsează procedeele de confecţionare aditivă a lucrărilor protetice la un
nivel superior deoarece permite realizarea diverselor componente ale acestora mai simplu și mai rapid, reducând și preţul de cost. Printarea 3D a
demonstrat de asemenea avantajul unei flexibilităţi nelimitate de design, al
elaborării într-o singură etapă a unor lucrări protetice de mare complexitate structurală, prin prelucrarea fișierelor în format STL, și capacitatea de
includere în fluxul tehnologic digital tip chairside. Valoarea restaurărilor
protetice printate 3D necesită totuși studii clinice de durată privind biocompatibilitatea și integrarea lor funcţională cât și impactul ecologic.Summary
In dental laboratories 3D printing, as a technology of the future, allows
to the additive procedures to obtain a complex spatial geometry of dental
prosthesis. Due to multi material 3D printer the dental laboratory additive
procedures are higher appreciated since the different parts of dental prosthesis are easier and faster made-up, leading to lower costs. The design flexibility of 3D printers is everlasting; the dental prosthesis of high configuration complexity they generate may be finished in one stage, based on STL
file layout, and the last advantage of these printers relies on the capability
to be included in the chairside digital technological flow. The assessment of
dental prosthesis generated by 3D printing need long term clinical studies concerning the biocompatibility, functional integration, and ecological
feedback
HEALING OF CHRONIC PERIAPICAL PERIODONTITIS IN THE ELDERLY: IS IT AGE REALATED?
Endodontic retreatment in elderly patients for healing periapical periodontitis is more often required. Because of
the increasing number of older adults in the population and the desideratum to maintain natural teeth for
mastication and esthetics, endodontic treatment outcome in elderly people has to become predictable. Our
clinical case highlights that even large, multiple periapical periodontitis can be healed in elderly people.
Eliminating microbial infection by correct cleaning and shaping and preventing reinfection by proper root canal
filling lead to a decrease in the size or even total healing of apical pathosis in relatively healthy elder patients, no
matter the age
HIGH RISK IN ROOT CANAL NEGOCIATION IN ELDERLY PATIENTS: CLINICAL CASE SERIES
Several clinical cases outline the difficulties of root canal treatment, due to the morphological changes of the endodontic space in elderly patients. The changes in the shape of pulp chamber and root canal make the treatment more difficult. It is also shown that the pulp chamber diminishes, due to reparative dentin. Calcification of the pulp space makes more difficult the access to the cavity. The obliterated canals lead to a challenging negotiation of the root canals. To avoid errors in the appreciation of the general health condition of the patient, the specialists should have an accurate preoperative radiograph or cone beam computing tomography (CBCT), use magnification (dental operative microscope), safe-ended burs, consider carefully any morphological changes, and apply the most proper techniques
CHRONIC APICAL PERIODONTITIS AND DIABETES MELLITUS RELATIONSHIP IN ORAL REHABILITATION
Diabetes mellitus is one of the most frequent systemic disorders in medically compromised dental patients. Since it seems to be a significant relationship between diabetes mellitus and apical pathology, any diabetic dental patients should be suspected to develop chronic apical periodontitis both in endodontically treated and untreated teeth. A proper follow-up of root-filled teeth associated with periodical glycaemia control is mandatory to increase their survival. The diabetic status of a patient should be a key prognostic factor of decision in conservative endodontic managemen