POST AND CORE .

                   POST AND CORE

A big Hello to all my readers,

This time giving you all an idea about my New Blog  based on POST AND CORE PROCEDURE DONE POST ROOT CANAL TREATMENT.

Let’s know about the POST AND CORE:

 

POST AND CORE:- IS THE DENTAL RESTORATIVE PROCEDURE MEANT FOR ATTAINING THE LONGEVITY OF THE TOOTH HAVING COMPROMISED (MINIMAL) TOOTH STRUCTURE IN THE ENDODONTICALLY TREATED TEETH AFTER THOROUGH EVALUATION OF THE TOOTH CONCERNED.

STABILITY, LONGEVITY AND STRENGTH ARE ALL FULFILLED WITH THIS PROCEDURE KEEPING ALL THE LIMITING FACTORS IN MIND FOR A SUCCESSFUL OUTCOME.

 

CONDITIONS THAT FAVOUR THE PRIME REQUIREMENT OF THIS PROCEDURE FOR ATTAINING THE COMPLETE STABILITY AND LONGEVITY WITHOUT LOOSING THE TOOTH ARE:-

EXCESSIVE TOOTH STRUCTURE LOSS DUE TO HEAVY DECAY(CARIOUS).

OLD WORN -OUT RESTORATION (FILLINGS).

PREVENT RE-INFECTION IN THE ROOT CANAL TREATED TOOTH BECASE RCT RESULTS IN REDUCTION OF THE ELASTICITY AND INCREASED BRITTLENESS OF THE TOOTH.

PREVENT THE REMAINING TOOTH STRUCTURE FROM THE FRACTURE OR ANY TRAUMATIC VULNERABILITY.

 

 

EXPLAINATION FOR POST AND CORE:

POST/DOWEL:-It's a metal rod placed in the root of the tooth TREATED with ROOT CANAL TREATMENT TO AID IN RESISTANCE TO THE EXTERIOR FORCES. (MASTICATION/TRAUMATIC  IMPACT).

 

CORE(BUILD-UP RESTORATION):

Material used :-TOOTH COLORED RESTORATION (COMPOSITE),NON -TOOTH COLORED (AMALGAM) RESTORATION. 

OTHERS ARE:-

CAST /METAL CORE,GLASS IONOMER CWMENT(GIC),TESIN MODIFIED GIC RESTORATIVE MATERIAL.

CORE:-is placed in the mouth of the crown part of the tooth or projects over the gums(gingiva) that will in turn support or anchor the ARTIFICIAL CROWN/CAP AIDING IN RETENTION AND PROVIDING PROTECTION TO THE WHOLE TOOTH AS A A SOLE ENTITY).

 

 SAVIOUR FOR THE DAMAGED TOOTH :-

Both POST AND CORE ARE BUILDING-UP THE TOOTH STRUCTURE FOR THE FUTURE RETENTION LIKE DIFFERENT CROWNS FOR AESTHETICS AND FUNCTIONAL ACHIEVEMENT(FINAL RESTORATION/FOUNDATION  FOR THE ARTIFICIAL CROWN).

Types:

CUSTOM -MADE (FABRICATED ACCORDING TO THE TOOTH STRUCTURE ON A WHOLE AVAILABLE IN THE DENTAL LAB).

PRE-FABRICATED which are ready- made  and can be given immediately (IMMEDIATE- POST AND CORE), POST RCT if the fit of the POST and CORE is favourable and adaptable with the tooth structure present.

 

POST AND CORE MATERIALS:-

Custom/prefabricated:-

CAST ALLOYS POST / METAL POST :-Gold alloy,Titanium,Chromium-cobalt alloy,Nickle -chromium alloy,stainless steel, brass etc.

NON CAST /NON -METAL POST:-Ceramic and Zirconium,FIBRE  REINFORCED RESIN eg: carbon/glass fibre, quartz,glass and silicon etc.

 POST AND CORE:- CAN ALSO BE ACTIVE OR PASSIVE.

 

PRE- TREATMENT EVALUATION:-

Endodontic approach:

To look for the response of the tooth after RCT(ROOT CANAL TREATMENT).⁹

Any surrounding structure, inflammation or swelling causing any Abscess/Pus formation that will surely limit going ahead with the POST AND CORE.

 

Periodontal approach.

Looking for the gingival health and bone structure to be sound enough favoring the POST AND CORE TREATMENT.

 

Biomechanical evaluation:-

Includes amount of tooth structure present .

Placement of the tooth(Anterior(front) and (Posterior(back) – Masticatory (occlusal forces),

RECURRENT  Caries

Injury to the tooth(fracture) etc.

 

Anatomic evaluation:-

Root evaluation :

Root curvature ,root anomalies(Deformaties) etc.

CROWN EVALUATION:-

Crown part structure to be evaluated (in terms of  tooth material available that will favor the POST AND CORE PROCEDURE).

 

CONTRA- INDICATIONS:-

Severe curvatures of the roots called DILACERATION.

Persistent PERIAPICAL  LESIONS.(infection at the apex of the tooth. Like Abscess.

UNFAVOURABLE Periodontal health(supporting structures of the tooth enabling the tooth stability inside the bony socket).

Economic status of the patient :-allowing or not allowing  the patient to settle for the compromised material in a longer run.

Inadequate skills or missing expertise.

Teeth bearing heavy occlusal forces/MASTICATORY forces.

 

 IDEAL REQUISITES  FOR POST AND CORE PROCEDURE :-

POST REQUISITES:-

Should provide support to the ROOT.

Should provide retention within the root.

AESTHETICS to be considered depending upon the POST placement.

Simple,safe and reliable for both ROOT and the ARTIFICIAL CROWN.

Should provide even distribution of the functional stresses.

Should allow easy removal of the complete entity when required after prolonged periods of CLINICAL USE.

It should be made of BIOINERT MATERIAL resisting Corrosion and any other form of DETIORATION IN THE MOUTH.

Should resist displacement of the POST DUE TO EXTERNAL STRESSES. (FUNCTIONAL/MASTICATORY/ CHEWING FORCES).

 

 CORE REQUISITES:-

CORE part should be stable in the wet environment.  

Should imitate the natural color of the tooth.

Adaptable enough to hold th ARTIFICIAL CROWN.

BIOINERT-non corrosive.

BIOCOMPATIBLE with the tissues and the oral environment(ORAL flora(bacteria)..

Cost for the material. Can at times become limiting factor for the patients to select,thus compromising with their pocket expenses

 

PROCEDURE AND STEPS INVOLVED FOR INCORPORATING POST AND CORE:-

Perform RCT (ROOT CANAL TREATMENT).

INSERT THE POST INTO THE CANAL OF THE ROOT.

BOND THE POST TO THE CANAL OF THE ROOT.

BUILD -UP OF THE  SUITABLE MATERIAL AROUND THE CORE CONSIDERING AESTHETICS AND FUNCTION.

FIX THE  ARTIFICIAL CROWN OVER THE CORE BUILD-UP PORTION.

 

 

 

 

MAIN OBJECTIVE OF THIS TREATMENT IS TO ATTAIN FULL OCCLUSAL(MASTICATION) AND COSMETIC FUNCTION.

POST AND CORE ARE ESSENTIAL FOR REINFORC8NG THE TOOTH AND CREATING A FIRM BOND FOR A DENTAL CTOWN THAT LASTS.

 

POST AND CORE SYSTEM HELPS IN ACHIEVING INTERIOR AND EXTERIOR SUPPORT FOR THE WEAKENED TOOTH.(IN TERMS OF MECHANICAL,COSMETIC AND FUCTIONAL REASONS).

 

Difference between an IMPLANT AND A POST AND CORE PROCEDURE :-

IMPLANT :- Is a structure that replaces the root of the missing natural tooth.

It’s just a screw inside the bone that with time fuses with the bone tissue.( behaves as a root).

It helps in holding the crown (Cap),bridge(fixed - partial or  complete teeth rehabilitation (PROSTHESIS ) of the mouth-ARTIFICIAL PROSTHESIS.

 

PRE-FABRICATED OR CUSTOM-MADE   POST:-

It is a metal pin placed in the highly decayed tooth healthy enough to hold it.

The natural tooth root is preserved.

Then a crown/bridge can be affixed to the POST.

Note: POST IS RECOMMENDED WHEN A ROOT CANAL HAS BEEN PERFORMED AND NOT ENOUGH NATURAL TOOTH REMAINS TO HOLD THE ARTIFICIAL PROSTHESIS/RESTORATION.

 

 THREE CRUCIAL POINTS THAT FAVOUR IN GOING FOR THE POST AND CORE PROCEDURE ARE:-

If the dentist BOND the crown directly to the heavily decayed tooth,tooth can further break and weaken.If the break is severe or severe infection picks up ,in that case one caboose the tooth.

Then comes the role of DENTAL IMPLANTS FOLLOWED  SUPPORTED  BY CROWNS AND BRIDGES(FIXED PROSTHESIS) ON THE TOP.

That increases the cost for the treatment on a whole.(EXPENSES  INCREASE).

 

So ,your dentist or the treating professional is giving you the POST AND CORE PROCEDURE FOR LONG TERM OUT OF POCKET EXPENSES for your benefit.

 

 THANKYOU ALL ..

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