All on 4 Doctors

WHAT ARE THE MOST COMMON ERRORS THAT ARE SEEN IN THE ALL ON 4 PROSTHETIC CONCEPT

Discussion by : SajDate : 09-22-2016
Comments : 0
All on 4 Doctors

Poor Emergence Profile

This occurs as a result of an implant place- ment that is too shallow. There is insufficient room to transition from the head of the fixture to the ideal incisal edge position. A ledge often results that may serve as an area of food entrap- ment. This ledge may also result in a concavity of the lip in the region of the naso-labial angle affecting overall facial aesthetics.

Concave Tissue Contours

A concave undersurface makes it difficult for the patient to maintain appropriate hygiene. The concave surface serves as a reservoir for microorganisms, which may ultimately impact the health of the peri-implant tissues.

Short Unaesthetic Teeth

A compromise in the aesthetics of the final restoration is very disappointing for both pa- tient and clinician. This can be avoided if the diagnostic phase includes a thorough analysis of the vertical space required.

Food Entrapment/Speech Impairment

A common complaint by patients is food entrapment and impairment of speech. This occurs as a result of too much space beneath the restoration.

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