Le 2 denture insertion

Denture insertion

The finished denture must fulfill 1- physical needs required to perform adequate function without trauma to surrounding structure 2- physiological need to allow proper suport for good esthetic 3- psychological need to provide proper function and esthetic

Insertion procedure

1- intra oral examination of the finished denture A- location and relief of pressure area of denture base B- identification and location of over extension border C- evaluation of retention and stability D- evaluation of esthetic and facial contour E- refinement of occlusion F- patient instruction

2- extra oral examination

1- examination of impression surface 2- evaluation of denture border 3- evaluation of polished surface

Testing of maxillary denture retention

Apply tipping force to the incisors in attempt to break seal

Testing maxillary denture stability

Apply unilateral force to posterior occlusal surface of the denture

Testing of retention and stability of mandibular denture

Alternatively apply unilateral force to posterior occlusal surface


Checking labial notch

To check retention of upper denture

Pull down with two fingers as denture move down then holds well air will trapped under the denture To check retention of lower denture Push gently against lower anterior teeth with closed pliers as the tongue fill flour of the mouth

Cleaning the denture

Denture brushes are advised specially for elderly and diabetic patient

The patient should not hold the lower denture by squeezing action during cleaning the denture

Recommended method to hold lower denture

The patient should not use hot water above 70 degree for cleaning the denture this will lead to bleach denture surface


Pressure identifying past is used to identify pressure area in tissue surface of the denture
Thin layer of PIP is seated on the tissue surface and the denture is seated in patient mouth then pressure area is identiyed


Any area that the past is thin or completely washed so this area is pressure area
So this area is removed by bur

This recording and trimming is repeated until

There is no pressure area and the past is evenly on the denture surface

Occlusal adjustment is necessary for new denture

Occlusal contact in centric relation is recorded using articulating paper

Heavy contact must in centric relation be corrected

by grinding the fossae and the cusp inclines this procedure is repeated until the posterior teeth show even contact in CO

Interference are found as the jaw is moved

In right , left and protruded movement then the teeth that show deep cooler by articulating paper this should be removed by grinding using bur

Causes of occlusal disharmony

1- un detected error in registration of jaw relation ship 2- error in mounted mater cast on articulator 3- processing error 4- dimensional change of acrylic denture base material 5- difference in tissue adaptation between processed denture base and the record base that were used when recording maxillo mandibullar relation ship 6- change of supporting structure during impression making