The effect of three different denture adhesives on the retention of mandibular complete denture : comparative study

الملخص EN

Background : Retention is one of the important factors in the success of the prosthodontics treatment.

Retention is affected by several factors which are physical, physiological, psychological, mechanical and surgical factors.

The use of denture adhesives improved the retention and stability of complete denture.

The use of denture adhesives is indicated in several cases , as in an immediate denture , flat ridge, patient with deficits in muscle control, xerostomic patient and patient in need of psychological security the purpose of this study is to measure and compare the effectiveness of denture adhesives (cushion, powder and cream protefix denture adhesive) in a well fitting mandible complete denture for flat ridge at various time intervals and to its relation with surface area of denture bearing mucosa.

Materials and methods : Ten edentulous patients with flat ridge, with age group (50-70) years were selected.

New complete dentures were constructed for them.

A specially designed strain gauge force transducer and a strain indicator unit were used to measure forces required to dislodge the denture from its foundation.

Retention of mandible complete denture without adhesive and with the use of each type denture adhesives at intervals of 15 minutes, 1hour and 2 hour were measured .The surface area of denture bearing mucosa was also measured.

Results and conclusion : This study revealed that there is a significant improvement in the retention of mandible complete denture for flat ridge after using three types' denture adhesives.

Denture adhesives start their action immediately and decreased with time.

Powder was the most effective denture adhesives than cushion and cream.