This study aimed to evaluate the retention and patient satisfaction outcomes in ready made posts versus custom made posts in mandibular tooth supported overdenture.
Overdentures also offers an alternative treatment modality which is efficient in certain clinical situations.
The prosthetic rehabilitation using teeth supported overdenture are indicated in cases in which the teeth may be indicated for extraction.
The preservation of teeth in strategic position is an efficient way that can improve the final prognosis regarding stability and retention of the overdenture prosthesis particularly in cases of moderate and poor ridge foundation, preserve the proprioceptive response of the periodontal ligament which decrease the possibility of bone resorption.
It also improves the patient satisfaction outcomes by the feeling of more retention and security.
Ready-made post of tooth supported overdenture is widely used nowadays for ease of handling, more time consuming, acceptable results, cost effectiveness and adequate clinical serviceability for both patient and prosthodontics.
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The prognosis of teeth supported overdenture depend mainly on the periodontal condition of the abutment tooth, which is represented as the health of the alveolar bone together with periodontal and gingival attachment.
The masticatory stresses also is a very critical factor in cases of tooth supported overdenture which are less the in completely edentulous patient.
The stresses generated should be equalized by the strain produced from the support of overdenture abutment.
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Lindhe and Svanberg, Caputo and Standlee demonstrated the principle and mechanism of food mastication and distribution, they reported that the occlusal stresses have certain adverse effect on the teeth, supporting alveolar bone, and periodontal ligament manifested as loss of alveolar bone, resorption of the marginal bone, thickening of lamina dura, vertical bony defect and periodontal pocket formation.
It also increases the Osseo clastic activity, decreases the blood flow with subsequent bone resorption.
That’s why the abutment selection and the stresses generated by the selected post whether ready made or custom made is a crucial factor for the success of the overlying prosthesis.
