Abstract
ABSTRACT Objective: to analyze aesthetic and functional outcomes of the rehabilitation of single tooth morse taper implant restoration with single crown prosthesis immediately after tooth extraction. Methods: Retrospective longitudinal clinical study of 57 patients submitted to an oral rehabilitation protocol with morse taper (Ankylos® Classic) dental implants, without performing incision, grafts nor suture, followed by the placement of a provisional prosthesis immediately after tooth removal in the anterior maxillary region. The pre-and post-operative clinical data (alveolar bone contour at vestibular aspect, soft tissue contour at cervical aspect and papillae level) and postoperative radiographic findings (bone height / implant ratio) were submitted to descriptive statistics (mean and standard deviation) and Fisher’s Exact Test. Results: the implant success rate was 98.25%. The alveolar bone vestibular aspect was maintained in 69.6% of the cases. There was no soft tissue retraction on the cervical aspect and the papillae height was preserved in 89.3% of the cases.The bone level remained above the implant neck in 92.8% of the cases. There was no significant association between implant diameter and soft tissue retraction (p = 0.910) or retraction of the interproximal papilla (p = 0.148) or resorption of the alveolar bone crest (p = 0.610). Conclusion: This protocol is characterized by the application of minimally traumatic techniques, reducing rehabilitation time and offering positive aesthetic and functional results.
Highlights
The success of oral rehabilitation using dental implants has been associated with strict protocols, which pursue long periods of bone healing without the interference of occlusal forces to achieve osseointegration
The need to reduce treatment duration led to the investigations, since the 1990s, on immediate implant placement and prosthetic rehabilitation, both at the same time as surgical tooth extraction
This paper proposes an oral rehabilitation protocol involving the immediate placement of a morse taper implant and single crown prosthesis rehabilitation in a series of fresh extraction sockets, evaluating the clinical behavior of this therapy with a five-year follow-up
Summary
The success of oral rehabilitation using dental implants has been associated with strict protocols, which pursue long periods of bone healing without the interference of occlusal forces to achieve osseointegration. The technological advances made regarding the improvement of dental implants’ designs and surfaces have been helping increase primary and secondary stability, leading to a shorter period of osseointegration, besides favoring the preservation of alveolar bone height with aesthetic purposes. This predictability in implant therapy encouraged several reassessments of the protocol established by Branemark [1]. The need to reduce treatment duration led to the investigations, since the 1990s, on immediate implant placement and prosthetic rehabilitation, both at the same time as surgical tooth extraction. As there is no flap elevation and tissue manipulation is reduced, the risk of bone resorption or soft tissue retraction is reduced [3]
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