Abstract
The treatment of patients with atrophic maxillary alveolar ridge who need oral rehabilitation is a common problem in Implant Dentistry. One of the techniques used is the alveolar ridge splitting technique to expand alveolar ridges with a horizontal bone decrease. The palatal approach technique is also recommended in cases with an insufficient thickness of the alveolar ridge for the placement of implants in the bone envelope. The aim of this work is to describe the splitting expansion and palatal approach technique for the treatment of atrophic maxillary ridges with a horizontal bone deficit and rehabilitation with implant placement. This technique combines the alveolar ridge splitting/expansion technique and the palatal approach technique. It allows alveolar ridge expansion using piezosurgery and immediate placement of implants without thread exposure in the palatal aspect. With one surgical time, this technique avoids the fracture of the buccal bone plate due to the expansion, eliminates the need for bone graft and donor-site morbidity, is simple and effective, and shows great esthetic results and implant success.
Highlights
IntroductionIn patients with several teeth loss, the edentulous alveolar ridge segment suffers more bone resorption
The oral rehabilitation of patients with tooth loss and insufficient bone quantity is one of the great challenges in Implant Dentistry
The alveolar ridge splitting/expansion technique was described as a longitudinal alveolar ridge splitting into two parts, provoking a greenstick fracture made with small chisels (Simion, Baldoni, & Zaffe, 1992)
Summary
In patients with several teeth loss, the edentulous alveolar ridge segment suffers more bone resorption This way, surgical bone augmentation procedures with grafts is usually recommended (Buser et al, 2012). The alveolar ridge splitting/expansion technique was described as a longitudinal alveolar ridge splitting into two parts, provoking a greenstick fracture made with small chisels (Simion, Baldoni, & Zaffe, 1992) These procedures are recommended only in cancellous bone quality (types 3 or 4) and allow positioning of implants simultaneously and significantly shorten the treatment time(Bassetti, Bassetti, & Bosshardt, 2016), and an alveolar ridge width of a minimum of 3 to 4 mm is required (Suh, Shelemay, Choi, & Chai, 2005). This work aims to describe the hybrid splitting expansion and palatal approach technique that combines the alveolar ridge splitting/expansion technique and the palatal approach technique, which is indicated to treat atrophic maxillary ridges with severe bone width loss for rehabilitation with implant placement
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