Pathology: Horizontal atrophy

Use of 2.5 mm diameter implants for the rehabilitation of sectors with horizontal bone atrophy, avoiding the need for prior regenerative procedures.

A 76-year-old female patient with complete bimaxillary edentulism, wearing removable prostheses that presented aesthetic and functional limitations. Clinical and radiographic evaluation using CBCT showed severe bone atrophy, predominantly horizontal in the upper maxilla and mixed in the mandible, with a marked reduction in available bone height in the posterior sectors. Read more
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Pathology: Horizontal atrophy

Rehabilitation of maxillary and mandibular horizontal atrophies using 3.0 mm narrow platform implants: a minimally invasive approach.

We present the case of a female patient with a complete upper prosthesis and a removable partial lower prosthesis, who came to the clinic due to the discomfort caused by the latter and the need to improve her oral rehabilitation. Clinical examination showed a class III intermaxillary relationship, and the CBCT study confirmed severe horizontal bone atrophy, especially pronounced in the posterior mandibular sectors, where some locations presented widths of less than 4 mm. Read more
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Pathology: Vertical atrophy

Rehabilitation of a maxilla with extreme vertical atrophy using almost exclusively 4.5 mm long implants.

We present the case of a 69-year-old female patient with complete edentulism of the upper maxilla and a history of failure of an implant-supported rehabilitation with an overdenture. Clinical examination revealed inflammatory alterations of the mucosa associated with the prosthesis and a single remaining implant with circumferential bone loss, whose unfavorable prognosis indicated its explantation. The radiographic study using CBCT confirmed extreme vertical bone atrophy throughout the upper maxilla, with residual heights between 1 and 3 mm, associated with marked pneumatization of the maxillary sinuses and the proximity of the nasal fossa floor to the alveolar ridge. Read more
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Pathology: Vertical atrophy

4.5 mm extra-short implants for the treatment of severe bone atrophy in the posterior maxilla: an alternative to conventional bone regeneration and sinus elevation techniques.

This case concerns a patient with a history of controlled moderate periodontitis and generalised bone loss, who presented with advanced mobility of teeth 27 and 28, for which extraction was indicated. Following extraction of both teeth, cone beam computed tomography (CBCT) revealed severe vertical atrophy in the posterior region of the second quadrant, with a residual bone height of approximately 2.5 mm in the most distal region and 3.4 mm in the mesial region. Given the limited bone availability, restoration was planned using two 4.5 mm ultra-short implants combined with transcrestal sinus elevation, thereby avoiding more complex reconstructive procedures. A diameter of 4.75 mm was selected for the distal implant, with its placement directed towards the region of greater bone availability close to the buccal cortex, with the aim of achieving primary stability from the limited residual bone volume. The implant site was prepared using biological drilling at low speed without irrigation, and the sinus membrane was elevated via a crestal approach. Read more
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Pathology: Vertical atrophy

Vertical bone augmentation in the posterior mandible with distal free ends to avoid prosthetic cantilevers in full-arch implant-supported rehabilitations.

The case of a 69-year-old woman wearing complete removable prostheses in both arches is presented. She attended the clinic because of poor retention of the mandibular prosthesis, associated with pain and difficulty during mastication. Read more
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