A simple, time-saving chairside device for radiographic diagnosis of vertical bone height and soft tissue thickness for implant placement--clinical report
Kharade, P.; Banerjee, A.; Gupta, T.
General Dentistry 60(1): E22-E25
2012
ISSN/ISBN: 0363-6771 PMID: 22313989 Document Number: 10634
A diagnostic radiograph of the posterior regions of the jaws is mandatory if implant placement is considered at these sites. The goal is to avoid damage to important anatomical structures such as the inferior alveolar canal and maxillary sinus. Using radiographs to evaluate the remaining bone height available for implant insertion is a common procedure. Many articles have evaluated the success rates of fixed prostheses supported by osseointegrated implants, indicating high rates of success for prostheses 5-10 years in function. However, if an orthopantomogram machine is not readily available, periapical radiographs can be used for vertical bone height assessment. The familiar procedure of incorporating a metal ball of known diameter into an acrylic template is the method of choice. This is a relatively tedious and expensive procedure involving multiple steps, including impression taking, creation of a study model, and manufacture of a metal ball-bearing acrylic template. A further disadvantage for the patient is that a diagnostic radiograph can be taken only at the next appointment. This paper describes a quick and simple method to obtain a radiographic evaluation of remaining alveolar bone height and soft tissue thickness prior to implant placement with help of a metal ball device to avoid template fabrication and time consumption. Soft tissue thickness is measured nonsurgically.
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