Dental implants are a common procedure used to replace absent teeth. Radiology has a role in pre-implant planning as well as post-implant assessment including identification of complications.
Dental CT is the most common modality used in dental implant imaging.
Assessment of the density (i.e. quality) and alveolar height and width (i.e. quantity) of bone is key for success implant osseointegration 2:
- edentulism typically leads to bone loss with resorption of the alveolar process typically affecting width before height
- a number of Bone Quality Indices exist
- Cawood and Howell
- Lekholm and Zarb
- Norton and Gamble
- bone implant site needs to be at least 7-9 mm high and 5 mm wide 2,3
- measurements should be taken every four sagittal oblique images through the region planned for implant
- other features
- 1. Rafael M. Loureiro, Erica A. Naves, Rafael F. Zanello, Daniel V. Sumi, Regina L. E. Gomes, Mauro M. Daniel. Dental Emergencies: A Practical Guide. (2019) RadioGraphics. 39 (6): 1782-1795. doi:10.1148/rg.2019190019 - Pubmed
- 2. Jaime A. Saavedra-Abril, Claudia Balhen-Martin, Kena Zaragoza-Velasco, Eric T. Kimura-Hayama, Santiago Saavedra, Miguel E. Stoopen. Dental Multisection CT for the Placement of Oral Implants: Technique and Applications1. (2010) RadioGraphics. 30 (7): 1975-91. doi:10.1148/rg.307105026 - Pubmed
- 3. James J. Abrahams, Michael W. Hayt, Reuben Rock. Sinus Lift Procedure of the Maxilla in Patients with Inadequate Bone for Dental Implants. (2012) American Journal of Roentgenology. 174 (5): 1289-92. doi:10.2214/ajr.174.5.1741289 - Pubmed