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International Journal of Periodontics & Restorative Dentistry
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Int J Periodontics Restorative Dent 37 (2017), No. 6     17. Oct. 2017
Int J Periodontics Restorative Dent 37 (2017), No. 6  (17.10.2017)

Page 834-841, doi:10.11607/prd.3209, PubMed:29023615


The Lip-Tooth-Ridge Classification: A Guidepost for Edentulous Maxillary Arches. Diagnosis, Risk Assessment, and Implant Treatment Indications
Pollini, Adrien / Goldberg, Jack / Mitrani, Ricardo / Morton, Dean
Prosthetic rehabilitation of the edentulous maxilla is known to be challenging and requires meticulous planning. The purpose of this article is to describe a novel classification system, the Lip-Tooth-Ridge (LTR), that offers a guidepost for treatment planning the edentulous maxilla for fixed or removable prostheses. This tool will help clinicians identify the final prosthetic design and will provide a case-specific risk assessment guide regarding two different areas. A high (HER) or low (LER) esthetic risk will be determined based on lip dynamics, as well as a high or low structural risk according to the prosthetic space availability.