ORAL HEALTH EVIDENCE-BASED PRACTICE PROGRAM
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Title High-Protein Diet Without Increased Calcium Intake Can Lead to Ridge Resorption and Osteoporosis in Women
Clinical Question How does a high protein diet affect ridge resorption in women?
Clinical Bottom Line A high protein diet coupled with a low calcium intake can increase urinary losses of calcium and is linked to osteoporosis and ridge resorption in older women. This is supported by narrative reviews outlining observations of populations who maintain a high protein diet and a narrative review of studies showing the relationship between increased protein intake and increased levels of calcium lost in urine.
Best Evidence (you may view more info by clicking on the PubMed ID link)
PubMed ID Author / Year Patient Group Study type
(level of evidence)
#1) 7699603Faine/1995Adult WomenNarrative Review
Key resultsProtein levels in the diet induce calcium loss from the body that may be compensated by maintaining a high calcium intake in the diet.
#2) 3316605Blank/1987AdultsNarrative Review
Key resultsDietary protein excess was linked to increased levels of calcium in the urine which was then linked to osteoporosis and subsequent ridge resorption in affected individuals.
Evidence Search high protein diet and ridge resorption
Comments on
The Evidence
Validity: This evidence was not a systematic review of randomized controlled trials and did not demonstrate a detailed search for relevant trials that were assessed for validity. There was no mention of a specific number of trials or patients and no meta-analysis was performed. Perspective: Most healthcare professionals tout the benefits of a high-protein diet but may overlook its effects on elderly women who must maintain their calcium levels to prevent bone resorption. These studies bring attention to the matter but further investigation in the form of clinical trials is warranted to provide strong evidence for the concept.
Applicability This information can benefit a practitioner when providing education to a partially or fully edentulous patient who will be maintaining a denture prosthesis that relies on support provided by maxillary and/or mandibular bony ridges.
Specialty/Discipline (General Dentistry) (Prosthodontics)
Keywords ridge resorption, high-protein diet, women
ID# 2893
Date of submission: 03/30/2015spacer
E-mail JosephM3@livemail.uthscsa.edu
Author Maria Joseph
Co-author(s)
Co-author(s) e-mail
Faculty mentor/Co-author Georgiana S. Gross, MPH
Faculty mentor/Co-author e-mail GROSSG@uthscsa.edu
Basic Science Rationale
(Mechanisms that may account for and/or explain the clinical question, i.e. is the answer to the clinical question consistent with basic biological, physical and/or behavioral science principles, laws and research?)
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