As natural teeth are lost, many older adults choose softer foods lacking in essential micronutrients and fiber, yet replacing missing teeth alone does not positively influence diet. Dietary intervention in combination with treatment to replace missing teeth is increasing, though understanding of effective intervention components is limited. This systematic review synthesized literature relating to oral rehabilitation coupled with dietary intervention in adults. The primary outcome was dietary intake; secondary outcomes pertained to oral health and dietary intervention characteristics including: theoretical basis and behavior change techniques (BCTs). MEDLINE, Web of Science, PubMed and CENTRAL were searched. Nine studies were included. Study designs were heterogeneous involving 526 participants. Narrative synthesis identified improvements in at least one aspect of participants' oral health (i.e. biting/chewing) alongside at least one positive diet/nutrition outcome post-intervention for all studies. F/V results were pooled for three studies using meta-analysis techniques resulting in a standardized mean difference (SMD) of 0.29 [CI À0.54, 1.12], p ¼ 0.49, but with marked heterogeneity (p ¼ 0.0007). Few interventions were theory-based and intervention components were poorly described. Overall, narrative synthesis indicated support for dietary intervention coupled with oral rehabilitation on diet. Meta-analysis was only possible with three studies highlighting limitations. Large-scale, appropriately described trial methodologies are needed. Trial registry: This review was prospectively registered with PROSPERO on the 11 July 2017 [CRD42017071075].
Objectives: To explore the long-term impact for patients living with an obturator prosthesis, following a maxillectomy for a head and neck neoplasm. Methods: A qualitative approach was employed, using semi-structured interviews. A purposive sample of eight men and four women, living with an obturator prosthesis for at least five years, were recruited. Interviews were digitally recorded and transcribed. Using thematic analysis, two researchers analysed the data. Results: The data were categorised into four themes: 1. Preparedness for living with an obturator, 2. Impact of living with an obturator-what changes to expect, 3. Stability and retention of the obturator, and 4. Coping strategies to aid adjustment. Long-term effects of living with an obturator spanned many aspects of life to include: chewing and eating, speaking, dealing with nasal leakage and altered body image, employment and intimacy issues, along with embarrassment during social encounters. Optimal retention and stability of the obturator, as perceived by the patient, lead to improved social confidence and engagement. The emotional impact varied greatly on peoples' lives. Conclusions: Patients experiencing the greatest long-term challenges had larger defects, were of employment age and had not returned to work. Gaining an improved understanding of the psychology of coping overtime is clearly important, as this can inform interventions to facilitate adjustment for those who are emotionally struggling. Furthermore, the findings of this study could inform the design of a communication tool to facilitate shared-decision making and aid preparedness for living with an obturator following a maxillectomy. Clinical significance: The multidisciplinary head and neck team should provide patients with detailed pre-operative information, including potential effects on social, work and personal relationships. The restorative dentistry team has a pivotal role in the long-term management of these patients, as obturators have a finite lifespan with ongoing maintenance necessary to promote optimal retention and stability.
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