Guided bone regeneration (GBR) has become a clinically standard modality for the treatment of localized jawbone defects. Barrier membranes play an important role in this process by preventing soft tissue invasion outgoing from the mucosa and creating an underlying space to support bone growth. Different membrane types provide different biological mechanisms due to their different origins, preparation methods and structures. Among them, collagen membranes have attracted great interest due to their excellent biological properties and desired bone regeneration results to non-absorbable membranes even without a second surgery for removal. This work provides a comparative summary of common barrier membranes used in GBR, focusing on recent advances in collagen membranes and their biological mechanisms. In conclusion, the review article highlights the biological and regenerative properties of currently available barrier membranes with a particular focus on bioresorbable collagen-based materials. In addition, the advantages and disadvantages of these biomaterials are highlighted, and possible improvements for future material developments are summarized.

Utilizing a unique question on subjective financial satisfaction from the National Financial Capability Study, the goal of this research was to examine the demographic, socioeconomic, and behavioral determinants of financial satisfaction and the moderating roles of gender and marital status in these associations. Results from the ordered logistic regressions indicated that single women and divorcees of both genders reported significantly lower financial satisfaction than married counterparts and that widowed men were generally better off than married men. After documenting large adverse effects of divorce on reports of financial satisfaction, the gaps in financial satisfaction between married and divorced individuals were measured and compared by gender. Results are expected to help individuals, households, and financial professionals understand the perceived financial satisfaction effects of marital decisions.

This study examines the roles of internal and external search characteristics and attitudinal factors in investors' decisions to utilize robo-advisor-based platforms. Using the 2015 state-by-state National Financial Capability Study and Investor Survey, this study finds that the need to free up time, higher risk tolerance, higher subjective financial knowledge, and higher amounts of investable assets were positively associated with individual investors' adoption of robo-advisors. Additionally, the results from the interaction model indicates that individuals under 65 with a higher risk tolerance and greater perceived investment knowledge were more likely to use robo-advisors. Implications of the key findings for scholars, practitioners, and industry leaders are included.

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