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Crestal bone loss varied by implant site preparation technique
Prospective study comparing crestal bone loss around dental implants placed with conventional drilling, bone expansion, and ridge split techniques over 12-month follow-up.
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Ice- and peat-rich permafrost degraded gradually on Eboling Ridge
Organic-rich permafrost on China's Qilian Eboling Ridge degrades slowly due to ice-carbon coupling that provides thermal insulation, reducing climate sensitivity compared to mineral-dominated regions.