Hu Junhui,president of Tianfu Association(Singapore)and recipient of the Public Service Medal(PBM),has been leading community efforts to help new Chinese immigrants integrate into Singaporean society.Originally from H...Hu Junhui,president of Tianfu Association(Singapore)and recipient of the Public Service Medal(PBM),has been leading community efforts to help new Chinese immigrants integrate into Singaporean society.Originally from Hebei Province in China,Hu arrived in Singapore in 1994 as one of the first technical professionals dispatched by China.Since then,he has built a life and career firmly rooted in Singapore.Over more than four years at China Construction(South Pacific)Development Co Pte Ltd,he rose through the ranks from project engineer to site manager and eventually project director.In 1999,he left the company to start his own business,setting up a construction firm with several partners.His focus shifted to real estate in 2007,when he co-founded JVA Venture Pte Ltd.展开更多
During orthodontic treatment,we can achieve differential movements by using photobiomodulation(PBM)as an adjuvant before applying force.We can expect a greater bone density that initially resists movement while applyi...During orthodontic treatment,we can achieve differential movements by using photobiomodulation(PBM)as an adjuvant before applying force.We can expect a greater bone density that initially resists movement while applying PBM to the other teeth to achieve an accelerating effect.The proposed protocol is to use an 810 nm laser at 0.1W power,applying between 4 and 6J per tooth for 22 s on the vestibular and lingual root surfaces,following the axial axis of the tooth.The energy density depends on the tip selected in the instrument.Normal bone remodeling cannot be avoided by applying high doses of PBM.PBM should be applied before orthodontic force to reduce tooth movement.In addition,PBM can be used during force application to teeth that require acceleration to achieve differential movement in orthodontic treatments.The protocol is the same in both scenarios.展开更多
文摘Hu Junhui,president of Tianfu Association(Singapore)and recipient of the Public Service Medal(PBM),has been leading community efforts to help new Chinese immigrants integrate into Singaporean society.Originally from Hebei Province in China,Hu arrived in Singapore in 1994 as one of the first technical professionals dispatched by China.Since then,he has built a life and career firmly rooted in Singapore.Over more than four years at China Construction(South Pacific)Development Co Pte Ltd,he rose through the ranks from project engineer to site manager and eventually project director.In 1999,he left the company to start his own business,setting up a construction firm with several partners.His focus shifted to real estate in 2007,when he co-founded JVA Venture Pte Ltd.
文摘During orthodontic treatment,we can achieve differential movements by using photobiomodulation(PBM)as an adjuvant before applying force.We can expect a greater bone density that initially resists movement while applying PBM to the other teeth to achieve an accelerating effect.The proposed protocol is to use an 810 nm laser at 0.1W power,applying between 4 and 6J per tooth for 22 s on the vestibular and lingual root surfaces,following the axial axis of the tooth.The energy density depends on the tip selected in the instrument.Normal bone remodeling cannot be avoided by applying high doses of PBM.PBM should be applied before orthodontic force to reduce tooth movement.In addition,PBM can be used during force application to teeth that require acceleration to achieve differential movement in orthodontic treatments.The protocol is the same in both scenarios.
