title: [A recent observation of clinical effects by combined application of lanthanum,cerium and fluoride-contained gel on root surface caries]
abstract: OBJECTIVE:The present study was to investigate the effects of combined application of lanthanum,cerium and fluoride-contained gel on root surface caries.METHODS:2000ppm lanthanum.cerium and fluoride-contained gels were used by various procedures to treat 164 teeth with root surface caries.RESULTS:The six months follow-up data revealed that combined procedure showed a better effect than each kind of trace element used alone.CONCLUSION:The study indicated that combined F/La(Ce) applying procedure has a potential value on the carious  resisted root surface.
authors.affiliation: Department of Oral Medicine,School of Stomatology,Shanghai Second Medical University. Shanghai 200011,China.
authors.forename: Y H
authors.initials: YH
authors.lastname: Pan
authors.forename: N
authors.initials: N
authors.lastname: Yi