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20 CASE STUDY With non-conditioned enamel surfaces, it is very easy that the plastic parts of the lay- erings are firstly levered out with a blunt instrument in the undercut area of the clasps. Then at least the mesial clasps can be easily levered from the tooth. Axial ro- tation of the bridge at the pontic using a Luer bone rongeur generally loosens the entire bridge (Figs. 22, 23, 24 and 25) . After removing the Maryland bridge, the clasps are blasted, silanized (metal primer/ GC) and the bridge is brought into posi- tion again with a compomer. The labial composite tab is then esthetically complet- ed and following UV curing finished Summary Fixed temporaries are a high grade restoration for the patient without functional impairment. Natural teeth, freely shaped composite teeth or metal- reinforced bonded bridges can be temporarily integrated with the use of little resources. The crucial factor in implantological practice is the possibility of fast, uncomplicated, multiple removal and reintegration of the same construction without time-consuming reworking. This is easy to achieve with the appropriate construction and procedure and leads to a high degree of satisfaction on behalf of patients and practitioners alike. Fig. 18: A milled composite extension bridge serves to replace the posterior teeth 5 and 6. Fig. 24: After the surgical procedure the bridge is integrated again. Fig. 19: The lower jaw is prepared to accept the therapeutic bridge for changing the bite. Fig. 25: The clasp arm of the temporary Maryland bridge is veneered and finished after UV curing. Fig. 20: The bonded bridge for bite raising and temporary restoration offers the patient sufficient comfort.