الفهرس 
CONTENTSOnly 14 pages are availabe for public view
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Abstract
The impact of Intercom unit with cordon- lingual arm to maintain the alveolar bone around the teethand Altsenah in cases Filah the rear extension .
Different designs to cordon arm lingual use with Intercom unit supplied to the lower partial crews sprawl background on the change in the height of the bones back for partial Tsenama and about teeth الدعامية .
The individuals were divided into four equal groups according to the type growers Banding Alseny accompanying Intercom unit to the lower partial crews to the following :
Group A: members dressed in partial crews equipped with Intercom unit and cordon- lingual arm similar to the high clamp arm that surrounds and bumper one year (not extended ) .
Group II: members wearing partial crews equipped with Intercom unit and growers Banding San equal in height to the Intercom unit which surrounds and bumper one year (not extended ) .
Group III: members dressed in partial crews equipped with Intercom unit and cordon growers tongue similar to rising clamp growers and extended so that it surrounds two years Daametin .
Group D: members wearing partial crews equipped with Intercom unit and growers cordon Allsanallmsawi in high Intercom unit extended so that it surrounds after two years Daametin.