A first guide member includes a horizontal body portion and a pair of uprightportions. Thehorizontal body portion has an arcuate configuration and includes a firsthorizontal surface, afront surface, a rear surface, and a second horizontal surface. The firsthorizontal surface is flat.The first upright body portion includes a first inwardly extending portion. Afirst engagementsurface of the first inwardly extending portion is configured to rest on aridge of the alveolar archof the patient. The second upright body portion includes a second inwardlyextending portion.A second engagement surface of the second inwardly extending portion isconfigured to rest on aridge of the alveolar arch of the patient. The first guide member lacks acomponent configuredto extend along a lingual or palatal side of the alveolar arch of the patient.
