A dental attachment assembly , comprising: a denture attachment housing for securing with a dental appliance, the denture attachment housing having an end wall and a peripheral wall extending from the end wall and having an open end defining an inner cavity, the end wall having a threaded bore ; an abutment configured with an outer opening and a socket extending inward from the outer opening ; and a retention member having opposite first and second ends, a threaded portion at the first end configured for threaded engagement in the threaded bore of the end wall of the denture attachment housing , a shaft extending from the threaded portion. and an enlarged head at the second end which is frictionally detachably attachable with the socket of the abutment to form a frictional fit between the head and the socket and to retain the dental appliance and abutment , wherein the shaft has an enlarged annular flange, positioned at a predetermined spacing below the threaded portion of the retention member , which engages the end wall of the cavity when the threaded portion is fully engaged in the threaded bore , wherein the annular flange extends perpendicular to an axial direction of the shaft and engages an opposing surface of the inner cavity of the denture attachment housing , wherein the peripheral wall of the denture attachment housing has a tapered outer surface which tapers outwards in a direction towards the open end; and a healing cap configured for releasable engagement with the abutment during healing, the healing cap having a first end, a second open end, an outer wall extending from the first end to the second end and configured for engagement over the outer surface of the abutment , and a stem having an enlarged end portion configured for releasable snap engagement in the socket of the abutment , and a processing cap and a waxing cap configured for attachment over the denture attachment housing during processing of a dental appliance. a denture attachment housing for securing with a dental appliance, the denture attachment housing having an end wall and a peripheral wall extending from the end wall and having an open end defining an inner cavity, the end wall having a threaded bore ; an abutment configured with an outer opening and a socket extending inward from the outer opening ; and a retention member having opposite first and second ends, a threaded portion at the first end configured for threaded engagement in the threaded bore of the end wall of the denture attachment housing , a shaft extending from the threaded portion. and an enlarged head at the second end which is frictionally detachably attachable with the socket of the abutment to form a frictional fit between the head and the socket and to retain the dental appliance and abutment , wherein the shaft has an enlarged annular flange, positioned at a predetermined spacing below the threaded portion of the retention member , which engages the end wall of the cavity when the threaded portion is fully engaged in the threaded bore , wherein the annular flange extends perpendicular to an axial direction of the shaft and engages an opposing surface of the inner cavity of the denture attachment housing , wherein the peripheral wall of the denture attachment housing has a tapered outer surface which tapers outwards in a direction towards the open end; and a healing cap configured for releasable engagement with the abutment during healing, the healing cap having a first end, a second open end, an outer wall extending from the first end to the second end and configured for engagement over the outer surface of the abutment , and a stem having an enlarged end portion configured for releasable snap engagement in the socket of the abutment , and a processing cap and a waxing cap configured for attachment over the denture attachment housing during processing of a dental appliance. <EOS>