A seal assembly for use in an engine, such as a scramjet engine, having a movable element, such as inlet cowl flap, is provided. The intraoral sensor comprises a housing, which encloses a detector and electronics and an orientation sensor, which senses orientation of the intraoral sensor at the moment of imaging to provide orientation information. The outer face of each of the tooth faces has a channel formed therein with the depth of the channel progressively decreasing from the outer end of the tooth face towards the inner end thereof. The hologram transmits a portion of the input beam onto an output plane. The collected device measures set is stored into a patient care record for the individual patient within a database server organized to store one or more patient care records.