Orthognathic surgery is one of the highly specialized part of oral and maxillofacial surgery. It gives right opportunity to every individual to live with well proportional and contoured profile.Aim of study: This study investigate the soft changes following anterior segmental osteotomy on the maxilla in twelve adult patients with ages ranging from 22 to 35 years suffering from dental maxillary protrusion that requires surgical correction by anterior maxillary osteotomy.Materials and methods: Patients were divided into 2 groups of six patients each. Group I was treated using the conventional downfracture technique, and group II using a modified anterior segmental maxillary osteotomy done below the anterior nasal spine back to the palate. For each patient, preoperative and postoperative lateral cephalogram, frontal photographs, and orthodontic casts were taken before and six months after operation to analyze soft tissue changes in terms of magnitude and direction in correlation to hard tissue changes using linear and angular measurements and photogrammetric analysis in the frontal aspect. Results: (1) hard tissue changes were only observed in the maxillary region. Soft tissue mean change included 69.7% backward displacement of the Labrale superius in relation to bone displacement in group I and 64.7% in group II. The mean increase in the naso-labial angle was 9.97 in group I and 14.69 in group II. The nasal tip inclination showed a mean increase by 3.51° on the FH line in group I,and 0.61° in group II revealing no statistically or clinically significant change in both groups though group II showed lesser mean % change in nasal tip inclination. (2) The highest correlation coefficient was obtained between the hard and soft tissue changes in the upper lip region. (3) The horizontal and vertical soft tissue change in the upper lip region was predicted using lateral cephalogram analysis and frontal photogrammetry.Conclusion: The highest Correlation coefficient was obtained between hard and soft tissue changes was in the upper lip region.Through the modified segmental osteotomy technique, the soft tissue to hard tissue changes ratio as indicated by the upper lip backward movement was 64.7% compared to 69.7% using the conventional downfracture technique. Vertical lip length as measured from LS to Sto changed minimally when the modified surgical technique was used. The nasolabial angle was significantly increased by an average of 14.7ↄ in the modified technique, compared to 9.95ↄ in the conventional method, constituting a significant improvement and a satisfactory attainment of esthetic facial profile.Although the nasal change could be kept as small as possible, slight widening of the nasal width and anti-tip rotation of the nasal tip were observed using the two techniques. Though statistically non-significant and clinically unnoticed; the mean change of the nasal tip inclination in the modified technique was lesser than in the downfracture technique.